Cordilleran Vein Type Deposits Examples
Cordilleran Vein Type Deposits Examples
Cordilleran Vein Type Deposits Examples
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
<strong>Vein</strong>s 11/3/10<br />
Timing, temperature, mineralogy,<br />
zona>on<br />
• See figure<br />
– Py-‐Sphalerite-‐Galena-‐(huebnerite-‐<br />
arsenopyrite) early at 350-‐400° C<br />
– Chalcopyrite, then Tetrahedrite follow, ZnS-‐PbS<br />
begin to wane<br />
– Pyrite and quartz gangue<br />
– Late sulfides strongly zoned: both<br />
mineralogically and composi>onally<br />
– Altera>on is extensive centrally becoming less<br />
intense and localized outward<br />
8
Change language