. Author manuscript; available in PMC: 2021 Jan 15.

Published in final edited form as: Geochim Cosmochim Acta. 2020 Jan 15;269:639–660. doi: 10.1016/j.gca.2019.10.042

Table 1.

EPMA data (wt%) of the WL rim minerals from the Vigarano CAI Big Guy.

mineral	hibonite		spinel		melilite		pyroxene
	average	SD^*	average	SD	average	SD	top	↔				base
No. of analyses	23		20		3
SiO₂	0.26	0.16	0.08	0.03	23.22	0.83	37.58	45.48	49.06	50.77	52.83	55.54
TiO₂	4.20	0.71	0.23	0.03	0.07	0.01	2.23	3.44	1.71	1.25	0.30	0.05
Al₂O₃	84.55	1.49	71.04	0.34	34.01	0.56	26.95	12.44	7.73	5.42	3.16	0.54
V₂O₃	0.03	0.03	0.15	0.03	0.01	0.00	0.02	0.00	0.02	0.06	0.00	0.03
Cr₂O₃	0.01	0.01	0.22	0.02	0.00	0.01	0.22	0.12	0.16	0.10	0.07	0.01
FeO	0.42	0.77	0.63	0.28	0.18	0.03	1.13	0.26	0.21	0.43	0.59	0.28
MnO	0.01	0.01	0.01	0.02	0.01	0.01	0.00	0.00	0.02	0.00	0.00	0.00
MgO	2.22	0.30	28.10	0.24	1.34	0.07	7.89	12.86	14.98	16.26	18.37	19.01
CaO	8.40	0.15	0.12	0.04	40.28	0.35	24.47	25.37	25.56	25.48	25.37	25.39
Na₂O	0.02	0.03	0.01	0.01	0.03	0.02	0.02	0.00	0.03	0.01	0.02	0.00
Total	100.12		100.59		99.15		100.51	99.97	99.48	99.78	100.71	100.85

Si	0.030		0.002		1.069		1.363	1.656	1.790	1.845	1.900	1.984
Ti	0.355		0.004		0.002		0.061	0.094	0.047	0.034	0.008	0.002
Al	11.199		1.981		1.846		1.153	0.534	0.332	0.232	0.134	0.023
V	0.002		0.003		_-		0.001	_-	0.001	0.002	_-	0.001
Cr	0.001		0.004		_-		0.006	0.004	0.005	0.003	0.002	0.000
Fe	0.040		0.012		0.007		0.034	0.008	0.006	0.013	0.018	0.009
Mn	0.001		_-		_-		_-	_-	0.001	_-	_-	_-
Mg	0.372		0.991		0.092		0.427	0.698	0.815	0.881	0.985	1.013
Ca	1.011		0.003		1.987		0.951	0.990	0.999	0.992	0.978	0.972
Na	0.004		_-		0.003		0.002	_-	0.002	0.001	0.001	_-
Total	13.015		3.000		5.006		3.998	3.984	3.998	4.003	4.026	4.004
No. of oxygen anions	19		4		7		6	6	6	6	6	6
Ak (mol%)					9.1

Standard deviation (1σ).