Unnamed Occurrence (ARDF - TK050; near head of Talkeetna River), Yentna Mining District, Matanuska-Susitna Borough, Alaska, USAi

Regional Level Types
Unnamed Occurrence (ARDF - TK050; near head of Talkeetna River)	- not defined -
Yentna Mining District	Mining District
Matanuska-Susitna Borough	Borough
Alaska	State
USA	Country

Location: This occurrence is at an elevation of about 2,900 feet on a west tributary of the Talkeetna River, about 4.9 miles south-southeast of the junction of the Talkeetna River and Cache Creek. It is the SE1/4NE1/4 sec. 11, T. 28 N., R. 2 E., Seward Meridian. The location is accurate to within 1/4 mile.
Geology: This occurrence consists of an extensive deep-red to light-brown, pyritic gossan in aphanitic intermediate metavolcanic rocks of Paleozoic age (Csejtey and Miller, 1978). Granitic rocks are also reported in the area (Miller and others, 1978). Samples of the granitic rocks contain up to 300 parts per million molybdenum; samples of the iron-stained volcanic rocks contain up to 1 part per million silver and 700 parts per million arsenic (Miller and others, 1978).
Workings: Only limited sampling by the U.S. Geological Survey (Miller and others, 1978).
Alteration: The volcanic rocks are iron-stained.

Commodities (Major) - Ag, Mo; (Minor) - As
Development Status: None
Deposit Model: Porphyry molybdenum? (Cox and Singer, 1986; model 21b?)

Other Databases

Link to USGS - Alaska:	TK050

Other Regions, Features and Areas containing this locality

References