IODP Expedition 320T Preliminary Report

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Table T9. Elemental concentrations in whole rock samples, Hole U1330A. (See table notes.)

Core, section,
interval (cm) Color
band Major element oxide (wt%) Trace element (ppm)

SiO₂ TiO₂ Al₂O₃ Fe₂O₃ MnO MgO CaO Na₂O K₂O P₂O₅ Ni Cr Sc Cu Zn Sr Zr Y Ba

320T-U1330A-

3R-2, 115–116 Yellow 5.25 BD 0.48 0.60 BD 0.58 21.13 0.98 0.12 0.12 85.05 15.42 0.35 6.5 108.0 1462.0 28.3 9.27 714.2

3R-2, 125–126 Green 4.36 BD 0.38 0.45 BD 0.38 22.06 0.57 0.07 0.12 84.03 6.25 0.58 23.1 95.1 1343.9 21.6 11.64 732.9

3R-2, 117–118 Purple 4.30 BD 0.35 0.16 BD 0.42 21.48 0.72 0.08 0.13 115.74 7.83 0.89 54.5 89.9 1436.5 26.7 10.23 754.6

3R-2, 121–122 Black 4.31 0.01 0.32 BD BD BD 24.44 0.47 0.07 0.05 6.16 1.78 1.26 18.4 119.0 1319.2 23.0 10.13 710.9

3R-2, 113–114 White 5.27 0.01 0.36 BD BD BD 24.28 0.87 0.09 0.05 5.83 6.66 0.92 20.1 114.5 1550.6 26.7 13.81 874.2

3R-2, 42–43 White 4.14 0.01 0.31 BD BD BD 23.71 0.66 0.07 0.04 6.14 BD 2.24 16.6 115.4 1442.7 26.5 16.48 705.1

Core, section, interval (cm)	Color band	Major element oxide (wt%)	Trace element (ppm)
SiO₂	TiO₂	Al₂O₃	Fe₂O₃	MnO	MgO	CaO	Na₂O	K₂O	P₂O₅	Ni	Cr	Sc	Cu	Zn	Sr	Zr	Y	Ba
320T-U1330A-
3R-2, 115–116	Yellow	5.25	BD	0.48	0.60	BD	0.58	21.13	0.98	0.12	0.12	85.05	15.42	0.35	6.5	108.0	1462.0	28.3	9.27	714.2
3R-2, 125–126	Green	4.36	BD	0.38	0.45	BD	0.38	22.06	0.57	0.07	0.12	84.03	6.25	0.58	23.1	95.1	1343.9	21.6	11.64	732.9
3R-2, 117–118	Purple	4.30	BD	0.35	0.16	BD	0.42	21.48	0.72	0.08	0.13	115.74	7.83	0.89	54.5	89.9	1436.5	26.7	10.23	754.6
3R-2, 121–122	Black	4.31	0.01	0.32	BD	BD	BD	24.44	0.47	0.07	0.05	6.16	1.78	1.26	18.4	119.0	1319.2	23.0	10.13	710.9
3R-2, 113–114	White	5.27	0.01	0.36	BD	BD	BD	24.28	0.87	0.09	0.05	5.83	6.66	0.92	20.1	114.5	1550.6	26.7	13.81	874.2
3R-2, 42–43	White	4.14	0.01	0.31	BD	BD	BD	23.71	0.66	0.07	0.04	6.14	BD	2.24	16.6	115.4	1442.7	26.5	16.48	705.1

Notes: All samples are from working half. BD = below detection.

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