Lake

Occurrence, Inactive

Commodities and mineralogy

Main commodities Au
Ore minerals arsenopyrite; gold
Gangue minerals quartz

Geographic location

Quadrangle map, 1:250,000-scale KD
Quadrangle map, 1:63,360-scale C-6
Latitude 57.57
Longitude -153.84
Nearby scientific data Find additional scientific data near this location
Location and accuracy This site is located on the northwest tip of the peninsula separating Zachar and Amook Bays in sec. 18, T. 30 S., R. 28 W., of the Seward Meridian (Martin, 1913, locality 6; Cobb, 1972, MF 460, locality 3; MacKevett and Holloway, 1977, locality 3). Site location is accurate to within 1/2 mile.

Geologic setting

Geologic description

This occurrence consists of a 12-inch thick quartz vein which strikes N 70 E and dips southeast. It cuts Cretaceous sandstone and shale and fills one of a series of rectangular joints. Minor amounts of arsenopyrite were observed. Acidic dikes occur in the vicinity.
Geologic map unit (-153.842301091539, 57.5692747370345)
Mineral deposit model Chugach-type low-sulfide gold-quartz vein (Bliss, 1992; model 36a.1), turbidite-hosted gold vein.
Mineral deposit model number 36a.1
Age of mineralization Cretaceous or younger

Production and reserves

Indication of production None

Additional comments

No additional information is available since Becker's 1897 description.

References