Table T7 (continued).

Table T7 (continued).


Leg, hole:	176-735B-		118-735B-
Core, section: Interval (cm):	154R-3 71-79	154R-3 71-79	44R-2 0-4	77R-4 70-72	77R-4 70-72	77R-4 70-72
Rock type:	Oxide gabbronorite
Major element oxide (wt%):
SiO₂	51.15	51.99	51.33	51.03	51.48	51.43
TiO₂	0.73	0.55	0.80	0.40	0.55	0.20
Al₂O₃	2.45	1.76	2.57	1.03	1.69	0.85
FeO	9.60	8.30	10.96	19.57	14.48	13.36
Cr₂O₃	0.00	0.10	0.01	0.02	0.04	0.03
MnO	0.27	0.13	0.39	0.62	0.41	0.44
MgO	15.00	14.68	13.58	13.21	13.01	12.52
CaO	19.80	22.16	20.28	15.28	18.79	20.96
Na₂O	0.62	0.58	0.53	0.30	0.41	0.33
Total	99.62	100.25	100.45	101.46	100.86	100.12
Number of cations based on 6 O:
Si	1.9162	1.9341	1.9201	1.9409	1.9402	1.9570
Ti	0.0207	0.0154	0.0225	0.0114	0.0156	0.0057
Al^IV	0.0838	0.0659	0.0799	0.0462	0.0598	0.0381
Al^VI	0.0243	0.0114	0.0334	0.0000	0.0153	0.0000
Fe⁺²	0.3006	0.2582	0.3428	0.6224	0.4563	0.4251
Cr	0.0000	0.0030	0.0003	0.0006	0.0012	0.0009
Mn	0.0086	0.0042	0.0124	0.0200	0.0131	0.0142
Mg	0.8377	0.8142	0.7573	0.7490	0.7310	0.7102
Ca	0.7947	0.8832	0.8127	0.6226	0.7587	0.8544
Na	0.1244	0.1173	0.1068	0.0627	0.0848	0.0700
Total	4.1110	4.1069	4.0882	4.0759	4.0759	4.0757
En	43.3	41.6	39.6	37.6	37.6	35.7
Fe	15.6	13.2	17.9	31.2	23.4	21.4
Wo	41.1	45.2	42.5	31.2	39.0	42.9