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The Old Mine Park Archaeological Site is a historic site in the Long Hill, Trumbull, Connecticut section of Trumbull, Connecticut. It was mined from 1828 to 1920 and during 1942-1946, and has been incorporated in a municipal park. It was added to the National Register of Historic Places in 1990. ==Historical significance== (詳細はSome time around 1818, Ephraim Lane took some samples of rocks he found at Saganawamps to Yale University Professor Benjamin Silliman for identification. Silliman reported, in his new American Journal of Science, that he had identified tungsten, tellurium, topaz and fluorite. Shortly after the articles were published, Ephraim Lane was making specimens available to collectors at a price and apparently to protect his supply of minerals, Lane acquired a lease to in Trumbull later to be known as "Shagamywamps the mine lot" in 1828 from Elijah Hawley.〔History and Minerals of Old Mine Park (Saganawamps), Earle Sullivan, Trumbull Historical Society, 1985, p. 8〕 Lane then leased the land to Thomas R. Hubbard. In 1837 the first (and at the time only) prismatic barite ore of tungsten in the United States was discovered at the mine. It was scientifically studied in 1887 by Adolph Gurlt of the University of Bonn. The area has previously been mined for copper, silver, lead and gold as well as limestone. The Hubbard Mine for tungsten was operated by the Rare Minerals Company from 1898 and later by the American Tungsten Mining and Milling Company, ceasing operations after a fire in 1916.〔http://pubs.acs.org/doi/abs/10.1021/ed019p215〕〔http://www.trumbullhistory.org/oldmines/〕 Besides tungsten, the mine was also a source of beryl, opal, topaz, tourmaline and 60 other crystals and minerals in varying quantities.〔http://www.mindat.org/loc.php?loc=23342&ob=4〕 Later on the site was demolished and a Home Depot was built on the site. The site is closed. 〔http://www.johnbetts-fineminerals.com/jhbnyc/trips/trumbull.htm〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Old Mine Park Archeological Site」の詳細全文を読む スポンサード リンク
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