Unnamed Cu prospect Vhne-028n, Vaca Hills, Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA
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MRDS database Dep. ID file #10039920, MRDS ID #M051107.
A Cu occurrence/prospect located in T11S, R8E (no section provided).
Mineralization is an ore zone that strikes N75E and has a steep dip, hosted in Cretaceous (?) red beds (clastic sedimentary rock). Slight to moderate quartz veining (mm to 1 cm) and moderate to light propylitic alteration were noted. Sparce pyrite limonite in some quartz veins; associated limonitic-calcite veins. Ore control was fractures. Alteration includes propylitic pyrite.
Local structures include some mafic Cretaceous dike-flows in the area with propylitic alteration.
3 entries listed. 2 valid minerals.
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