Tolson and Stanton

Prospect, Inactive

Commodities and mineralogy

Main commodities Au; Zn
Other commodities Pb
Ore minerals arsenopyrite; galena; gold; pyrite; sphalerite
Gangue minerals calcite; chlorite; quartz

Geographic location

Quadrangle map, 1:250,000-scale SR
Quadrangle map, 1:63,360-scale D-3
Latitude 60.9436
Longitude -147.9877
Nearby scientific data Find additional scientific data near this location
Location and accuracy The prospect is located on the west slope of a mountain about 2 miles south of Golden at an elevation of 1,500 feet. It is in the W1/2 section 23, T. 10 N., R. 8 E., of the Seward Meridian. This is location 112 of Condon and Cass (1958), location 76 of Cobb and Richter (1972), location 162 of Cobb and Tysdal (1980), and location S-127 of Jansons and others (1984). This location is accurate to within half a mile.

Geologic setting

Geologic description

The prospect is hosted in sheared graywacke and slate of the Valdez Group of Late Cretaceous age. The deposit is in a 2- to 5-foot-wide shear zone and consists of lenses and stringer veins of quartz as much as 2 feet wide (Tysdal, 1978 [MF-880-A]). The shear zone dips vertically and is traceable for 300 feet along a northeast strike. The veins contain arsenopyrite, galena, pyrite, sphalerite, and gold (Johnson, 1914 [B 592-G, p. 225]).
The workings on the prospect consist of a 155-foot adit; improvements in the early 1900s included an arrastre mill and cabin (Johnson, 1914 [B 592-G, p. 225]).
Geologic map unit (-147.989750433544, 60.9430248224436)
Mineral deposit model Low-sulfide Au-quartz vein (Cox and Singer, 1986; model 36a)
Mineral deposit model number 36a
Age of mineralization Cretaceous or younger; the deposit cuts rocks of the Valdez Group of Late Cretaceous age.

Production and reserves

Workings or exploration The workings on the prospect consist of a 155-foot adit; improvements in the early 1900s include an arrastre mill and cabin (Johnson, 1914 [B 592-G, p. 225]). No assay results are reported. The U.S. Bureau of Mines searched for the prospect in 1979 and 1980 but did not locate it (Hoekzema and Sherman, 1983).
Indication of production None

References