Unnamed (near Pt. Marsden)

Prospect, Inactive

Commodities and mineralogy

Main commodities Ni

Geographic location

Quadrangle map, 1:250,000-scale JU
Quadrangle map, 1:63,360-scale A-3
Latitude 58.0995
Longitude -134.7314
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is on the west coast of northern Admiralty Island, 1.8 miles south of Point Marsden and 1 mile west of Wheeler Creek. It is in the NW1/4 section 28, T. 44 S., R. 65 E. of the Copper River Meridian. The location is accurate within 1/4 mile.

Geologic setting

Geologic description

This occurrence consists of disseminated nickel sulfide and oxide minerals in a serpentinized ultramafic sill (Wells and others, 1986). No other information is available.
The rocks in the general area are mainly Ordovician and Devonian to Triassic clastic strata, mafic-intermediate volcanic rocks, and subordinate limestone. The bedded rocks are intruded and locally metamorphosed by Cretaceous granodiorite (Gehrels and Berg, 1994).
Geologic map unit (-134.733184447749, 58.0991638100012)

Production and reserves

Workings or exploration Surface sampling only.
Indication of production None



Gehrels, G.E., and Berg, H.C., 1994, Geology of southeastern Alaska, in Plafker, George, and Berg, H. C., eds., The geology of Alaska: Geological Society of America, DNAG, The geology of North America, Vol. G-1, p. 451-467.
Reporters J.C. Barnett and L.D. Miller (Juneau, Alaska )
Last report date 12/15/2001