stratum [Noun] + rock [Noun]

Strength Strength Dispersion
A:
13
CHISQ:
111.27
AWT:
13,272,361
TTEST:
3.26
G2:
42.48
FAWT:
4.1
MI:
3.38
LOGLOG:
12.52
JD:
0.61
MI3:
10.79
DICE:
0.27
RANGE: