A huge open pit asbestos mine in ultrabasic, serpenitized rocks. For many years owned and operated by by Canadian Johns-Manville Co., Ltd., it is now owned by a local consortium. The mine is now (2008) mostly inactive and the lower levels are filling with water.
References:
- Min.Rec.:20(5):393
- Tschernich, R. (1992): Zeolites of the World, p.493
- Amabili, M. , Miglioli, A. and Spertini, F. (2004). Recent discoveries at the Jeffrey Mine, Asbestos, Québec. The Mineralogical Record. 35: 123-135.
- Grice, J.D. and Williams, R. (1979). "Famous mineral localities: The Jeffrey Mine, Asbestos, Québec." Mineralogical Record, 10(2),pp:69-80.
- Spertini, F. (2001). "La mine Jeffrey, Asbestos, Québec, Canada." Le Règne Minéral(37),pp:10-34.
- Horváth, L. & Spertini, F. (2008) Die Jefrey Mine in Asbestos, Québec, Kanada. Teil I. Mineralien Welt, 19(5), 42-67 (in German).
- Horváth, L. & Spertini, F. (2009) Die Jefrey Mine in Asbestos, Québec, Kanada. Teil II. Mineralien Welt, 20(1), (in press)(in German).
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Map Reference: 45°46'11"N , 71°57'0"W
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