The Minerals of North CarolinaU.S. Government Printing Office, 1891 - 119 Seiten |
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3d series Abstract Acad actinolite Alexander County analyses Animikie Archean asbestus associated basin beds bowlders Bull Burke calcite Cambrian Canada Carboniferous chalcopyrite chlorite chrysolite Clay coal Colorado Congress of Geologists corundum Creek Cretaceous crystalline crystals Culsagee cyanite DANA DAWSON deposits Description Devonian discussion drift eastern EMMONS epidote equivalency fauna Ferrous oxide formations fossils galenite garnet geologic map geologic relations Geological Survey Geologist geology glacial gold granites granular hematite HILL Hist Huronian Inst International Congress Iowa iron Kansas Kentucky Lake limestone limonite Macon County magnetite MARCOU Mesozoic miles mine.-Gold mineral Mining Jour Minnesota Mitchell County Mountain muscovite Naturalist NEWBERRY North occurrence Ohio origin orthoclase Paleozoic Pennsylvania placers Proc pyrite quartz reference region Report River rocks rutile sandstone Science serpentine SHALER Silurian Staten Island stratigraphy structure Taconic Tertiary Texas tions tourmaline Trans U. S. Geol UPHAM valley volcanic WALCOTT WINCHELL York
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Seite 99 - Preliminary report on some graptolites from the lower Paleozoic rocks on the south side of the St. Lawrence from Cape Rosier to Tartigo River, from the north shore of the Island of Orleans, one mile above Cape Rouge, and from the Cove Fields, Quebec: Royal Soc.
Seite 60 - ... massive serpentine, also with seams of greenish and grayish white chrysotile is found at the Baker mine in Caldwell County, at which place are also found the varieties marmolite and picrolite; this last also occurs abundantly in the Buck Creek corundum mine, Clay County.
Seite 104 - Report on the geological structure of a portion of the Rocky Mountains, accompanied by a section measured near the 51st parallel.
Seite 75 - Carolina, and formerly has been quite abundant at the Silver Hill mine, which furnished very handsome specimens of hexagonal prisms and crystalline aggregations of different shades from colorless almost to black, also honey and wax yellow, green, brown, etc.; less abundant, and mostly of a yellowish green color, it is found at Silver Valley, Davidson county. In green and yellowish green crystals, at the Troutman and McMakin mines, in Cabarrus county; also, at the Stewart mine, in Union county, and...
Seite 35 - ... Alex. Lackley's, Misses Bennett's, Thomas Adams' and Mrs. Smith's farms in Iredell County ; at Dietz's, Van Horn's and Hildebrand's in Burke County. Associated with and penetrating quartz (amethyst) forming in many instances beautiful specimens of rutilated quartz (Venus hair stone). It has been found in brownish amethyst at the head of Honey Creek, Wilkes County; in amethyst at Huffman's and D. Lutz's in Catawba County ; and near Concord, Cabarrus County ; in the northwest corner of Lincoln...
Seite 13 - Polk, Cleveland, Cherokee, Jackson, Transylvania and Watauga. It is generally more or less alloyed with silver, varying from pure gold on the one side to pure silver on the other. Near the surface it is usually associated with limonite and at a greater depth of the deposits with pyrite, chaleopyrite, galenite, zincblende, tetradymite, arsenopyrite.
Seite 152 - The Upper Beaches and Deltas of the Glacial Lake Agassiz. (US Geol.
Seite 150 - Report on a part of northern Alberta, and portions of adjacent districts of Assiniboia and Saskatchewan.
Seite 21 - Andrews informed me that a very beautiful diamond of considerable size, like a small chinkapin, and of black color, had been found at the same locality, by three persons, while washing for gold. In their ignorance, believing that it could not be broken, they smashed it to pieces. Dr. Andrews tested the hardness of a fragment, which scratched corundum with facility, proving it to be a diamond. A very beautiful octahedral diamond of first water has been found many years ago at the Portis
Seite 29 - MENACCANITE. Many of the titaniferous iron ores are mixtures of true magnetite and menaccanite, others belong to this species and others again are really magnetites, in which a portion of the iron is replaced by titanium. Our present knowledge of these ores is too limited to put all the varieties, occurring in the State, with certainty at the place where they belong. Those from the following localities, appear to belong under this head...