McRoberts Creek

Occurrence, Inactive

Commodities and mineralogy

Main commodities Hg; W
Ore minerals cinnabar; ilmenite; magnetite; pyrite; scheelite

Geographic location

Quadrangle map, 1:250,000-scale AN
Quadrangle map, 1:63,360-scale C-6
Latitude 61.59
Longitude -148.99
Nearby scientific data Find additional scientific data near this location
Location and accuracy Along McRoberts Creek: Sec. 6, T. 17 N., R. 3 E., of the Seward Meridian. Accurate within 1 mile. Locality 74 and 75 of Jasper (1967) and locality 91 of Cobb (1972).

Geologic setting

Geologic description

Jasper (1967) reported creek float consisting of granite, greenstone and ultramafic rocks. Concentrates include: magnetite, scheelite, pyrite, ilmenite, and a trace of cinnabar.
Geologic map unit (-148.992209165541, 61.5894684352838)

Production and reserves

Workings or exploration Pan concentrates contain 50 to 60 percent magnetite, less than 1 percent scheelite, about 1 percent pyrite, a few grains of ilmenite, and 1 grain of cinnabar (Jasper, 1967).
Indication of production None

Additional comments

It appears that McRoberts Creek has also been referred to as Bodenburg Creek and Palmer Creek on various maps.

References