Burnett Fluorite Chalcopyrite Occurrence

Trumbull, Connecticut

41.2894°N 73.2195°W

Mine Overview

The Burnett Fluorite Chalcopyrite Occurrence is in Trumbull, Connecticut. Historically the site has been part of the Trumbull 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 malachite, chalcopyrite and fluorite with waste material consisting primarily of plagioclase, calcite and microcline. The mineralization at this location is from the Lopingian epoch 259.80 to 252.17 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.

Copper, Fluorine-Fluorite, and Iron Secondary Commodity
Site Record Type^?
Occurrence Development Status^?
Metallic Site Commodity Type^?

Mine Names

Name^? Status^?
Burnett Fluorite Chalcopyrite Occurrence Current

Commodities

Additional textual information about a site or mine.

Commodity Type Importance
Copper Metallic Tertiary
Fluorine-Fluorite Non-Metallic Tertiary
Iron Metallic Tertiary
Sulfur Non-Metallic Tertiary

Notes

OCCURRENCE ONLY. WOLFRAMITE CRYSTALS REPORTED; IN SAME GEOLOGIC SITUATION AS OLD TUNGSTEN MINE ABOUT 0. 5 MILE TO SW, WHERE WOLFRAMITE AND SCHEELITE MINED.

Deposit

CROWLEY'S MAP AT 1:24000 SHOWS MARBLE OCCURRENCE; INFORMATION SOURCE: 1 PUB LIT.

Location Info

Fairfield , Connecticut County / State

Continent Country State County
North America The United States Connecticut Fairfield

Mining Districts

Formal or informal mining district names.

District
Trumbull Mining District

Development

TOTAL$: US

Geology

BULK OF COLLINSVILLE HIGHLY METAMORPHOSED TUFFS AND PYROCLASTICS WITH NUMEROUS THICK AMPHIBOLITE, MARBLE, AND QUARTZITE LAYERS INTERBEDDED IN UPPERMOST PART OF SECTION; OVERLAIN BY THE STRAITS SCHIST OF HIGHLY METAMORPHOSED CLAY RICH SHALES AND SOME AMPHIBOLITES AND MARBLES OF CAMBRIAN ORDOVICIAN AGE.

Materials

Minerals or other materials present in the mine.

Role^? Material^?
Gangue/Waste Biotite
Gangue/Waste Calcite
Gangue/Waste Magnetite
Gangue/Waste Microcline
Gangue/Waste Muscovite
Gangue/Waste Plagioclase
Gangue/Waste Quartz
Ore Chalcopyrite
Ore Fluorite
Ore Malachite

Rocks

Geological materials at the site.

Class^? 1st Order Name^? 2nd Order Name^? 3rd Order Name^? 4th Order Name^? Most Specific Name^? Begin Time End Time Description^?
Associated Rock Plutonic Rock Mafic Intrusive Rock Diorite - Diabase Upper Triassic Upper Triassic -
Associated Rock Volcanic Rock (Aphanitic) Felsic Volcanic Rock Dacite - Dacite - - -
Mineralization - - - - - Lopingian Lopingian -

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^?
Vein Quartz Along Contact Of Thick Marble Bed And Underlying Amphibolite Schist

Reserve-resource

INFORMATION LACKING. PROBABLY ONLY SMALL AMOUNT OF SULFIDES AVAILABLE FROM THIN ZONE UNDERLYING SMALL MARBLE REMNANT.

Nearby Deposits

Other deposits in the same region.

Nearby Places

Monroe (3.04 miles away)
Trumbull (3.36 miles away)
Easton (4.76 miles away)
Shelton (6.82 miles away)
Derby (7.11 miles away)
Aspetuck (7.21 miles away)
Lyons Plain (7.94 miles away)
Ansonia (8.28 miles away)
Bridgeport (8.49 miles away)
Stratford (8.52 miles away)
Redding (8.55 miles away)
Greenfield Hill (8.65 miles away)
Newtown (9.64 miles away)
Milford (9.65 miles away)
Orange (10.09 miles away)
Weston (10.36 miles away)
Fairfield (10.49 miles away)
Seymour (10.51 miles away)
Southport (11.07 miles away)
Oxford (11.32 miles away)
Georgetown (11.42 miles away)
Bethel (11.56 miles away)
Branchville (11.63 miles away)
Woodbridge (11.79 miles away)

Nearby Mining Districts

Trumbull Mining District (0 miles away)
Monroe Mining District (2.18 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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