Merrill's Silver; Sunshine Mt. Silver Prospect, Haines, Alaska, USAi
| Regional Level Types | |
|---|---|
| Merrill's Silver; Sunshine Mt. Silver Prospect | Prospect |
| Haines | City Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
59° 23' 23'' North , 136° 4' 12'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Mosquito Lake | 309 (2011) | 15.5km |
Location: This prospect is north of the Little Salmon River at an elevation of approximately 700 feet; it is approximately 1.1 miles, S32W from VABM 1720 ('Knob'). It is approximately 6 miles west of the village of Klukwan in the NE1/4, section 1, T. 29 S., R. 55 E. of the Copper River Meridian. It is shown as locations 214 to 218 by Still and others (1984); site M by Still and others (1987); site K by Gilbert and Redman (1989); and number S016 by Wells and others (1986).
Geology: Still and others (1991) describe this as a silver prospect that consists of silver-bearing, galena-sphalerite-quartz veins in dolomite and argillite. They collected rock samples that contained up to 610.3 ppm silver, 15.7% lead, 5.8% zinc, 0.471 ppm gold, and 1,640 ppm copper. Sample descriptions include: 'quartz vein with sphalerite, galena pyrite, and malachite(?)', 'quartz-gossan breccia with galena' and 'quartz-calcite breccia with galena and sphalerite'. The Devonian to Mississippian age of the carbonate host rocks (Gilbert and others, 1987) establishes a maximum age for the mineralization. However, the quartz-sulfide veins are probably of Tertiary age based on the 29.3 + 1 to 33.0 + 1 m.y. age of nearby intrusive bodies (Gilbert and others, 1987).
Workings: According to Still and others (1991), this prospect is in an area penetrated by overgrown logging roads, with few outcrops. It was discovered by Merrill Palmer in 1980.
Age: The Devonian to Mississippian age of the carbonate rocks that host the deposit (Gilbert and others, 1987) establishes a maximum age for the mineralization. However, the quartz-sulfide veins are probably of Tertiary age, based on the 29.3 + 1 to 33.0 + 1 m.y. age of nearby intrusive bodies (Gilbert and others, 1987).
Commodities (Major) - Ag, Pb, Zn; (Minor) - Au, Cu
Development Status: None
Deposit Model: Silver-bearing quartz-sulfide veins in dolomite and argillite (Cox and Singer,
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
3 valid minerals.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Galena | 2.CD.10 | PbS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Galena | PbS |
| S | ⓘ Sphalerite | ZnS |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS - Alaska: | SK037 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Alexander DomainDomain
- Alexander TerraneVolcanic Arc
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