|Quadrangle map, 1:250,000-scale||HE|
|Quadrangle map, 1:63,360-scale||D-3|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This gold placer prospect adjoins the upper Totatlanika River near Needle Rock, a prominent landmark. The map site is in the SW1/4 of sec. 1, T. 11 S., R. 5 W., of the Fairbanks Meridian.|
Geologic descriptionThe country rocks in the area of the Needle Rock gold placer prospect include the mid-Paleocene Totatlanika Schist, mid-Tertiary hypabyssal plutons, and younger Tertiary strata that overlie the basement rocks (Wahrhafig, 1970; GQ805). At Needle Rock, Tertiary gravels have been worked for placer gold.
|Geologic map unit||(-148.452332261829, 63.9795505691508)|
|Mineral deposit model||Placer Au (Cox and Singer, 1986; model 39a)|
|Mineral deposit model number||39a|
|Age of mineralization||Quaternary.|
|Workings or exploration||Surface only.|
|Indication of production||Undetermined|
Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Healy quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-1062, 113 p.
Maddren, A.G., 1918, Gold placers near the Nenana coal field: U.S. Geological Survey Bulletin 662-G, p. 363-402.
|Reporters||N. Van Wyck (Stevens Exploration Management Corporation)|
|Last report date||4/7/2000|