Unnamed (1.2 miles southeast of Reynolds Peak)

Prospect, Inactive

Commodities and mineralogy

Main commodities Cu
Ore minerals chalcopyrite; pyrite; pyrrhotite

Geographic location

Quadrangle map, 1:250,000-scale SR
Quadrangle map, 1:63,360-scale A-3
Latitude 60.0204
Longitude -147.8558
Nearby scientific data Find additional scientific data near this location
Location and accuracy The prospect is located in the N1/2 section 11, T. 2 N., R. 9 E., of the Seward Meridian. It is 1.2 miles northeast of Reynolds Peak, Latouche Island. This is location 264 of Tysdal (1978 [MF-880-A]) and location S-9 of Jansons and others (1984). This location is accurate to within a quarter of a mile.

Geologic setting

Geologic description

The prospect consists of a few stringers of chalcopyrite, pyrrhotite, and pyrite (Tysdal, 1978 [MF-880-A]). The host rock is sandstone of the Orca Group of early Tertiary age (Nelson and others, 1985). Workings consist of a single adit of unknown length (Kurtak and Jeske, 1986).
Geologic map unit (-147.857797795109, 60.0197492728158)
Mineral deposit model Besshi massive sulfide (Cox and Singer, 1986; model 24b)
Mineral deposit model number 24b
Age of mineralization Tertiary or younger; the mineralization is in rocks of the Orca Group of Tertiary age.

Production and reserves

Workings or exploration Workings consist of a single adit of unknown length. The U.S. Bureau of Mines attempted to locate this prospect in the early 1980s but did not find it (Kurtak and Jeske, 1986).
Indication of production None

Additional comments

This prospect has also been called Latouche Island Copper Mining Co. and Alameda. Occurrence SR311 and prospect SR314 have also been called by the same names. Occurrence SR315 has been called Alameda. All three are different sites.

References