Search results
Results from the WOW.Com Content Network
Azurite or Azure spar [5]: 14 is a soft, deep-blue copper mineral produced by weathering of copper ore deposits. During the early 19th century, it was also known as chessylite , after the type locality at Chessy-les-Mines near Lyon , France . [ 3 ]
The Rush Historic District is a zinc mining region of the Ozark Mountains in Arkansas. Now located within Buffalo National River , the district includes ruins dating from 1880 to 1940. The area was an important part of what became known as the North Arkansas Lead and Zinc District , and played a role in the development of railroads and modern ...
The best known and most prolific zinc mining region of north Arkansas for many years was the Rush Creek mining district of Marion County. Its history began when John Wolfer—an early prospector along the Buffalo River —discovered a large deposit of zinc on the creek in southern Marion County.
Initially, Arkansas bauxite met 90% of US aluminum demand. Underground mining before and during World War II gave way to open pit mining in the 1960s. During the war, up to six million tons were mined in 1943. Arkansas bauxite mines were often passed over in favor of higher quality bauxite reserves in the Caribbean and mining ceased in 1982.
The following are tallies of current listings in Arkansas on the National Register of Historic Places. These counts are based on entries in the National Register Information Database as of April 24, 2008 [2] and new weekly listings posted since then on the National Register of Historic Places web site. [3]
Thanks to David Yurman, the American Museum of Natural History has opened a new exhibit of sparkling quartz crystals. 4,000 Pounds of Crystal Mined in Arkansas Are Now on Glorious Display in NYC ...
The Arkansas Museum of Natural Resources is a museum and Arkansas state park in Smackover, Arkansas, in the United States. The museum was formed in the 1980s to tell the history of the petroleum industry and later the brine industry as key economic movements spurred by natural resources in South Arkansas .
Plum Bayou Mounds Archeological State Park (), formerly known as "Toltec Mounds Archeological State Park", [3] also known as Knapp Mounds, Toltec Mounds or Toltec Mounds site, is an archaeological site from the Late Woodland period in Arkansas that protects an 18-mound complex with the tallest surviving prehistoric mounds in Arkansas.