Macraes Flashcards
1
Q
Host Rock Lithologies
A
Otago Schist
2
Q
Host Rock Metamorphic Grade
A
Greenschist Garnet Zone
3
Q
Host Rock Textural Zone
A
Boundary Between TZIV and TZIII
4
Q
Common Mineralisation Minerals
A
Arsenopyrite, Pyrite, Gold, Scheelite, Sulphides
5
Q
Location of Gold
A
Located in the Intrashear Schist zone,
6
Q
Relationship to Quartz Veins
A
Concentrated in the subvertical quartz veins in the Massive schist
7
Q
Relationship of Structure to Faulting
A
Intrashear zone is along a fault/boundary between the two textural zones.
8
Q
Timing of Mineralisation
A
135 Ma
