rock [Noun] + volcanic [Adjective]

Strength Strength Dispersion
A:
85
CHISQ:
5,387.22
AWT:
5,458,826
TTEST:
9.08
G2:
562.36
FAWT:
9.96
MI:
6.03
LOGLOG:
38.63
JD:
0.68
MI3:
18.85
DICE:
1.76
RANGE: