Shamrock Head Prospect, Aniak Mining District, Bethel Census Area, Alaska, USAi
Regional Level Types | |
---|---|
Shamrock Head Prospect | Prospect |
Aniak Mining District | Mining District |
Bethel Census Area | Census Area |
Alaska | State |
USA | Country |
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Latitude & Longitude (WGS84):
61° 3' 54'' North , 159° 51' 3'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Kalskag | 210 (2011) | 57.8km |
Mindat Locality ID:
199888
Long-form identifier:
mindat:1:2:199888:0
GUID (UUID V4):
f09e9432-a20e-4cbb-b82d-957d2667cfd7
Location: The Shamrock Head prospect is a drill site at an elevation of about 2,240 feet on a west-trending ridge about 1.0 mile south of triangulation station Bonanza. There are several other drill sites about a half mile to the west along Rocky Creek. The geochemical anomaly that defines this prospect extends west for about 1,500 feet and east for about a mile. The prospect is about 0.5 mile north-northwest of the center of section 12, T. 11 S., R. 60 W. The location is accurate.
Geology: The Shamrock Head prospect is outlined by a soil-geochemistry survey completed for Tonogold Resources, Inc. during the summer of 2005 (Strachan, 2005). Several samples contained a few hundred to several hundred parts per billion gold. The anomalous samples suggest a general east-west trend to the mineralized zone. At this prospect elevated arsenic correlates with gold in contrast to the high bismuth as at the Bonanza Ridge prospect about one mile to the north (RM037). Arsenic values in soils reach 1,390 parts per million. The rocks in the prospect area consist of Jurassic volcanic and intrusive rocks (Box and others, 1993; Wenz, 2004, 2005). Tonogold (2007) drilled two holes at an elevation of about 2,240 feet on a west-trending ridge about 1 mile south of triangulation station Bonanza and three holes along Rocky Creek to the west.
Workings: The Shamrock Head prospect is defined by a soil geochemistry survey completed by Tonogold Resources, Inc. during the summer of 2005 (Strachan, 2005). Five holes were drilled on this prospect in 2006.
Age: Probably mid-Cretaceous as at the Bonanza Ridge prospect (RM New A1014).
Commodities (Major) - As, Au
Development Status: No
Deposit Model: Low-sulfide Au-Bi-Te-quartz veins.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
1 valid mineral.
Gallery:
Other Databases
Link to USGS - Alaska: | RM038 |
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Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Nyac DomainDomain
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