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Proceedings of the
International Ocean Discovery Program

Volume 376
Brothers Arc Flux

Expedition 376 of the R/V JOIDES Resolution
from and to Auckland, New Zealand
Sites U1527–U1531
5 May–5 July 2018

Volume authorship
de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., and the Expedition 376 Scientists

Published by
International Ocean Discovery Program


Publisher’s notes

This publication was prepared by the JOIDES Resolution Science Operator (JRSO) at Texas A&M University (TAMU) as an account of work performed under the International Ocean Discovery Program (IODP). Funding for IODP is provided by the following international partners:

  • National Science Foundation (NSF), United States
  • Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
  • European Consortium for Ocean Research Drilling (ECORD)
  • Ministry of Science and Technology (MOST), People’s Republic of China
  • Korea Institute of Geoscience and Mineral Resources (KIGAM)
  • Australia-New Zealand IODP Consortium (ANZIC)
  • Ministry of Earth Sciences (MoES), India
  • Coordination for Improvement of Higher Education Personnel (CAPES), Brazil

Any opinions, findings, and conclusions or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the participating agencies, TAMU, or Texas A&M Research Foundation.

The bulk of the shipboard-collected core data from this expedition is accessible at https://zenodo.org/communities/iodp (see list of available datasets in Zenodo). If you cannot access this site or need additional data, please contact Data Librarian, International Ocean Discovery Program JOIDES Resolution Science Operator, at database@iodp.tamu.edu.

A complete set of the logging data collected during the expedition is available at http://mlp.ldeo.columbia.edu/logdb/scientific_ocean_drilling. If you have problems downloading the data, wish to receive additional logging data, or have questions regarding the data, please contact Database Administrator, Borehole Research Group, Lamont-Doherty Earth Observatory of Columbia University, PO Box 1000, 61 Route 9W, Palisades NY 10964, USA. Tel: (845) 365-8343; Fax: (845) 365-3182; Email: logdb@ldeo.columbia.edu.

Supplemental data were provided by the authors and may not conform to IODP publication formats.

JRSO expedition photos are the property of IODP and are public access.

Some core photographs have been tonally enhanced to better illustrate particular features of interest. High-resolution images are available upon request.

Cover photograph shows (left) false color image of Brothers volcano using high-resolution (~2 m) autonomous underwater vehicle–derived (~25 m) bathymetry overlain on surface ship–derived bathymetry. View is to the northwest with Upper Cone and flank Lower Cone in the foreground and NW Caldera walls and caldera rim in the background. Image created in Fledermaus by S.G. Merle (National Oceanic and Atmospheric Administration/Pacific Marine Environmental Laboratory). Right: drill string recovered from Hole U1528D. Very acidic, corrosive fluids with high concentrations of H2S contributed to the corrosion/embrittlement of the pipe (length of crack = 1.4 m), ultimately leading to failure and loss of the bottom-hole assembly. Photo credit: Stephen Midgley, IODP JRSO.

Copyright

Except where otherwise noted, this work is licensed under the Creative Commons Attribution 4.0 International (CC BY 4.0) license (https://creativecommons.org/​licenses/by/4.0/). Unrestricted use, distribution, and reproduction are permitted, provided the original author and source are credited.

Examples of how to cite this volume or part of this volume are available at http://publications.iodp.org/proceedings/376/376title.html#bib.

ISSN

World Wide Web: 2377-3189

Volume DOI

https://doi.org/10.14379/iodp.proc.376.2019

Publication date

5 July 2019


Contents

Expedition reports

Chapters

Expedition 376 summary
C.E.J. de Ronde et al.
HTML PDF Download figures Download tables Cited by

Expedition 376 methods
C.E.J. de Ronde et al.
HTML PDF Download figures Download tables Cited by

Site U1527
C.E.J. de Ronde et al.
HTML PDF Download figures Download tables Cited by

Site U1528
C.E.J. de Ronde et al.
HTML PDF Download figures Download tables Cited by

Site U1529
C.E.J. de Ronde et al.
HTML PDF Download figures Download tables Cited by

Site U1530
C.E.J. de Ronde et al.
HTML PDF Download figures Download tables Cited by

Site U1531
C.E.J. de Ronde et al.
HTML PDF Download figures Download tables Cited by

Core descriptions

Visual core descriptions (VCDs) are presented in PDF files for each site. Smear slides and/or thin sections are presented in PDF and/or CSV files for each site and/or hole (CSV files are available in the CORES directory). The entire set of core images in PDF is available in the IMAGES directory.

Site U1527
Visual core descriptions · Smear slides · Thin sections

Site U1528
Visual core descriptions · Smear slides · Thin sections

Site U1529
Visual core descriptions · Smear slides · Thin sections

Site U1530
Visual core descriptions · Smear slides · Thin sections

Site U1531
Visual core descriptions · Smear slides · Thin sections

Supplementary material

Supplementary material for the Volume 376 expedition reports includes DESClogik workbooks in Microsoft Excel format. A full list of directories can be found in SUPP_MAT in the volume zip folder or on the Supplementary material for Volume 376 expedition reports web page.

Expedition research results

Data reports

Data report: in situ elastic properties of hydrothermally altered volcanic rocks, IODP Expedition 376, Brothers volcano, Kermadec arc
Ludmila Adam and Cécile Massiot
HTML PDF Download figures Download table Supplementary material Cited by

Drilling location maps

A site map showing the drilling locations for this expedition and maps showing the drilling locations of all International Ocean Discovery Program (IODP) expeditions, produced using QGIS (http://www.qgis.org), and all Integrated Ocean Drilling Program, Ocean Drilling Program (ODP), and Deep Sea Drilling Project (DSDP) expeditions, produced using Generic Mapping Tools (GMT) of Paul Wessel and Walter H.F. Smith (http://gmt.soest.hawaii.edu), are available in PDF.


Acknowledgments

This research used samples and data provided by the International Ocean Discovery Program (IODP). We sincerely thank the IODP Technical Support staff and the R/V JOIDES Resolution crew for their invaluable support, dedication, and perseverance during what was a challenging expedition. Their proficiency and determination were outstanding. We greatly appreciate the skill and tremendous efforts of the entire drilling crew to recover complex rock material within a technically demanding subseafloor environment. The qualified guidance of both Operations Superintendent Stephen Midgley (IODP JOIDES Resolution Science Operator [JRSO]) and Drilling Supervisor Sam McLelland (Siem Offshore) was crucial. The expedition’s success was also supported by the IODP Environmental Protection and Safety Panel and by the Ministry of Foreign Affairs and Trade and the Environmental Protection Authority of New Zealand, who approved a change in our drilling targets during the expedition with limited notice. Support from GNS Science (Te Pū Ao) during the pre-expedition clearance process is gratefully acknowledged. We appreciate the collaboration with MB Century/Century Drilling & Energy Services (NZ) Limited (New Zealand) and Petrospec Engineering Ltd. (Canada) and thank them for providing time, guidance, and expertise and making their downhole tools available to us. Their support significantly contributed to the success of the expedition. We thank JRSO Publications Services at the IODP JRSO at Texas A&M University for their help with the publication of this volume.


Foreword

The International Ocean Discovery Program (IODP) represents the latest incarnation of almost five decades of scientific ocean drilling excellence and is generally accepted as the most successful international collaboration in the history of the Earth sciences. IODP builds seamlessly on the accomplishments of previous phases: the Deep Sea Drilling Project, Ocean Drilling Program, and Integrated Ocean Drilling Program. The 2013–2023 IODP Science Plan (Illuminating Earth’s Past, Present, and Future) defines four themes and thirteen challenges for this decade of scientific ocean drilling that are both of fundamental importance in understanding how the Earth works and of significant relevance to society as the Earth changes, at least in part in response to anthropogenic forcing. This phase of IODP represents a renewed level of international collaboration in bringing diverse drilling platforms and strategies to increasing our understanding of climate and ocean change, the deep biosphere and evolution of ecosystems, connections between Earth’s deep processes and surface manifestations, and geologically induced hazards on human timeframes.

The Proceedings of the International Ocean Discovery Program presents the scientific and engineering results of IODP drilling projects, expedition by expedition. As in the preceding Integrated Ocean Drilling Program, expeditions in the new IODP are conducted by three implementing organizations, each providing a different drilling capability. These are the US Implementing Organization (USIO; through September 2014) and the JOIDES Resolution Science Operator (JRSO; as of October 2014), providing the leased commercial vessel JOIDES Resolution for riserless drilling operations; JAMSTEC’s Center for Deep Earth Exploration (CDEX), providing the drillship Chikyu for riser and occasional riserless operations; and the European Consortium for Ocean Research Drilling (ECORD) Science Operator (ESO), providing “mission-specific” platforms (MSPs) for expeditions that extend the IODP operational range where neither drillship is suitable, for example, in polar environments and in shallow waters. Scheduling decisions for each capability are made by three independent Facility Boards, each of which includes scientists, operators, and platform funding partners: the JOIDES Resolution Facility Board (JRFB), Chikyu IODP Board (CIB), and ECORD Facility Board (EFB). At the beginning of the new IODP, the three Facility Boards agreed to utilize Publication Services at the USIO and now the JRSO for production of all expedition Proceedings volumes and reports.

The new IODP differs from prior scientific ocean drilling programs in that it has neither a central management organization nor commingled funding for program-wide activities. Yet this phase of IODP retains a fundamental integrative structural element: a “bottom-up” evaluation of all proposals for drilling expeditions by a single advisory structure composed of scientists representing all international program partners. International scientists may submit drilling proposals to the Science Support Office; all submitted proposals are then evaluated by a Science Evaluation Panel in the context of the Science Plan.

The new IODP also has a second internationally integrative level for high-level discussion and consensus-building: the IODP Forum. The Forum is charged with assessing program-wide progress toward achieving the Science Plan. At present, IODP involves 26 international financial partners, including the United States, Japan, an Australia/New Zealand consortium (ANZIC), Brazil, China, India, South Korea, and the eighteen members of ECORD (Austria, Belgium, Canada, Denmark, Finland, France, Germany, Ireland, Israel, Italy, the Netherlands, Norway, Poland, Portugal, Spain, Sweden, Switzerland, and the United Kingdom). This enhanced membership in the new IODP represents a remarkable level of international collaboration that remains one of the greatest ongoing strengths of scientific ocean drilling.

James A. Austin Jr.
Chair, IODP Forum


Reviewers for this volume

Pending.


International Ocean Discovery Program

JOIDES Resolution Science Operator

Website: http://iodp.tamu.edu

IODP JRSO

International Ocean Discovery Program

Texas A&M University

1000 Discovery Drive

College Station TX 77845-9547

USA

Tel: (979) 845-2673; Fax: (979) 845-4857

Email: information@iodp.tamu.edu

IODP JRSO Curation and Laboratories

IODP Gulf Coast Repository (GCR)

Texas A&M University

1000 Discovery Drive

College Station TX 77845-9547

USA

Tel: (979) 845-8490; Fax: (979) 845-1303

Email: rumford@iodp.tamu.edu

European Consortium for Ocean Research Drilling, Science Operator (ESO)

Website: http://www.ecord.org

IODP ESO Coordinator: Science, Logistics, and Operations

British Geological Survey

The Lyell Centre

Research Avenue South

Edinburgh EH14 4AP

United Kingdom

Tel: (44) 131-667-1000; Fax: (44) 131-668-4140

Email: eso@bgs.ac.uk

IODP ESO Petrophysics

European Petrophysics Consortium

Department of Geology

University of Leicester

Leicester LE1 7RH

United Kingdom

Tel: (44) 116-252-3611; Fax: (44) 116-252-3918

Email: sjd27@leicester.ac.uk

IODP ESO Curation and Laboratories

IODP Bremen Core Repository (BCR)

Center for Marine Environmental Sciences (MARUM)

University of Bremen

Leobener Strasse

28359 Bremen

Germany

Tel: (49) 421-218-65560; Fax: (49) 421-218-98-65560

Email: bcr@marum.de

Japan Agency for Marine-Earth Science and Technology (JAMSTEC)

Website: http://www.jamstec.go.jp/chikyu/e

IODP Japan Science Operator

Center for Deep Earth Exploration (CDEX)

Japan Agency for Marine-Earth Science and Technology

Yokohama Institute for Earth Sciences

3175-25 Showa-machi

Kanazawa-ku, Yokohama

Kanagawa 236-0001

Japan

Tel: (81) 45-778-5643; Fax: (81) 45-778-5704

Email: cdex@jamstec.go.jp

IODP Japan Curation and Laboratories

IODP Kochi Institute for Core Sample Research (KCC)

Japan Agency for Marine-Earth Science and Technology

200 Monobe Otsu

3175-25 Showa-machi

Nankoku City, Kochi 783-8502

Japan

Tel: (81) 88-864-6705; Fax: (81) 88-878-2192

Email: kcc.contact@jamstec.go.jp


Expedition 376 participants*

Expedition 376 scientists

Cornel E.J. de Ronde

Co-Chief Scientist

Department of Marine Geoscience

GNS Science

New Zealand

cornel.deronde@gns.cri.nz

Susan E. Humphris

Co-Chief Scientist

Department of Geology and Geophysics

Woods Hole Oceanographic Institution

USA

shumphris@whoi.edu

Tobias W. Höfig

Expedition Project Manager/Staff Scientist

International Ocean Discovery Program

Texas A&M University

USA

hoefig@iodp.tamu.edu

Philipp A. Brandl

Igneous Petrologist

Dynamics of the Ocean Floor

Helmholtz Centre for Ocean Research Kiel

Germany

pbrandl@geomar.de

Lanlan Cai

Microbiologist

State Key Laboratory of Marine Environmental Science

Institute of Marine Microbes and Ecospheres

Xiamen University (Xiang’an campus)

China

lanlancai@xmu.edu.cn

Yuanfeng Cai

Alteration Mineralogist

State Key Laboratory of Mineral Deposit Research

School of Earth Sciences and Engineering

Nanjing University

China

caiyf@nju.edu.cn

Fabio Caratori Tontini

Paleomagnetist

Department of Marine Geoscience

GNS Science

New Zealand

f.caratori.tontini@gns.cri.nz

Present affiliation (6 August 2021)

Dipartimento di scienze della terra, dell'ambiente e della vita (DISTAV)

Scuola di Scienze Matematiche, Fisiche e Naturali

Università degli Studi di Genova

Italy

fabio.caratori.tontini@unige.it

Jeremy R. Deans

Structural Geologist

Department of Geography and Geology

University of Southern Mississippi

USA

jeremy.deans@usm.edu

Aida Farough

Physical Properties Specialist/Petrophysics

Department of Geology

Kansas State University

USA

aida.farough@gmail.com

John W. Jamieson

Alteration Mineralogist

Department of Earth Sciences

Memorial University of Newfoundland

Canada

jjamieson@mun.ca

Kannikha P. Kolandaivelu

Physical Properties Specialist/Downhole Measurements

Department of Geosciences

Virginia Polytechnic Institute and State University

USA

kannikha@vt.edu

Anna Kutovaya

Organic Geochemist

Institute of Geology and Geochemistry of Petroleum and Coal

RWTH Aachen University

Germany

ann.kutovaya@gmail.com

Jessica M. Labonté

Microbiologist

Department of Marine Biology

Texas A&M University at Galveston

USA

labontej@tamug.edu

Andrew J. Martin

Alteration Mineralogist

School of Earth and Ocean Sciences

Cardiff University

United Kingdom

martinaj4@cardiff.ac.uk

Cécile Massiot

Physical Properties Specialist/Downhole Measurements

Department of Geothermal Sciences

GNS Science

New Zealand

c.massiot@gns.cri.nz

Jill M. McDermott

Fluid Geochemist

Department of Earth and Environmental Sciences

Lehigh University

USA

jill.mcdermott@lehigh.edu

Iona M. McIntosh

Physical Properties Specialist/Petrophysics

Department for Solid Earth Geochemistry

Japan Agency for Marine-Earth Science and Technology (JAMSTEC)

Japan

i.m.mcintosh@jamstec.go.jp

Tatsuo Nozaki

Sulfide Petrologist

Research and Development Center for Submarine Resources

Japan Agency for Marine-Earth Science and Technology (JAMSTEC)

Japan

nozaki@jamstec.go.jp

Vivian H. Pellizari

Microbiologist

Instituto Oceanográfico

Universidade de São Paulo

Brazil

vivianp@usp.br

Agnes G. Reyes

Physical Properties Specialist/Downhole Measurements

Department of Marine Geoscience

GNS Science

New Zealand

a.reyes@gns.cri.nz

Stephen Roberts

Alteration Mineralogist

School of Ocean and Earth Science, National Oceanography Centre Southampton

University of Southampton

United Kingdom

steve.roberts@noc.soton.ac.uk

Olivier Rouxel

Inorganic Geochemist

Department of Oceanography/SOEST

University of Hawaii at Manoa

USA

Present affiliation (01 February 2019):

IFREMER - Centre de Brest

Technopole Brest-Iroise

France

olivier.rouxel@ifremer.fr

Lucy E.M. Schlicht

Metamorphic Petrologist

Department of Geosciences

University of Bremen

Germany

lucy.schlicht@uni-bremen.de

Jung Hun Seo

Volcanologist

Department of Energy and Resource Engineering

Inha University

Republic of Korea

seo@inha.ac.kr

Susanne M. Straub

Volcanologist

Lamont-Doherty Earth Observatory

Columbia University

USA

smstraub@ldeo.columbia.edu

Karen Strehlow

Sedimentologist

Dynamics of the Ocean Floor

Helmholtz Centre for Ocean Research Kiel

Germany

kstrehlow@geomar.de

Ken Takai

Microbiologist

Department of Subsurface Geobiological Analysis and Research (D-SUGAR)

Japan Agency for Marine-Earth Science and Technology (JAMSTEC)

Japan

kent@jamstec.go.jp

Dominique Tanner

Igneous Petrologist

School of Earth and Environmental Sciences

University of Wollongong

Australia

dtanner@uow.edu.au

Frank J. Tepley III

Igneous Petrologist

College of Earth, Ocean, and Atmospheric Sciences

Oregon State University

USA

ftepley@coas.oregonstate.edu

Chao Zhang

Alteration Mineralogist

Institute of Mineralogy

Leibniz University of Hannover

Germany

c.zhang@mineralogie.uni-hannover.de

Education and outreach

Peregrin (Perry) A. Hyde

Education/Outreach Officer

Museum of New Zealand Te Papa Tongarewa

New Zealand

perry_hyde@hotmail.com

Tammy J. Orilio

Education/Outreach Officer

Stoneman Douglas High School

USA

tammyorilio@gmail.com

*Affiliations at time of expedition, except where updated by participants.

Operational and technical staff

Siem Offshore AS officials

Terry Skinner

Master of the Drilling Vessel

Sam McLelland

Drilling Supervisor

JRSO shipboard personnel and technical representatives

Alexis Armstrong

X-Ray Laboratory

Heather Barnes

Assistant Laboratory Officer

Inva Braha

Curatorial Specialist

Michael Cannon

Marine Computer Specialist

Etienne Claassen

Marine Instrumentation Specialist

William Crawford

Senior Imaging Specialist

Douglas Cummings

Publications Specialist

David Fackler

Applications Developer

Dean Ferrell

Engineer

Seth Frank

Thin Section Laboratory

Sheryl Frazier

Physical Properties Laboratory

Edwin Garrett

Paleomagnetism Laboratory

Jon Howell

Applications Developer

Jan Jurie Kotze

Marine Laboratory Specialist (temporary)

Jurie Kotze

Marine Instrumentation Specialist

Zenon Mateo

Underway Geophysics Laboratory

Stephen Midgley

Operations Superintendent

William Mills

Laboratory Officer

Erik Moortgat

Chemistry Laboratory

Vincent Percuoco

Chemistry Laboratory

Cameron Ramsey

Core Laboratory

Jose Saenz, Jr.

Engineer

Mackenzie Schoemann

Marine Laboratory Specialist (temporary)

Kerry Swain

Logging Engineer

Steven Thomas

Marine Computer Specialist

CDEX consulting engineers

Yuichi Shimmoto

Engineer

Yasuyuki Yamazaki

Engineer

IODP Publication Services staff*

Douglas Cummings

Graphics Specialist II

Gudelia (“Gigi”) Delgado

Publications Coordinator

Ekanta Desai

Graphics Specialist II

Patrick H. Edwards

Production Editor IV

Jaime A. Gracia

Supervisor of Production and Graphics

Jenni Hesse

Editor IV

Rhonda Kappler

Graphics Specialist IV

Shana C. Lewis

Editor III

Ginny Lowe

Reports Coordinator

Amy McWilliams

Supervisor of Editing

Julie Myers

Production Editor II

Lorri Peters

Manager of Publication Services

Kenneth Sherar

Production Editor III

Alyssa Stephens

Graphics Specialist III

Crystal Wolfe

Production Editor III

Jean Wulfson

Graphics Specialist III

Ann Yeager

Distribution Specialist

*At time of publication.

Expedition-related bibliography*

Citation data for IODP publications and journal articles in RIS format

IODP publications

Scientific Prospectus

de Ronde, C.E.J., Humphris, S.E., and Höfig, T.W., 2017. Expedition 376 Scientific Prospectus: Brothers Arc Flux. International Ocean Discovery Program. https://doi.org/10.14379/iodp.sp.376.2017

Preliminary Report

de Ronde, C.E.J., Humphris, S.E., and Höfig, T.W., and the Expedition 376 Scientists, 2019. Expedition 376 Preliminary Report: Brothers Arc Flux. International Ocean Discovery Program. https://doi.org/10.14379/iodp.pr.376.2019

Proceedings volume

de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., and the Expedition 376 Scientists, 2019. Brothers Arc Flux. Proceedings of the International Ocean Discovery Program, 376: College Station, TX (International Ocean Discovery Program). https://doi.org/10.14379/iodp.proc.376.2019

Expedition reports

de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., Brandl, P.A., Cai, L., Cai, Y., Caratori Tontini, F., Deans, J.R., Farough, A., Jamieson, J.W., Kolandaivelu, K.P., Kutovaya, A., Labonté, J.M., Martin, A.J., Massiot, C., McDermott, J.M., McIntosh, I.M., Nozaki, T., Pellizari, V.H., Reyes, A.G., Roberts, S., Rouxel, O., Schlicht, L.E.M., Seo, J.H., Straub, S.M., Strehlow, K., Takai, K., Tanner, D., Tepley III, F.J., and Zhang, C., 2019. Expedition 376 summary. In de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., and the Expedition 376 Scientists, Brothers Arc Flux. Proceedings of the International Ocean Discovery Program, 376: College Station, TX (International Ocean Discovery Program). https://doi.org/10.14379/iodp.proc.376.101.2019

de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., Brandl, P.A., Cai, L., Cai, Y., Caratori Tontini, F., Deans, J.R., Farough, A., Jamieson, J.W., Kolandaivelu, K.P., Kutovaya, A., Labonté, J.M., Martin, A.J., Massiot, C., McDermott, J.M., McIntosh, I.M., Nozaki, T., Pellizari, V.H., Reyes, A.G., Roberts, S., Rouxel, O., Schlicht, L.E.M., Seo, J.H., Straub, S.M., Strehlow, K., Takai, K., Tanner, D., Tepley III, F.J., and Zhang, C., 2019. Expedition 376 methods. In de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., and the Expedition 376 Scientists, Brothers Arc Flux. Proceedings of the International Ocean Discovery Program, 376: College Station, TX (International Ocean Discovery Program). https://doi.org/10.14379/iodp.proc.376.102.2019

de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., Brandl, P.A., Cai, L., Cai, Y., Caratori Tontini, F., Deans, J.R., Farough, A., Jamieson, J.W., Kolandaivelu, K.P., Kutovaya, A., Labonté, J.M., Martin, A.J., Massiot, C., McDermott, J.M., McIntosh, I.M., Nozaki, T., Pellizari, V.H., Reyes, A.G., Roberts, S., Rouxel, O., Schlicht, L.E.M., Seo, J.H., Straub, S.M., Strehlow, K., Takai, K., Tanner, D., Tepley III, F.J., and Zhang, C., 2019. Site U1527. In de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., and the Expedition 376 Scientists, Brothers Arc Flux. Proceedings of the International Ocean Discovery Program, 376: College Station, TX (International Ocean Discovery Program). https://doi.org/10.14379/iodp.proc.376.103.2019

de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., Brandl, P.A., Cai, L., Cai, Y., Caratori Tontini, F., Deans, J.R., Farough, A., Jamieson, J.W., Kolandaivelu, K.P., Kutovaya, A., Labonté, J.M., Martin, A.J., Massiot, C., McDermott, J.M., McIntosh, I.M., Nozaki, T., Pellizari, V.H., Reyes, A.G., Roberts, S., Rouxel, O., Schlicht, L.E.M., Seo, J.H., Straub, S.M., Strehlow, K., Takai, K., Tanner, D., Tepley III, F.J., and Zhang, C., 2019. Site U1528. In de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., and the Expedition 376 Scientists, Brothers Arc Flux. Proceedings of the International Ocean Discovery Program, 376: College Station, TX (International Ocean Discovery Program). https://doi.org/10.14379/iodp.proc.376.104.2019

de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., Brandl, P.A., Cai, L., Cai, Y., Caratori Tontini, F., Deans, J.R., Farough, A., Jamieson, J.W., Kolandaivelu, K.P., Kutovaya, A., Labonté, J.M., Martin, A.J., Massiot, C., McDermott, J.M., McIntosh, I.M., Nozaki, T., Pellizari, V.H., Reyes, A.G., Roberts, S., Rouxel, O., Schlicht, L.E.M., Seo, J.H., Straub, S.M., Strehlow, K., Takai, K., Tanner, D., Tepley III, F.J., and Zhang, C., 2019. Site U1529. In de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., and the Expedition 376 Scientists, Brothers Arc Flux. Proceedings of the International Ocean Discovery Program, 376: College Station, TX (International Ocean Discovery Program). https://doi.org/10.14379/iodp.proc.376.105.2019

de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., Brandl, P.A., Cai, L., Cai, Y., Caratori Tontini, F., Deans, J.R., Farough, A., Jamieson, J.W., Kolandaivelu, K.P., Kutovaya, A., Labonté, J.M., Martin, A.J., Massiot, C., McDermott, J.M., McIntosh, I.M., Nozaki, T., Pellizari, V.H., Reyes, A.G., Roberts, S., Rouxel, O., Schlicht, L.E.M., Seo, J.H., Straub, S.M., Strehlow, K., Takai, K., Tanner, D., Tepley III, F.J., and Zhang, C., 2019. Site U1530. In de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., and the Expedition 376 Scientists, Brothers Arc Flux. Proceedings of the International Ocean Discovery Program, 376: College Station, TX (International Ocean Discovery Program). https://doi.org/10.14379/iodp.proc.376.106.2019

de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., Brandl, P.A., Cai, L., Cai, Y., Caratori Tontini, F., Deans, J.R., Farough, A., Jamieson, J.W., Kolandaivelu, K.P., Kutovaya, A., Labonté, J.M., Martin, A.J., Massiot, C., McDermott, J.M., McIntosh, I.M., Nozaki, T., Pellizari, V.H., Reyes, A.G., Roberts, S., Rouxel, O., Schlicht, L.E.M., Seo, J.H., Straub, S.M., Strehlow, K., Takai, K., Tanner, D., Tepley III, F.J., and Zhang, C., 2019. Site U1531. In de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., and the Expedition 376 Scientists, Brothers Arc Flux. Proceedings of the International Ocean Discovery Program, 376: College Station, TX (International Ocean Discovery Program). https://doi.org/10.14379/iodp.proc.376.107.2019

Supplementary material

de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., and the Expedition 376 Scientists, 2019. Supplementary material, https://doi.org/10.14379/iodp.proc.376supp.2019. Supplement to de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., and the Expedition 376 Scientists, Brothers Arc Flux. Proceedings of the International Ocean Discovery Program, 376: College Station, TX (International Ocean Discovery Program). https://doi.org/10.14379/iodp.proc.376.2019

Expedition research results

Adam, L., and Massiot, C., 2022. Data report: in situ elastic properties of hydrothermally altered volcanic rocks, IODP Expedition 376, Brothers volcano, Kermadec arc. In de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., and the Expedition 376 Scientists, Brothers Arc Flux. Proceedings of the International Ocean Discovery Program, 376: College Station, TX (International Ocean Discovery Program). https://doi.org/10.14379/iodp.proc.376.201.2022

Journals/Books

Atnip, R., 2023. Hydrothermal fluid transport pathways along fractures and veins at Brothers volcano, souther Kermadec arc [MS thesis]. The University of Southern Mississippi, Hattiesburg, MS. https://aquila.usm.edu/masters_theses/975

Brandl, P.A., Portnyagin, M., Zeppenfeld, H., Tepley, F.J., III, de Ronde, C.E.J., Timm, C., Hauff, F., Garbe-Schönberg, D., and Bousquet, R., 2022. The origin of magmas and metals at the submarine Brothers Volcano, Kermadec Arc, New Zealand. Economic Geology. https://doi.org/10.5382/econgeo.4973

Caratori Tontini, F., Tivey, M.A., de Ronde, C.E.J., and Humphris, S.E., 2019. Heat flow and near-seafloor magnetic anomalies highlight hydrothermal circulation at Brothers Volcano caldera, southern Kermadec Arc, New Zealand. Geophysical Research Letters, 46(14):8252. https://doi.org/10.1029/2019GL083517

Cocchi, L., Caratori Tontini, F., Muccini, F., and de Ronde, C.E.J., 2021. Magnetic expression of hydrothermal systems hosted by submarine calderas in subduction settings: examples from the Palinuro and Brothers Volcanoes. Geosciences, 11(12):504. https://www.mdpi.com/2076-3263/11/12/504

de Ronde, C.E.J., Humphris, S.E., and Höfig, T.W., 2023. Time series studies and drilling results from IODP Expedition 376 to Brothers Volcano, New Zealand: insights into petrology, hydrothermal processes, and mineralization—introduction. Economic Geology, 118(7):1537–1547. https://doi.org/10.5382/econgeo.5035

de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., Reyes, A.G., and the IODP Expedition 376 Scientists, 2019. Critical role of caldera collapse in the formation of seafloor mineralization: the case of Brothers volcano. Geology, 47(8):762–766. https://doi.org/10.1130/G46047.1

Diehl, A., de Ronde, C.E.J., and Bach, W., 2020. Subcritical phase separation and occurrence of deep-seated brines at the NW Caldera vent field, Brothers volcano: evidence from fluid inclusions in hydrothermal precipitates. Geofluids, 2020:8868259. https://doi.org/10.1155/2020/8868259

Goita, E.G., 2022. Fluid pathways in magmatic fluid-dominated hydrothermal system: upper resurgent cone, Brothers Volcano, New Zealand. The University of Southern Mississippi, Hattiesburg, MS. https://aquila.usm.edu/honors_theses/867/

Humphris, S.E., Blusztajn, J., and Cai, Y., 2022. Rare earth element mobility and Sr isotope systematics of altered volcanic rocks from seawater-based and magmatically-influenced hydrothermalsystems: Brothers Volcano, Kermadec Arc (IODP Expedition 376). Economic Geology. https://doi.org/10.5382/econgeo.4961

Ishida, M., Nozaki, T., Takaya, Y., Ohta, J., Chang, Q., Kimura, J.-I., Nakamura, K., and Kato, Y., 2022. Re–Os geochemistry of hydrothermally altered dacitic rock in a submarine volcano at Site U1527, IODP Expedition 376: implications for the Re cycle in intraoceanic arcs. Deep Sea Research, Part I: Oceanographic Research Papers, 180:103687. https://doi.org/10.1016/j.dsr.2021.103687

Kast, D.J., 2021. Authentic marine research experiences for low-income and first generation high school students used to level the playing field and decrease attrition in STEM. Current: The Journal of Marine Education, 35(1):16–30. https://doi.org/10.5334/cjme.56

Martin, A.J., Jamieson, J.W., de Ronde, C.E.J., Humphris, S.E., McDonald, I., Layne, G.D., Piercey, G., and MacLeod, C.J., 2022. Trace metal and sulfur cycling in a hydrothermally active arc volcano: deep-sea drilling of the Brothers volcano, Kermadec arc, New Zealand. Mineralium Deposita. https://doi.org/10.1007/s00126-022-01135-x

Martin, A.J., Jamieson, J.W., de Ronde, C.E.J., Humphris, S.E., Roberts, S., MacLeod, C.J., Cai, Y., Zhang, C., Schlicht, L.E.M., and Nozaki, T., 2022. Hydrothermal alteration within the Brothers submarine arc volcano, Kermadec Arc, New Zealand. Economic Geology. https://doi.org/10.5382/econgeo.4962

Massiot, C., Kissling, W., Nicol, A., McNamara, D., and IODP Expedition 376 Scientists, 2018. Structure and fluid flow in andesitic systems of the Taupō Volcanic Zone: a framework to unravel sub-seafloor hydrothermal flows at Brothers volcano, Kermadec Arc? Geoscience Society of New Zealand Miscellaneous Publication, 151A:181.

Massiot, C., McIntosh, I., Deans, J., Milicich, S.D., Caratori Tontini, F., de Ronde, C.E.J., Adam, L., Kolandaivelu, K., and Guerin, G., 2022. Petrophysical facies and inferences on permeability at Brothers Volcano, Kermadec arc, using downhole images and petrophysical data. Economic Geology. https://doi.org/10.5382/econgeo.4897

Nozaki, T., Ishida, M., Takaya, Y., Chang, Q., Kimura, J.-I., and Kato, Y., 2022. Depth profiles of Re-Os geochemistry in drill cores from Hole U1530A in Brothers Volcano hydrothermal field, Kermadec Arc: mobilization and extreme enrichment of Os by volcanic gas. Economic Geology. https://doi.org/10.5382/econgeo.4960

Reysenbach, A.-L., St. John, E., Meneghin, J., Flores, G.E., Podar, M., Dombrowski, N., Spang, A., L’Haridon, S., Humphris, S.E., de Ronde, C.E.J., Caratori Tontini, F., Tivey, M., Stucker, V.K., Stewart, L.C., Diehl, A., and Bach, W., 2020. Complex subsurface hydrothermal fluid mixing at a submarine arc volcano supports distinct and highly diverse microbial communities. Proceedings of the National Academy of Sciences of the United States of America, 117(51):32627–32638. https://doi.org/10.1073/pnas.2019021117

Schlicht, L.E.M., Rouxel, O., Deans, J., Fox, S., Katzir, Y., Kitajima, K., Kasemann, S.A., Meixner, A., and Bach, W., 2023. Boron and oxygen isotope systematics of two hydrothermal systems in modern back-arc and arc crust (PACMANUS and Brothers Volcano, W-Pacific). Economic Geology. https://doi.org/10.5382/econgeo.4986

Stucker, V.K., de Ronde, C.E.J., Laurence, K.J., and Phillips, A.M., 2022. Rare time series of hydrothermal fluids for a submarine volcano: 14 years of vent fluid compositions for Brothers Volcano, Kermadec Arc New Zealand. Economic Geology. https://doi.org/10.5382/econgeo.4922

Tontini, F.C., Turner, G.M., Reyes, A.G., Speranza, F., Tivey, M.A., Massiot, C., de Ronde, C.E.J., and Humphris, S.E., 2023. Effects of hydrothermal alteration and mineralization on the paleomagnetic properties of rocks from IODP Expedition 376 at Brothers volcano. Economic Geology. https://doi.org/10.5382/econgeo.5008

Walker, S.L., and de Ronde, C.E.J., 2023. Two decades of monitoring hydrothermal plumes at the Brothers submarine volcano, Kermadec Arc, New Zealand. Economic Geology. https://doi.org/10.5382/econgeo.4998

Wheat, C.G., Kitts, C., Webb, C., Stolzman, R., McGuire, A., Fournier, T., Pettigrew, T., and Jannasch, H., 2020. A new high-temperature borehole fluid sampler: the Multi-Temperature Fluid Sampler. Scientific Drilling, 28:43–48. https://doi.org/10.5194/sd-28-43-2020

Xu, S., 2024. Highest-resolution high-signal-to-noise ratio sonic slowness and application to Brothers Volcano, Kermadec Arc, New Zealand. Geophysics. https://doi.org/10.1190/geo2023-0347.1

Xu, S., Li, S., and Zou, Z., 2024. Hybrid virtual interferometry technique based on stacking of neighboring virtual traces to enhance acoustic logging data. Surveys in Geophysics. https://doi.org/10.1007/s10712-024-09825-z

Conferences

de Ronde, C., Humphris, S., Hoefig, T., and Reyes, A., 2019. Symbiosis between caldera collapse and hydrothermalism at Brothers submarine volcano, Kermadec Arc. Goldschmidt 2019 Abstracts, 782. https://goldschmidtabstracts.info/abstracts/abstractView?id=2019005431

de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., and Reyes, A.G., 2019. Critical role of caldera collapse in the formation of seafloor mineralization: Brothers Volcano, Kermadec Arc. Presented at the 2019 American Geophysical Union Fall Meeting, San Francisco, CA, 9–13 December 2019. https://abstractsearch.agu.org/meetings/2019/FM/V32B-02.html

Farough, A., Bijay, K.C., Foroutan, M., Ghazanfari, E., and Deans, J.R., 2019. First two-dimensional core-scale permeability measurements in a submarine volcano: insights into fluid circulation in the active hydrothermal system at Brothers Volcano. Presented at the 2019 American Geophysical Union Fall Meeting, San Francisco, CA, 9–13 December 2019. https://abstractsearch.agu.org/meetings/2019/FM/V32B-04.html

Höfig, T.W., Zhang, C., Peate, D.W., Humphris, S.E., and Horkley, L.K.S., 2019. Tracing the evolution of a submarine arc-hosted hydrothermal system through phosphate mineralization: Brothers Volcano, Kermadec Arc. Presented at the 2019 American Geophysical Union Fall Meeting, San Francisco, CA, 9–13 December 2019. https://abstractsearch.agu.org/meetings/2019/FM/V33E-0234.html

Höfig, T.W., Mott, A.V., Miller, B.V., Horkley, L.K., Zhang, C., and Peate, D.W., 2021. Tracking the evolution of a submarine arc-hosted hydrothermal system through the deportment of phosphorous and rare-earth elements. Presented at the Goldschmidt Virtual 2021, 4–9 July 2021. https://2021.goldschmidt.info/goldschmidt/2021/meetingapp.cgi/Paper/8098

Humphris, S.E., Blusztajn, J., de Ronde, C.E.J., Höfig, T.W., Cai, Y., Jamieson, J.W., Martin, A., Nozaki, T., Reyes, A.G., Roberts, S., Schlicht, T., and Zhang, C., 2019. Variations in REE and Sr isotope compositions of altered rocks from magmatic- and seawater-influenced hydrothermal systems at Brothers Volcano, Kermadec Arc, New Zealand (IODP Expedition 376). Presented at the 2019 American Geophysical Union Fall Meeting, San Francisco, CA, 9–13 December 2019. https://abstractsearch.agu.org/meetings/2019/FM/V33E-0232.html

Martin, A.J., Jamieson, J.W., de Ronde, C.E.J., Humphris, S.E., Höfig, T.W., Roberts, S., Cai, Y., Nozaki, T., Zhang, C., Schlicht, L., Reyes, A.G., and MacLeod, C.J., 2019. Magmatic versus seawater-dominated hydrothermal alteration: evidence from deep-sea drilling at Brothers Volcano, Kermadec Arc, New Zealand. Presented at the 2019 American Geophysical Union Fall Meeting, San Francisco, CA, 9–13 December 2019. https://abstractsearch.agu.org/meetings/2019/FM/V33E-0226.html

Massiot, C., Kissling, W., Nicol, A., and McNamara, D.D., 2018. Structure and fluid flow in andesitic systems of the Taupo Volcanic Zone: a framework to unravel subseafloor hydrothermal flow pathways at Brothers Volcano, Kermadec Arc? Presented at the 2018 American Geophysical Union Fall Meeting, Washington, DC, 10–14 December 2018. https://abstractsearch.agu.org/meetings/2018/FM/V33A-04.html

Massiot, C., McIntosh, I.M., Kolandaivelu, K.P., Farough, A., Reyes, A.G., de Ronde, C.E.J., Humphris, S.E., and Höfig, T.W., 2019. First downhole and core-based petrophysical and hydrological measurements in a submarine volcano: Brothers Volcano, Kermadec Arc. Presented at the 2019 American Geophysical Union Fall Meeting, San Francisco, CA, 9–13 December 2019. https://abstractsearch.agu.org/meetings/2019/FM/V33E-0236.html

McDermott, J.M., Rouxel, O., Schlicht, L.E.M., Bach, W., Stucker, V.K., de Ronde, C.E.J., Massiot, C., and the Expedition 376 Scientists, 2019. Geochemistry of deep subseafloor hydrothermal fluids at Brothers Volcano. Goldschmidt 2019 Abstracts, 2207. https://goldschmidtabstracts.info/abstracts/abstractView?id=2019004619

McIntosh, I., De Ronde, C., Humphris, S., Höfig, T., Reyes, A., and the IODP Expedition 376 Scientists, 2020. Overview of IODP Exp. 376: hydrothermal systems and submarine eruption processes of Brothers volcano, Kermadec Arc. Presented at the 2020 Japan Geoscience Union/American Geophysical Union Joint Meeting, Chiba, Japan, 24–28 May 2020. https://confit.atlas.jp/guide/event/jpgu2020/subject/MIS11-06/advanced

Parker, E., and Farough, A., 2019. Core-scale anisotropic analysis of density and porosity in a submarine volcano: insights into fluid circulation in the active hydrothermal system at Brothers Volcano. Presented at the 2019 American Geophysical Union Fall Meeting, San Francisco, CA, 9–13 December 2019. https://abstractsearch.agu.org/meetings/2019/FM/V33E-0224.html

Rouxel, O., Schlicht, L., Kutovaya, A., McDermott, J., Samin, A., Djedjroh, Y., Germain, Y., and Leroy, L., 2019. Geochemical mass balance during hydrothermal alteration of subseafloor volcanic rocks at Brothers Volcano, Kermadec Arc. Goldschmidt 2019 Abstracts, 2891. https://goldschmidt.info/2019/abstracts/abstractView?id=2019004145

Schlicht, L.E.M., Rouxel, O., Meixner, A., Kasemann, S.A., Bach, W., and the Expedition 376 Scientists, 2019. Boron isotopes in hydrothermally altered crust of the Brothers Volcano (Kermadec Arc, New Zealand). Goldschmidt 2019 Abstracts, 2999. https://goldschmidt.info/2019/abstracts/abstractView?id=2019004732

Straub, S.M., and Zhang, C., 2019. Magmatic pyroxenes reveal the presence of mafic melts in the plumbing system of Brothers Volcano, Kermadec Arc: results from IODP Expedition 376. Presented at the 2019 American Geophysical Union Fall Meeting, San Francisco, CA, 9–13 December 2019. https://abstractsearch.agu.org/meetings/2019/FM/T23G-0513.html

Tontini, F.C., Turner, G.M., Reyes, A.G., Speranza, F., Tivey, M., de Ronde, C.E.J., and Humphris, S.E., 2019. Paleomagnetic properties of hydrothermally altered rocks from IODP Expedition 376 at Brothers Volcano, New Zealand. Presented at the 2019 American Geophysical Union Fall Meeting, San Francisco, CA, 9–13 December 2019. https://abstractsearch.agu.org/meetings/2019/FM/V33E-0222.html

*The Expedition-related bibliography is continually updated online. Please send updates to PubCrd@iodp.tamu.edu.


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