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Gold/Mining/Energy : ISLAND-ARC RESOURCES IAR-VSE -- Ignore unavailable to you. Want to Upgrade?

To: VAUGHN who wrote (130)	1/19/1999 11:02:00 PM
From: Dave R. Webb	Read Replies (2) \| Respond to of 186

There are a number of papers out that present this classification. Perhaps the best way to view it is to consider the G10 field subdivided into 10 subclasses, J-1 to 10. Put the J-10 field as the most subcalcic highest chrome (diamond inclusion pyropes), and the balance moving toward the G9 field (but still within the G10 field). This way a marginal G10 can be considered as great (J-10) or okay (J-1). This is a simplification, but call John Armstrong at DIAND for a better picture. Dave