Xm
MAFIC ROCKS OF 1700-M.Y. AGE GROUP
intrusive
granitoid
gabbro, diorite, monzonite
4.4.17
gabbro
diorite
monzonite
Early Proterozoic
2500
1600
Gabbro and mafic diorite and monzonite
ABW
1,700 age group
X
mafic intrusive