low-grade [Adjective] + copper [Noun]

Strength Strength Dispersion
A:
4
CHISQ:
1,422.95
AWT:
54,355,606
TTEST:
1.99
G2:
51.13
FAWT:
1
MI:
8.48
LOGLOG:
16.96
JD:
-0.01
MI3:
12.48
DICE:
0.42
RANGE: