. Author manuscript; available in PMC: 2021 Dec 2.

Published in final edited form as: Geochim Cosmochim Acta. 2020 Oct 8;293:544–574. doi: 10.1016/j.gca.2020.09.036

Table 2.

Fo, En, and Wo contents and average elemental compositions (wt%) of minerals in Kaba and DOM 08006 AOAs obtained with electron microprobe.

Chondrite	AOA name	Mineral^a	Fo^b	1SD	En^b	1SD	Wo^b	1SD	No. of analyses	Na₂O	MgO	A1₂O₃	SiO₂	K₂O	CaO	TiO₂	Cr₂O₃	MnO	FeO	Total
Kaba	K27	fo	99.9	0.1					15	b.d	57.17	0.06	42.31	b.d	0.15	0.06	0.20	0.10	0.19	100.23
Kaba	K27	hpx			48.9	1.4	51.1	1.4	2	b.d	17.15	5.32	50.88	b.d	24.88	1.94	0.11	b.d	b.d	100.29
DOM 08006	501	fo	99.5	0.3					12	b.d	57.04	0.06	42.24	b.d	0.19	0.05	0.16	0.11	0.49	100.34
DOM 08006	502	fo	99.5	0.2					7	b.d	57.14	0.05	42.35	b.d	0.07	0.10	0.34	0.27	0.48	100.81
DOM 08006	503	fo	99.7	0.1					7	b.d	57.61	0.05	42.50	b.d	0.09	0.06	0.22	0.10	0.34	100.96
DOM 08006	505	fo	99.8	0.1					7	b.d	57.56	0.04	42.15	b.d	0.11	0.06	0.20	0.12	0.18	100.41
DOM 08006	505	hpx			50.1	0.1	49.6	0.2	3	b.d	18.12	3.87	53.00	b.d	24.92	0.28	0.09	b.d	0.20	100.48
DOM 08006	511	fo	99.5	0.1					7	b.d	57.36	0.04	42.17	b.d	0.12	0.05	0.13	0.16	0.54	100.56
DOM 08006	511	hpx			45.1	1.6	54.3	1.4	2	b.d	14.90	10.17	47.95	b.d	24.90	2.07	0.10	b.d	0.35	100.44
DOM 08006	511	an							1	0.03	0.55	35.94	42.55	b.d	19.84	0.07	0.08	b.d	0.37	99.43
DOM 08006	512	fo	99.7	0.1					7	b.d	57.35	0.08	42.32	b.d	0.09	0.08	0.27	0.15	0.27	100.61
DOM 08006	513	fo	99.6	0.1					7	b.d	57.32	0.04	42.44	b.d	0.33	0.05	0.10	b.d	0.40	100.69
DOM 08006	513	hpx			47.9	1.1	51.4	1.2	4	b.d	16.63	6.85	50.15	b.d	24.83	1.38	0.10	b.d	0.46	100.40
DOM 08006	514	fo	99.7	0.2					7	b.d	57.40	0.07	42.36	b.d	0.35	0.07	0.07	b.d	0.33	100.65

fo = forsterite, hpx = high-Ca pyroxene, an = anorthite

Fo = Mg/(Mg + Fe) molar %, En = Mg/(Mg + Fe + Ca) molar %, Wo = Ca/(Mg + Fe + Ca) molar %.