Duffie Mine, Gastonia, Gaston Co., North Carolina, USA
Latitude & Longitude (WGS84): | 35° 13' 24'' North , 81° 4' 50'' West |
---|---|
Latitude & Longitude (decimal): | 35.22333,-81.08056 |
GeoHash: | G#: dnq26unyy |
Locality type: | Mine |
KΓΆppen climate type: | Cfa : Humid subtropical climate |
REF:Analytical Data:: NITZE, 1896 ; SRC.REF: NITZE AND HANNA, 1896, P. 148.
Deposit:: NITZE, H. B. C., AND HANNA, G. B., 1896 , GOLD DEPOSITS OF NORTH CAROLINA, NORTH CAROLINA GEOLOGICAL SURVEY BULL. NO. 3 , TEXT 200 P., MINE TEXT P. 148 , LOCATED ON GOLD D
Commodities (Major) - Copper, Gold, Silver
Deposit Type: Hydrothermal Vein
Development Status: Past Producer
Deposit Model: 273: Low-sulfide Au-quartz vein
Host Rock: Diorite, Gabbro
Tectonic Structure: Kings Moutain Belt
Select Mineral List Type
Standard Detailed Strunz Dana Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
4 valid minerals.
Rock Types Recorded
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
β Chalcopyrite Formula: CuFeS2 Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
β 'commodity:Copper' Formula: Cu Reference: From USGS MRDS database |
β 'Diorite' Reference: From USGS MRDS database |
β 'Gabbro' Reference: From USGS MRDS database |
β Gold Formula: Au Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
β 'commodity:Gold' Formula: Au Reference: From USGS MRDS database |
β Pyrite Formula: FeS2 Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
β Quartz Formula: SiO2 Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
β 'commodity:Silver' Formula: Ag Reference: From USGS MRDS database |
List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements | |||
---|---|---|---|
β | 'Gold' | 1.AA.05 | Au |
Group 2 - Sulphides and Sulfosalts | |||
β | 'Chalcopyrite' | 2.CB.10a | CuFeS2 |
β | 'Pyrite' | 2.EB.05a | FeS2 |
Group 4 - Oxides and Hydroxides | |||
β | 'Quartz' | 4.DA.05 | SiO2 |
Unclassified Minerals, Rocks, etc. | |||
β | 'Diorite' | - | |
β | 'Gabbro' | - |
List of minerals arranged by Dana 8th Edition classification
Group 1 - NATIVE ELEMENTS AND ALLOYS | |||
---|---|---|---|
Metals, other than the Platinum Group | |||
β | Gold | 1.1.1.1 | Au |
Group 2 - SULFIDES | |||
AmBnXp, with (m+n):p = 1:1 | |||
β | Chalcopyrite | 2.9.1.1 | CuFeS2 |
AmBnXp, with (m+n):p = 1:2 | |||
β | Pyrite | 2.12.1.1 | FeS2 |
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks | |||
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si | |||
β | Quartz | 75.1.3.1 | SiO2 |
Unclassified Minerals, Rocks, etc. | |||
β | 'Diorite' | - | |
β | 'Gabbro' | - |
List of minerals for each chemical element
O | Oxygen | |
---|---|---|
O | β Quartz | SiO2 |
Si | Silicon | |
Si | β Quartz | SiO2 |
S | Sulfur | |
S | β Chalcopyrite | CuFeS2 |
S | β Pyrite | FeS2 |
Fe | Iron | |
Fe | β Chalcopyrite | CuFeS2 |
Fe | β Pyrite | FeS2 |
Cu | Copper | |
Cu | β Chalcopyrite | CuFeS2 |
Au | Gold | |
Au | β Gold | Au |
Regional Geology
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
Paleozoic 251.902 - 541 Ma ID: 3191508 | Paleozoic intrusive rocks Age: Phanerozoic (251.902 - 541 Ma) Lithology: Intrusive igneous rocks Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154] |
Cambrian - Neoproterozoic 485.4 - 1000 Ma ID: 2847055 | Felsic Metavolcanic Rock Age: Neoproterozoic to Cambrian (485.4 - 1000 Ma) Description: Metamorphosed dacitic to rhyolitic flows and tuffs, light gray to greenish gray; minor mafic and intermediate metavolcanic rock. Lithology: Major:{metarhyolite,metadacite}, Minor:{metavolcanic} Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133] |
Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License