Unnamed Occurrence (ARDF - TN069; upper Little Minook Creek), Rampart Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - TN069; upper Little Minook Creek) | - not defined - |
| Rampart Mining District | Mining District |
| Yukon-Koyukuk Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
65° 27' 6'' North , 150° 0' 14'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This manganese lode corresponds to location 12 of Cobb (1972). It is on Little Minook Creek 3 miles upstream from the junction of Minook Creek, near the upstream end of the Little Minook Creek placer operations (TN066). The site is in the north half of section 10, T. 7 N., R. 12 W., of the Fairbanks Meridian (Burand and Saunders,1966). This location is accurate within 2000 feet.
Geology: The bedrock in Little Minook Creek consists of Triassic Rampart Group mafic intrusive and volcanic rocks and sedimentary rocks (Reifenstuhl and others, 1997 [RI 97-15a]). A manganese deposit is at the upstream end of the Little Minook Creek placer operations (TN066) (Burand and Saunders,1966; Cobb, 1972). The deposit crops out along the creek, and contains rhodochrosite or rhodonite. A stream-sediment sample collected a short distance upstream from this location contained no anomalous metals (Burand and Saunders,1966).
Workings: A stream-sediment sample collected a short distance upstream from this location contained no anomalous metals (Burand and Saunders,1966).
Commodities (Major) - Mn
Development Status: None
Deposit Model: Epithermal Mn (Cox and Singer, 1986; model 25g) or Replacement Mn (Cox and Sing
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: | TN069 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Angayucham TerraneAccretionary Complex
- Ruby DomainDomain
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