Calcite Prospect, Chistochina Mining District, Valdez-Cordova Census Area, Alaska, USAi

Regional Level Types
Calcite Prospect	Prospect
Chistochina Mining District	Mining District
Valdez-Cordova Census Area	Census Area
Alaska	State
USA	Country

The locality is in the Wrangell-Saint Elias National Park and Preserve.
Location: This prospect is at the head of MacDougal Creek. It is at an elevation of about 4,950 feet, 2,500 feet north-northwest of elevation 5975, and 1,700 feet southeast of the center of section 2, T. 4 S. R. 9 E. of the Copper River Meridian. This is locality 106 of MacKevett (1976) and locality 37 of MacKevett and others, 1978). The location is accurate to within about 100 feet. This prospect was included by Cobb and MacKevett (1980) under the name 'Calcite'.
Geology: This prospect consists of a brecciated fault zone along the contact of altered Triassic limestone and granodiorite; the fault zone contains sparse amounts of pyrite, chalcopyrite, and malachite (Moffit and Mertie, 1923; Van Alstine and Black, 1946; MacKevett, 1976). The altered limestone is bleached and contains magnesite, dolomite, and seams of calcite. The fault zone also contains abundant serpentine minerals, and pods and veins of serpentine occur in the limestone (Van Alstine and Black, 1946; MacKevett, 1976).
Workings: The deposit was explored by a short adit.
Alteration: Dolomitization(?); serpentine veining and replacement.

Commodities (Major) - Cu
Development Status: None
Deposit Model: Vein

Other Databases

Link to USGS - Alaska:	MC065

Other Regions, Features and Areas containing this locality

References