Table 1.

Chemical compositions of olivine of the APF igneous rock. Abbreviations: GA = gabbro; corr = corroded crystal; cum = cumulus phase; intergr = intergranular.

Sample	APF405	APF405	APF405	APF405	APF405	APF405
Rock type	GA	GA	GA	GA	GA	GA
Comment	corr	cum	cum	cum	cum	intergr
SiO2	38.43	37.89	38.22	38.14	37.76	38.15
MgO	36.75	34.07	33.62	33.64	34.71	34.62
CaO	0.05	0.05	0.06	0.05	0.07	0.04
Cr2O3	0.07	0.10	0.07	0.03	0.07	0.01
MnO	0.65	0.81	0.76	0.75	0.73	0.64
FeOtot	24.98	28.70	28.22	27.37	26.28	27.25
NiO	–	–	–	–	0.03	0.07
Sum	100.96	101.63	100.95	100.01	99.65	100.80
Si	1.00	1.00	1.01	1.02	1.01	1.01
Fe2+	0.55	0.63	0.63	0.61	0.59	0.60
Mn	0.01	0.02	0.02	0.02	0.02	0.01
Mg	1.43	1.34	1.33	1.34	1.38	1.36
Ca	0.00	0.00	0.00	0.00	0.00	0.00
Cr	0.00	0.00	0.00	0.00	0.00	–
Ni	–	–	–	–	0.00	0.00
Sum	2.99	3.00	2.99	2.98	2.99	2.99
Fo	72.39	67.91	67.99	68.66	70.19	69.37
Fa	27.61	32.09	32.02	31.34	29.81	30.63