Sphalerite Vein Quartz Occurrence
Farmington, Connecticut
41.7072°N 72.8295°W
Mine Overview
The Sphalerite Vein Quartz Occurrence is near Farmington, Connecticut. Historically the site has been part of the Farmington Mining District. Ore mineralization has been found at this location, however the precise grade, tonnage, and extent of the mineralization are not known. There has been no production and little to no activity other than routine claim maintenance since the mineral discovery. The ore mined is composed of prehnite, sphalerite and calcite. The mineralization at this location is from the Upper Triassic epoch 237.00 to 201.30 million years ago. The New England Upland Section of the Appalachian Highlands characterize the geomorphology of the surrounding area.
Site identification and general characteristics. Learn about USGS mines.
Commodities
Additional textual information about a site or mine.
- Commodity Type Importance
- Sulfur Non-Metallic Primary
- Zinc Metallic Primary
Deposit
SIMPSON'S MAP AT 1:24000 LOCATES OCCURRENCE BY LETTER SYMBOL.; INFORMATION SOURCE: 1 PUB LIT.
Location Info
- Hartford , Connecticut County / State
- Continent Country State County
- North America The United States Connecticut Hartford
Development
TOTAL$: US
Geology
CLOSELY FAULTED CONN. VALLEY BASIN. SHUTTLE MEADOW UNDERLAIN BY TALCOTT BASALT FLOWS; NEAR CONTACT WITH OVERLYING HOLYOKE BASALT FLOWS.
Rocks
Geological materials at the site.
Physiography
Physiographic area where the resource is found.
- Division Province? Section
- Appalachian Highlands New England Province New England Upland Section
Ore Control
Controls on emplacement of ore such as faults or other structural features.
- Text?
- Fault Zone
Reserve-resource
INFORMATION LACKING. PROBABLY ONLY SMALL AMOUNT OF LOW GRADE SPHALERITE ORE AVAILABLE FROM SMALL FAULT ZONE.
Nearby Deposits
Other deposits in the same region.
-
Bristol Copper Mine
- Copper commodity Site type Mine status
- Hartford, Connecticut
- Paleozoic Replacement Eve
- Underground
- 4.60 miles
-
Mattabesset River Lead Mine
- Lead commodity Site type Mine status
- Hartford, Connecticut
- 6.26 miles
-
Unnamed Lead Mine
- Lead commodity Site type Mine status
- Hartford, Connecticut
- Surface
- 6.30 miles
-
American Steel And Aluminum Processing Plant
- Iron commodity Site type Plant status
- Hartford, Connecticut
- Smelting Plant
- (Ferro Alloy Plant)
- Processing Plant
- 7.28 miles
-
Magnetite Iron Mine
- Iron commodity Site type Mine status
- Hartford, Connecticut
- Surface
- 7.81 miles
-
Unnamed Magnetite Occurrence
- Iron commodity Site type Occurrence status
- Hartford, Connecticut
- 7.94 miles
-
Unnamed Lead Mine
- Lead commodity Site type Mine status
- Hartford, Connecticut
- Surface
- 9.43 miles
-
Unnamed Copper Mine
- Copper commodity Site type Mine status
- Hartford, Connecticut
- Metamorphosed Sedimentary
- 9.87 miles
-
Unnamed Copper Mine
- Copper commodity Site type Mine status
- New Haven, Connecticut
- Surface
- 10.32 miles
-
New Haven Mineral Company Barite Mine
- Barium-Barite commodity Site type Mine status
- New Haven, Connecticut
- 11.35 miles
Nearby Places
- Farmington (0.88 miles away)
- Plainville (2.69 miles away)
- New Britain (4.09 miles away)
- Newington (5.49 miles away)
- Kensington (5.87 miles away)
- West Hartford (5.89 miles away)
- Bristol (6.64 miles away)
- Avon (7.08 miles away)
- Berlin (7.33 miles away)
- Southington (8.04 miles away)
- Burlington (8.17 miles away)
- Hartford (8.40 miles away)
- Collinsville (8.66 miles away)
- Canton (8.75 miles away)
- Wethersfield (9.13 miles away)
- Canton Valley (9.34 miles away)
- Weatogue (9.43 miles away)
- Terryville (9.57 miles away)
- Bloomfield (9.70 miles away)
- Blue Hills (9.97 miles away)
- Rocky Hill (10.24 miles away)
- Wolcott (10.88 miles away)
- Glastonbury (11.42 miles away)
- West Simsbury (11.56 miles away)
Nearby Mining Districts
- Farmington Mining District (0 miles away)
- Bristol Mining District (4.01 miles away)
- Berlin Mining District (4.27 miles away)
Footnotes
* Mine bounds on map indicate the general area that a mine occupies. For an detailed map, refer to the overseeing BLM field office.
** The mine central point is based on an average of the mine's bounding box(es) and does not necessarily fall on the claim itself.
1 World-class significance is determined by total endowment of the contained commodity. This includes all past production and remaining reserves. Each commodity is considered separately and commodities cannot be combined to arrive at a significant size. The tonnage thresholds are from the mine model grade-tonnage studies. As of June 2008, many entries were classified as significant under less strict rules.
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Understanding Location Data
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Understanding Townships
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Notes
INFORMATION LACKING. FAULT TRENDS NORTH; ONE OF MANY IN AREA. FAULT IN SANDSTONE, SILTSTONE AND SHALE BEDS, ABOUT 270 TO 340 FEET THICK, WHICH ARE UNDERLAIN BY BASALT FLOWS, ABOUT 200 FEET THICK, WITH OCCURRENCE LOCATED NEAR CONTACT OF OVERLYING BASALT FLOWS, ABOUT 250 FEET THICK.