Brown Bear Prospect, Hope Mining District, Kenai Peninsula Borough, Alaska, USAi

Regional Level Types
Brown Bear Prospect	Prospect
Hope Mining District	Mining District
Kenai Peninsula Borough	Borough
Alaska	State
USA	Country

Location: The prospect is located near the head of Kenai Lake on the east side of the Seward Highway about 150 feet above the lake. It is in the NE1/4 section 19, T. 3 N., R. 1 E., of the Seward Meridian. This is location 78 of Cobb and Tysdal (1980) and location S-220 of Jansons and others (1984). This location is accurate to within a quarter of a mile.
Geology: The host rock of the Brown Bear prospect is slate and sandstone of the Valdez Group of Late Cretaceous age (Nelson and others, 1985). The host rock strikes N12E and dips 45E. The prospect consists of a 1.5- to 5-inch-wide quartz-calcite vein that parallels the host rock strike and can be traced along the surface for 250 feet (Hoekzema and Sherman, 1983). Metallic minerals include arsenopyrite, chalcopyrite, galena, pyrrhotite, pyrite, and sphalerite; gold is also present (Cobb and Tysdal, 1980). Martin and others (1915) reported a short adit at the prospect but gave no details. No assay results are reported in the literature.
Workings: Workings on the prospect consist of (Martin and others, 1915). Martin and others (1915) reported that several feet of adit driven in 1912 at the prospect but gave no further details. There are no assay results reported in the literature.
Age: Cretaceous or younger; the vein cuts rocks of the Valdez Group of Late Cretaceous age.

Commodities (Major) - Au; (Minor) - Pb, Zn
Development Status: None
Deposit Model: Low-sulfide Au-quartz vein (Cox and Singer, 1986; model 36a)

Other Databases

Link to USGS - Alaska:	SR198

Other Regions, Features and Areas containing this locality

References