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Gold/Mining/Energy : Gold and Silver Juniors, Mid-tiers and Producers -- Ignore unavailable to you. Want to Upgrade?


To: hubris33 who wrote (7905)3/12/2006 9:59:44 PM
From: E. Charters  Respond to of 78410
 
em.gov.bc.ca

en.wikipedia.org

* The orebodies are associated with multiple intrusions and dikes of diorite to quartz monzonite composition with porphyritic textures.
* Breccia zones with angular or locally rounded fragments are commonly associated with the intrusives. The sulfide mineralization typically occurs between or within fragments.
* The deposites typically have an outer epidote - chlorite mineral alteration zone.
* A quartz - sericite alteration zone typically occurs closer to the center and may overprint.
* A central potassic zone of secondary biotite and orthoclase alteration is commonly associated with most of the ore.
* Fractures are often filled or coated by sulfides, or by quartz veins with sulfides. Closely spaced fractures of several orientations are usually associated with the highest grade ore.