Conference Proceedings
The AusIMM Proceedings 1969
Conference Proceedings
The AusIMM Proceedings 1969
Sulphide-Silicate Reactions During Metamorphism of The Nairne Pyrite Deposit
The mineralogy of the rocks now observed in the Nairne pyrite deposit developed under conditions of internally-controlled sulphur activity during amphibolite facies metamorphism. In the sulphide-deficient metasediments the activity of sulphur was low, and pyrrhotite developed with iron-bearing silicate minerals. At higher sulphur activity, in the sulphide-rich meta-sediments, pyrite formed in addition to pyrrhotite, and the associated silicate minerals are iron-deficient.
Contributor(s):
R J George
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- Published: 1968
- PDF Size: 0.82 Mb.
- Unique ID: P_PROC1969_1212