Hollister Mica Beryl Prospect

Producer in Hartford county in Connecticut, United States with commodities Niobium (Columbium), Tantalum, Feldspar, Mica, Beryllium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10009143
MRDS ID D001834
Record type Site
Current site name Hollister Mica Beryl Prospect
Related records 10142861

Geographic coordinates

Geographic coordinates: -72.59252, 41.64799 (WGS84)

Site location context

Political divisions (FIPS codes)

Hartford(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Glastonbury(quadrangle 1:24,000 scale)

Hartford(quadrangle 1:100,000 scale)

Hartford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Outlet Connecticut River(hydrologic unit)

Lower Connecticut(hydrologic accounting unit)

Connecticut(hydrologic subregion)

New England(hydrologic region)

Geographic areas

Country State County
United States Connecticut Hartford

Commodities

Commodity Importance
Niobium (Columbium) Critical Primary
Tantalum Critical Primary
Feldspar Primary
Mica Primary
Beryllium Critical Primary

Comments on the commodity information

  • Worked Briefly For Feldspar 1930. Prospected For Feldspar and Mica 1943 By Fausto Bertolini. In 1943, Pit 65 Feet Long North-South, 20 Feet Wide East-West, 15 Feet Deep. Three Pegmatites, Each With Prospect Pits, Northern Pit Largest and Most Developed

Materials information

Materials Type of material
Feldspar Ore
Quartz Ore
Beryl Ore
Mica Ore
Tantalite Ore
Columbite Ore
Garnet Gangue
Plagioclase Gangue
Granite Gangue
Perthite Gangue

Mineral occurrence model information

Model code 33
USGS model code 13a
Deposit model name Be-Li pegmatites

Nearby scientific data

(1) -72.59252, 41.64799

Economic information

Comments on the geologic information

  • Geol.Desc: Part of Numerous Swarms of Northward Trending Dikes Mostly In Narrow Outcrop Zone of Collins Hill Schist But Also In Eastward Adjacent Lower Paleozoic Glastonbury Granite Gneiss and Westward Adjacent Pre-Ordovician Middletown Gneiss.

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Significant No

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SMALL PRODUCTION OF FELDSPAR ABOUT 1930 ; INFO.SRC : 1 PUB LIT
Deposit Small Production of Feldspar About 1930 ; Info.Src : 1 Pub Lit
Deposit Report In USGS Files. Stugard'S Geol. Map At 1:24000. Brookins' Gives Geochron Dates of 260 M. Y. For Similar Pegmatites. ; Info.Src : 1 Pub Lit

Reporter information

Type Date Name Affiliation Comment
Editor 10-MAR-2003 Nicholson, S.W. U.S. Geological Survey Combined This Record With Information From Record W000502: Then Deleted Record W000502
Reporter 01-APR-1972 D'Agostino, John P. U.S. Geological Survey
Reporter 01-APR-1975 Parker, Raymond L. U.S. Geological Survey
Updater 20-AUG-1997 Mchone, Nancy Connecticut Geological and Natural History Survey Added Model_Num And Model, Moved Point:Noted Duplicate Record Number W000502

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.