Unnamed Occurrence (ARDF - MD081), Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - MD081) | - not defined - |
| Yukon-Koyukuk Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
63° 27' 36'' North , 154° 33' 0'' West
Latitude & Longitude (decimal):
Köppen climate type:
The unamed (MD081) occurrence is on land selected or conveyed to Doyon Ltd. For further information, contact Doyon Ltd. at 210 1st Ave., Fairbanks, Alaska, 99701.
Location: This occurrence is located on southern flanks of Mystery Mountains at approximately 1,500 feet (457 m) elevation in Section 35, T. 23 S., R. 22 E., of the Kateel River Meridian. Location is imprecise and judged to be within a two mile (3.2 km) radius.
Geology: Occurrence consists of tourmaline-bearing altered dacite porphyry with iron oxide spots after pyrite. Anomalous silver, lead, and arsenic values occur in grab samples; elevated levels of antimony, copper, zinc, and tin also occur. Limited assay data is provided in King and others (1980) and Patton and Moll (1983).
Workings: Not indicated; see Patton and Moll (1983) and King and others (1980) for analytical data.
Alteration: Tourmaline.
Reserves: None.
Commodities (Major) - Ag, As, Pb; (Minor) - Cu, Sb, Sn, Zn
Development Status: No
Deposit Model: Polymetallic Vein (Cox and Singer, 1986; model no. 22c)
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
Detailed Mineral List:
| ⓘ 'Tourmaline' Formula: AD3G6 (T6O18)(BO3)3X3Z |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Unclassified | |||
|---|---|---|---|
| ⓘ | 'Tourmaline' | - | AD3G6 (T6O18)(BO3)3X3Z |
List of minerals for each chemical element
| B | Boron | |
|---|---|---|
| B | ⓘ Tourmaline | AD3G6 (T6O18)(BO3)3X3Z |
| O | Oxygen | |
| O | ⓘ Tourmaline | AD3G6 (T6O18)(BO3)3X3Z |
Other Databases
| Link to USGS - Alaska: | MD081 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Farewell-McGrath DomainDomain
- Farewell TerranePassive Margin
USA
- Alaska
- Yukon-Koyukuk Census Area
- McGrath Mining DistrictMining District
- Yukon-Koyukuk Census Area
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