Collector's Guide to the Balmat Mining District: St. Lawrence County, New York - Chamberlain, Steve; Lupulescu, Marian; Bailey, David G.
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The Balmat Mining District in southern St Lawrence County, New York, is a former mining site known among collectors for its highly prized minerals. For more than 100 years, it was one of the world's most important sources of talc and zinc. Because most of the zinc ore was crushed underground and brought to the surface for separation, only mineral specimens brought out by miners and geologists have survived. Outstanding specimens from both the talc and zinc mines, preserved in only a few collections, are featured in this book -- many for the first time. Some of the fine specimens included are…mehr

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Produktbeschreibung
The Balmat Mining District in southern St Lawrence County, New York, is a former mining site known among collectors for its highly prized minerals. For more than 100 years, it was one of the world's most important sources of talc and zinc. Because most of the zinc ore was crushed underground and brought to the surface for separation, only mineral specimens brought out by miners and geologists have survived. Outstanding specimens from both the talc and zinc mines, preserved in only a few collections, are featured in this book -- many for the first time. Some of the fine specimens included are hexagonite, manganocummingtonite, groutite, calcite, sphalerite, and magnetite. With over 200 photographs, this book is the first comprehensive description of the history, geology, and mineralogy of this important mining district.
Autorenporträt
Dr. Steven C. Chamberlain is coordinator of the Center for Mineralogy at the New York State Museum. Dr. Marian V. Lupulescu is curator of geology at the New York State Museum. Dr. David G. Bailey is professor of geology at Hamilton College. William F. deLorraine was the chief geologist of the zinc mines in the district for 42 years. Dr. George W. Robinson is a retired curator who has authored more than 120 publications.