Unnamed Occurrence (ARDF - ID083; south of the head of Maybe Creek), Iditarod Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
62° 41' 26'' North , 157° 9' 32'' West
Latitude & Longitude (decimal):
Köppen climate type:
Mindat Locality ID:
200861
Long-form identifier:
mindat:1:2:200861:8
GUID (UUID V4):
69e3bb7e-3936-4ce0-a043-895b82b60080
Location: This occurrence is at an elevation of about 2,900 feet, near the summit of a high ridge at the head of Maybe Creek It is about 0.3 mile north-northeast of hill 2920 and about 0.2 mile east of the center of section 16, T. 30 N., R. 42 W., of the Seward Meridian. The location is accurate.
Geology: This occurrence consists of hornfels rubble and float near the contact of monzonite of the Late Cretaceous, Maybe Creek pluton and sandstone of the Upper Cretaceous, Kuskokwim Group (Bundtzen, Laird, and Lockwood, 1988; Miller and Bundtzen, 1994; Miller, Bundtzen, and Gray, 2005). A sample of hornfels contained 850 parts per billion (ppb) silver, 200 parts per million (ppm) lead, 9,500 ppb mercury, and 60 ppm arsenic (McGimsey and others, 1988).
Workings: The area was sampled by the U.S. Geological Survey in the 1980s (McGimsey and others, 1988).
Age: Possibly related to the Late Cretaceous, Maybe Creek pluton which is 68.3 Ma (Bundtzen, Laird, and Lockwood, 1988).
Alteration: Associated with hornfels near monzonite pluton.
Commodities (Major) - Ag, Pb; (Minor) - As, Hg
Development Status: None
Deposit Model: Polymetallic vein? (Cox and Singer, 1986; model 22c).
Commodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.List of minerals for each chemical element
Other Databases
| Link to USGS - Alaska: | ID083 |
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Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Farewell buried DomainDomain
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References
