Hemlo South Property

Ontario Gold Claims For Lease Purchase

Location: Canada, Ontario

Commodities: Gold

Available Terms: Lease Purchase Option

Price: Contact Vendor

NOT AVAILABLE

Summary

A major shear zone with a dextral displacement strikes ENE through Cache Lake and continues almost EW, south of Cigar Lake. The contact between the Heron Bay Pluton and the tuffs at the southwest end of the property is faulted. This fault must have been active while the granite was still fluid as granite and non-granitic rocks are mixed up within the fault zone. The major Cache Lake Fault is also considered to be a block fault with the NE block down-thrown. The southern end of this fault is invaded by a diabase dyke. The Main Pyrite Zone ends against this fault. The ending of the Main Pyrite Zone against this fault must provoke some comment. One possibility is that this fault was a channel-way for mineralizing solutions and these migrated along a favorable horizon, namely the sediment or tuff and lapilli tuff contact eastward of this fault, and caused the rock alteration and at least some of the sulphide mineralization. This concept has some very important implications in light of the theory of ore emplacement put forward by Noranda geologists, i.e. brines originating in pyroclastic filled half-grabens with a NW-striking fault controlling subsidence. The geochemical anomalies numbers 29, 30 and 31 take on a particular significance in light of this theory.

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