Hercules Mine, Castine, Blue Hill - Castine Mining District, Hancock County, Maine, USAi
| Regional Level Types | |
|---|---|
| Hercules Mine | Mine |
| Castine | Hamlet |
| Blue Hill - Castine Mining District | Mining District |
| Hancock County | County |
| Maine | State |
| USA | Country |
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Latitude & Longitude (WGS84):
44° 25' 45'' North , 68° 44' 53'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Penobscot | 1,397 (2017) | 4.9km |
| Castine | 1,029 (2017) | 6.2km |
| Brooksville | 947 (2017) | 10.5km |
| Stockton Springs | 1,540 (2017) | 10.9km |
| North Penobscot | 461 (2017) | 12.4km |
Mindat Locality ID:
7602
Long-form identifier:
mindat:1:2:7602:2
GUID (UUID V4):
d3ee771e-e40f-4cb4-adc6-19cbaffe156c
Other/historical names associated with this locality:
Hercules Dunbar Mine
A Pb-Zn-silica-pyrite occurrence/prospect/ mine located N of Castine, on the N side of Bagaduce Narrows; in the SW corner of Tills Cove. Exposed at low tide. This locality was opened during the Maine Silver Rush of 1880. As was typical of Maine metal mines opened in the time period, the companies were failures and often had fraudulently or mistakenly identified minerals. Many of these mines were supposedly silver mines, but the only "silver" source was low-grade galena. Native silver was never found. The USGS MRDS database stated accuracy for this locality is 100 meters.
Mineralization is a polymetallic sulfide deposit (Mineral occurrence model information: Model code: 184; USGS model code: 28a; Deposit model name: Massive sulfide, kuroko; Mark3 model number: 93).
Workings include underground openings comprised of a two-compartment shaft 80 feet deep exposed only at low tide. At High Tide It Is 115 Ft Offshore. . Diamond drilled by Dennison Mines, Ltd., with Bruce Bouley, in 1964. Sulfide-bearing vein crops out 350 feet SW of the main shaft along the high tide shoreline.
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
7 valid minerals.
Detailed Mineral List:
| β Chalcopyrite ? Formula: CuFeS2 |
| β 'Chlorite Group' |
| β Galena Formula: PbS |
| β 'Garnet Group' Formula: X3Z2(SiO4)3 |
| β Hematite Formula: Fe2O3 |
| β Hematite var. Specularite Formula: Fe2O3 |
| β 'Mica Group' |
| β Pyrite Formula: FeS2 |
| β Pyrrhotite ? Formula: Fe1-xS |
| β Quartz Formula: SiO2 |
| β Sphalerite ? Formula: ZnS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| β | Sphalerite ? | 2.CB.05a | ZnS |
| β | Chalcopyrite ? | 2.CB.10a | CuFeS2 |
| β | Pyrrhotite ? | 2.CC.10 | Fe1-xS |
| β | Galena | 2.CD.10 | PbS |
| β | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| β | Hematite | 4.CB.05 | Fe2O3 |
| β | var. Specularite | 4.CB.05 | Fe2O3 |
| β | Quartz | 4.DA.05 | SiO2 |
| Unclassified | |||
| β | 'Chlorite Group' | - | |
| β | 'Mica Group' | - | |
| β | 'Garnet Group' | - | X3Z2(SiO4)3 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | β Hematite | Fe2O3 |
| O | β Quartz | SiO2 |
| O | β Hematite var. Specularite | Fe2O3 |
| O | β Garnet Group | X3Z2(SiO4)3 |
| Si | Silicon | |
| Si | β Quartz | SiO2 |
| Si | β Garnet Group | X3Z2(SiO4)3 |
| S | Sulfur | |
| S | β Chalcopyrite | CuFeS2 |
| S | β Galena | PbS |
| S | β Pyrite | FeS2 |
| S | β Pyrrhotite | Fe1-xS |
| S | β Sphalerite | ZnS |
| Fe | Iron | |
| Fe | β Chalcopyrite | CuFeS2 |
| Fe | β Hematite | Fe2O3 |
| Fe | β Pyrite | FeS2 |
| Fe | β Pyrrhotite | Fe1-xS |
| Fe | β Hematite var. Specularite | Fe2O3 |
| Cu | Copper | |
| Cu | β Chalcopyrite | CuFeS2 |
| Zn | Zinc | |
| Zn | β Sphalerite | ZnS |
| Pb | Lead | |
| Pb | β Galena | PbS |
Other Databases
| Link to USGS MRDS: | 10100487 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Ganderia DomainDomain
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References
