“Pods

IRON OXIDE-COPPER-GOLD MINERAL DEPOSITS
IOCG = recently-identified type of ore deposits
in zones of extensional tectonics
mainly along past rift zones or aulacogens
situated along major structural zones
Most related to “anorogenic” intrusive rocks
No direct relationship w/ intrusive rocks
-in small deposits
-“distal” portions of mineralized systems
Mineralized deposits contain
Fe oxide nucleus (mag and/or hem)
replaced by py and cpy