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Gold from
Great Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex Co., Connecticut, USA

Description
Comments:"Native gold, generally as micron sized grains, is found, along with pyrite and chalcopyrite, in a network of thin fractures and veins cutting the arsenopyrite. Although much of the gold is very fine grained and is difficult to see, even with a strong hand lens, grains up to a mm are present" Gray (2005)
Habit:micron to mm-sized grains
Quality of samples:Poor for species, only of interest for locality collectors. (#)
Rarity at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Visual Identification
References
References:Chomiak, B. A. (1989): An integrated study of the structure and mineralization at Great Hill, Cobalt, Connecticut [M.S. thesis]: University of Connecticut, Storrs, Connecticut, 288 p.
Data
Mineral Data:Click here to view Gold data
Locality Data:Click here to view Great Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex Co., Connecticut, USA
Nearest other occurrences of Gold
65.0km (40.4 miles) Old Mine Park (Lane’s Mine of Trumbull; Hubbard Mine; Long Hill Mine; Old Tungsten Mine), Long Hill, Trumbull, Fairfield Co., Connecticut, USA
85.7km (53.2 miles) Ridgefield, Fairfield Co., Connecticut, USA
93.3km (58.0 miles) Tilly Foster Iron Mine, Brewster, Town of Southeast, Putnam Co., New York, USA
107.0km (66.5 miles) Betts Manganese Mines (Anson Betts Mine; Plainfield Manganese Mines), Plainfield, Hampshire Co., Massachusetts, USA
120.1km (74.6 miles) McCoy's Gold Mine, Camp Smith, Peekskill, Westchester Co., New York, USA
125.2km (77.8 miles) Davis Pyrite Mine (Davis Mine; Davis Sulfur Ore Mine), Rowe, Franklin Co., Massachusetts, USA
134.2km (83.4 miles) Needham, Norfolk Co., Massachusetts, USA
136.2km (84.6 miles) Dedham, Norfolk Co., Massachusetts, USA
145.2km (90.2 miles) Abington, Plymouth Co., Massachusetts, USA
151.7km (94.2 miles) Nashaquitsa Cliffs, Chilmark, Martha's Vineyard, Dukes Co., Massachusetts, USA
153.1km (95.1 miles) Ellenville Mine (Ellenville Lead Mine; Ulster mine), Ellenville, Wawarsing, Ulster Co., New York, USA
156.7km (97.3 miles) Newfane, Windham Co., Vermont, USA
156.9km (97.5 miles) North American Coal & Mining Company Mine (Red Bridge Mine), Spring Glen, Wawarsing, Ulster Co., New York, USA
163.6km (101.7 miles) Lynnfield, Essex Co., Massachusetts, USA
175.8km (109.3 miles) Boxford, Essex Co., Massachusetts, USA
176.9km (109.9 miles) Topsfield, Essex Co., Massachusetts, USA
186.9km (116.1 miles) Quimby Mountain gold locality, Hooksett, Merrimack Co., New Hampshire, USA
195.3km (121.4 miles) Stelton neighborhood, Edison, Middlesex Co., New Jersey, USA
212.1km (131.8 miles) Buffalo Brook (Gold Brook), Tyson, Plymouth, Windsor Co., Vermont, USA
212.5km (132.1 miles) Blue Fox Mine, Plymouth, Windsor Co., Vermont, USA
218.9km (136.0 miles) National Refuge borehole (NR1), Great Bay National Wildlife Refuge, Newington, Rockingham Co., New Hampshire, USA
250.5km (155.6 miles) Boston-Acton mine, Acton, York Co., Maine, USA
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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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