Table 1.

CheMin Mineral Abundances as Reported by Bish et al. [2013[ and Vaniman et al. [2014[^a

Mineral	Portage Soil	John Klein	Cumberland
Plagioclase	40.8	44.8	41
Fe-forsterite	22.4	5.7	1.9
Augite	14.6	7.6	9
Pigeonite	13.8	11.3	16
Orthopyroxene		6.1	9
Magnetite	2.1	7.6	9
Anhydrite	1.5	5.3
Bassanite		2.1	1.2
Quartz	1.4	0.9*	0.2*
Sanidine	1.3*	2.4	3.5
Hematite	1.1*	1.2*	1.3
Ilmenite	0.9*		1.2*
Akaganeite		2.3	3
Halite		0.3*	0.3*
Pyrite		0.6*
Pyrrhotite		2.0	1.9
Amorphous	27	28	31
Clay		22	18

^aData from Bish et al. [2013[ and Vaniman et al. [2014[. Asterisks mean at or near detection limits. Note that the crystalline components (minus clay and amorphous) are normalized to 100%.