Carboniferous [Adjective] + rock [Noun]

Strength Strength Dispersion
A:
10
CHISQ:
112.66
AWT:
16,837,506
TTEST:
2.92
G2:
38.49
FAWT:
3.23
MI:
3.72
LOGLOG:
12.35
JD:
0.4
MI3:
10.36
DICE:
0.21
RANGE: