Reefton Flashcards
1
Q
Host Rock Lithologies
A
Greenland Group, greywacke/argillite
2
Q
Host Rock Metamorphic Grade
A
Chlorite Zone, Greenschist Facies
3
Q
Common Mineralisation Minerals
A
Arsenopyrite, Stibnite, Antimony Sulphide
4
Q
Location of Gold
A
Concentrated in the Arsenopyrite Halo
5
Q
Relationship to Quartz Veins
A
Quartz Veins Cross cut the alteration halo
6
Q
Relationship of Structure to Faulting
A
Globe-Progress Shear - has alteration halo, which is where the gold is concentrated
7
Q
Timing of Mineralisation
A
440-360 Ma
