Testing Correspondence between Areas with Hydrated Minerals, as Observed by CRISM/MRO, and Spots of Enhanced Subsurface Water Content, as Found by DAN along the Traverse of Curiosity

Table 3

Comparison of parameters of F_DAN distributions for groups of CRISM pixels.

Groups of CRISM pixels		Coverage of the traverse (%)	Number of CRISM pixels	Number of DAN measurements	Mean of the FDAN distribution	Variance of the FDAN distribution	χ^2 for Pearson criteria	-level for Pearson criteria
Reference distribution		81	831	5467	3.20 ± 0.02	0.26	—	—
Phyllosilicates		5	51	293	3.13 ± 0.05	0.14	7.74	0.052
Monohydrated sulfates		4	45	307	2.95 ± 0.08	0.28	11.12	0.049
Polyhydrated sulfates	All	10	101	638	3.47 ± 0.04	0.16	34.56	5.71 × 10^−7
	Of “high intensity”	5	50	312	3.63 ± 0.06	0.16	53.69	1.31 × 10^−11
	Of “low intensity”	5	51	326	3.31 ± 0.05	0.12	8.70	0.034