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Hubbard Tungsten Mine (Long Hill Mine; Old Tungsten Mine; Old Mine Park), Trumbull, Fairfield Co., Connecticut, USA

Old tungsten mine and listing includes nearby topaz locality.

First tungsten deposit discovered in North America.

Originally called Hubbard Mine in the nineteenth century.





References:
Shepard, Charles U. (1837). A Report on the Geological Survey of Connecticut.

Hobbs, W. H. (1901). The old tungsten mine in Trumbull, Conn. (USGS Annual Report 22:7-22).

Hoadley, Charles W. (1918). An American Occurrence of Cronstedtite (American Mineralogist 3:6).

Shannon, Earl V. (1921). The Old Tungsten Mine in Trumbull, Connecticut (American Mineralogist 6:126-128).

Blatz, Paul T. (1938). The Old Tungsten Mine in Trumbull, Connecticut (Rocks & Minerals 13(8):236-237).





Map Reference: 41°14'30"N , 73°12'0"W

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Mineral List:
Actinolite
Albite
var: Oligoclase
Almandine
Analcime
Andradite ?
Apatite-(CaF)
Arsenopyrite
Augite
Baryte
Beryl
Biotite
Bismuth
Bornite
Calcite
Chalcopyrite
Clinozoisite
Cronstedtite
Diaspore
Diopside
Epidote
Euclase
Ferberite
Ferricopiapite
Fluorite
var: Chlorophane
Galena
var: Argentiferous Galena
Gold
Hematite
'Hornblende'
Hypersthene
Ilmenite
Jarosite
Limonite
Malachite
Marcasite
Margarite
Melanterite
Muscovite
Opal
var: Opal-AN

Pargasite
Phlogopite
Pickeringite
'Prochlorite'
Pyrite
Pyrolusite
'Pyroxene Group'
Pyrrhotite
Quartz
Rutile
'Scapolite'
Scheelite
Siderite
Silver
Sphalerite
Talc
Titanite
Topaz
'Tourmaline'
Tungstenite
Tungstite
Wolframite
Zoisite ?


64 entries listed. 50 valid minerals. 1 erroneous literature entry.

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Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in Connecticut, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 28th Oct 2009 23:33:54