Previous   |   Close   |   Next

Table T3. Hole U1301B igneous unit and contacts log.

Unit Subunit Upper contact Depth interval
(mbsf)
Minimum thickness
(m)
Lithology
Core Section Piece Type
1 A 1R 1 1 NR 351.20–351.77 0.50 Basalt-hyaloclastite breccia

B 1R 1 8 NR 351.77–352.54 0.52 Sparsely clinopyroxene-plagioclase phyric basalt

C 1R 1 17 C 352.54–425.01 20.26 Sparsely to moderately clinopyroxene-plagioclase phyric pillow basalt
2 A 11R 1 12 C 425.01–431.53 3.91 Sparsely to moderately olivine-clinopyroxene-plagioclase phyric massive basalt

B 13R 2 3 C 431.53–435.29 1.26 Sparsely to moderately olivine-clinopyroxene-plagioclase phyric basalt massive flow
3
14R 1 16 C 435.29–444.09 0.90 Moderately olivine-clinopyroxene-plagioclase phyric pillow basalt
4 A 15R 1 7 C 444.09–444.66 0.40 Sparsely to moderately clinopyroxene-plagioclase phyric basalt massive flow

B 15R 1 12 NR 444.66–448.10 2.94 Sparsely to moderately clinopyroxene-plagioclase phyric basalt massive flow

C 15R 4 1 C 448.10–449.73 1.47 Sparsely to moderately clinopyroxene-plagioclase phyric basalt massive flow
5
15R 5 3 C 449.73–471 2.09 Moderately olivine-clinopyroxene-plagioclase phyric pillow basalt
6
18R 1 1 C 471–475.77 4.39 Sparsely plagioclase phyric massive basalt
7 A 18R 4 4 C 475.77–491.78 4.72 Sparsely to moderately olivine-plagioclase phyric pillow basalt

B 21R 2 5 C 491.78–511.78 11.00 Moderately to highly clinopyroxene-olivine-plagioclase phyric pillow basalt

C 25R 2 7 NR 511.41–564.41 14.25 Aphyric and sparsely to moderately clinopyroxene-olivine-plagioclase phyric pillow basalt
8 A 35R 1 10 C 564.41–565.6 1.06 Basalt-hyaloclastite breccia

B 35R 2 8 C 565.6–573.20 1.24 Sparsely to moderately clinopyroxene-olivine-plagioclase phyric basalt

C 36R 1 15 C 573.20–582.8 2.91 Moderately to highly clinopyroxene-olivine-plagioclase phyric pillow basalt

Notes: NR = not recovered, C = chilled margin.

Previous   |   Close   |   Next   |   Top of page