Alaska-Juneau Tailings; AJ Mill Dump Mine, Juneau Mining District, Juneau, Alaska, USAi
| Regional Level Types | |
|---|---|
| Alaska-Juneau Tailings; AJ Mill Dump Mine | Mine |
| Juneau Mining District | Mining District |
| Juneau | City Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
58° 17' 17'' North , 134° 23' 13'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Juneau | 32,756 (2017) | 2.5km |
Location: This man-made placer mine is on the northeast shore of Gastineau Channel, 1 mile southeast of Juneau and 3/4 mile north of Douglas. It is in center of the NW1/4 section 25, T. 41 S., R. 67 E. of the Copper River Meridian. The location is accurate.
Geology: This man-made placer deposit consists of mine tailings from the Alaska-Juneau mill which processed ore from several mines near Juneau. including the Alaska-Juneau (JU165), Perseverance (JU168), Ebner (JU149), and other mines. The deposit comprises processed mill tailings and hand sorted, rejected waste rock. It has been worked intermittently since 1948 and has produced more than of 7,106 ounces of gold, 1,663 ounces of silver, 2,800 pounds of lead and 1,400 pounds of copper (Redman and others, 1989). There is an estimated resource of 47 million tons of tailings of unknown grade (Redman and others, 1989). The property is now the site of a petroleum tank farm but a portion of the tailings are currently (2001) being processed on a small scale by a Juneau-based company.
Workings: The deposit has been worked intermittently since 1948 and is now the site of a petroleum tank farm but a portion of the tailings are currently (2001) being processed for their metal values on a small scale by a Juneau-based company.
Age: Holocene.
Production: The deposit comprises processed mill tailings and hand sorted, rejected waste rock. It has been worked intermittently since 1948 and has produced more than of 7,106 ounces of gold, 1,663 ounces of silver, 2,800 pounds of lead, and 1,400 pounds of copper (Redman and others, 1989). A portion of the tailings are currently (2001) being processed for their metal values on a small scale by a Juneau-based company.
Reserves: There is an estimated resource of 47 million tons of tailings of unknown grade (Redman and others, 1989).
Commodities (Major) - Ag, Au, Cu, Pb; (Minor) - W, Zn
Development Status: Yes
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
8 valid minerals.
Detailed Mineral List:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Galena Formula: PbS |
| ⓘ Ilmenite Formula: Fe2+TiO3 |
| ⓘ Native Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Scheelite Formula: Ca(WO4) |
| ⓘ Sphalerite Formula: ZnS |
| ⓘ Zircon Formula: Zr(SiO4) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Galena | 2.CD.10 | PbS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Scheelite | 7.GA.05 | Ca(WO4) |
| Group 9 - Silicates | |||
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Ilmenite | Fe2+TiO3 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Scheelite | Ca(WO4) |
| O | ⓘ Zircon | Zr(SiO4) |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Zircon | Zr(SiO4) |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Galena | PbS |
| S | ⓘ Sphalerite | ZnS |
| Ca | Calcium | |
| Ca | ⓘ Scheelite | Ca(WO4) |
| Ti | Titanium | |
| Ti | ⓘ Ilmenite | Fe2+TiO3 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Ilmenite | Fe2+TiO3 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| Zr | Zirconium | |
| Zr | ⓘ Zircon | Zr(SiO4) |
| W | Tungsten | |
| W | ⓘ Scheelite | Ca(WO4) |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS - Alaska: | JU181 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Taku DomainDomain
- Yukon-TananaVolcanic Arc
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Alaska-Juneau Tailings; AJ Mill Dump Mine, Juneau Mining District, Juneau, Alaska, USA