«CHALCEDONIC» 관련 영어 책
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1
U.S. Geological Survey professional paper
The irregular shape and small size are suggestive of bombs, lapilli, and other
agglomeratic fragments, but triangular chalcedonic fillings are reminiscent of the
chalcedonic fillings between most pillows in the area. The enclosing matrix is rich
in ...
Geological Survey (U.S.), 1965
2
Geological Survey Professional Paper
The breccia cement varies from clear, coarsely crystalline calcite to a mixture of
calcite and quartz (both micro- crystalline and chalcedonic forms) and generally
contains traces of dolomite, fluorite, barite, and clay, as shown by X-ray diffraction
...
Geological Survey (U.S.), 1985
3
Mineral frontiers on Indian lands
Silicification is especially well developed proximal to the upper chalcedonic
sinter terrace in Section 20. From the zone of silicification, rock samples were
collected above and below the upper sinter terrace. The grade from the silicified
zone for ...
United States. Bureau of Indian Affairs. Division of Energy and Mineral Resources, 1991
Cerise sky at night Pilgrims' sunset delight Cerise in a chalcedonic sky In the
morning Druids upmost furthermore dawning To rise to the sense and the colour
forthwith Is to rise in my first morning Meeting the spectral ghost of our lord In the
...
Derek Peter Thornton, 2011
5
Summary of Rock Salt Deposits in the United States as ...
Later hydrothermal solutions must have been almost entirely siliceous, for the
pipes are cut by abundant chalcedonic silica veins and veinlets, are largely
cemented with chalcedonic silica, and contain fragments of brecciated
chalcedonic ...
William Gamewell Pierce, Ernest Isaac Rich, 1962
6
The Iron Ores of Minnesota: Their Geology, Discovery, ...
Pyrite, especially, seems to have been of very early date, since it occurs in some
places in large quantities deep in the mines, and as bright cubic crystals(as on
Stuntz island) in pure, white, chalcedonic pebbles which are involved with other ...
Newton Horace Winchell, Horace Vaughn Winchell, 1801
7
Geology and Structure of Winters Creek, Jerritt Canyon ...
Multiple generations of quartz veins contain both euhedral quartz and
chalcedonic quartz. In general, chalcedonic quartz veins and carbonate veins
cross cut the euhedral quartz veins. Many of the thicker chalcedonic veins have
coarsely ...
8
Pelagic Sediments - on Land and Under the Sea: Special ...
Those which are lussatitic are comparatively smooth surfaced, but others, which
are recrystallized to chalcedonic quartz, resemble scanning electron micrographs
of etched chalcedonic Radiolaria which occur in Jurassic cherts from north-west ...
Kenneth J. Hsü, Hugh C. Jenkyns, 2009
9
Great House Communities Across the Chacoan Landscape
Southern San Juan Basin: chalcedonic temper; cherts from the Zuni Mts. (1072)
and the Morrison Formation (1040). Western San Juan Basin: trachyte temper;
cherts from Washington (Nabona) Pass (1080) and the Morrison Formation (1040
).
John Kantner, Nancy M. Mahoney, 2000
10
Transactions of the Geological Society of London: S.2: Vol. 1-5
Fig. PLATE l0. Agate pebbles from the hill of Kinnoul in Perthshire. l. Represents
a hollow nodule containing small chalcedonic stalactites. It is placed in the same
position which it appears to have occupied in the rock where it was formed.
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Linda Caron, P.Eng Returns to PDL Property on Behalf of Victory …
The silicified zone, with local fine chalcedonic veinlets, is enveloped by a much wider zone of pervasive argillic (clay) alteration in the volcanic ... «Stockhouse, 4월 15»
Corvus Gold Initiates 2015 Drilling Program, North Bullfrog Project …
The Liberty Vein exposed at surface is unmineralized but contains fragments of banded chalcedonic vein, similar to the YellowJacket veins, ... «Junior Mining Network, 4월 15»
Erdene Intersects Multiple High Grade Gold-Polymetallic Zones at …
Quartz veins typically have comb, colloform and crustiform textures, although some late-stage veins have chalcedonic quartz. Ore minerals ... «Marketwired, 2월 15»
Santana Minerals intersects gold, silver in Mexico
Drilling intersected 1 - 1.7 metre wide (down hole) colloform banded, chalcedonic quartz with massive galena, low temperature white sphalerite ... «Proactive Investors Australia, 1월 15»
Walker Lane Exploration, Inc Adds Third Gold Property to its Portfolio
The chalcedonic alteration is found within the cuttings piles at each drill hole that define a linear belt of chalcedonic alteration that is at least ... «GlobeNewswire, 12월 14»
Aegean Provides Market Update on Turkish Exploration Projects
... advanced argillic assemblages, with low temperature chalcedonic "silica caps" commonly developed on hilltops throughout the project area. «Marketwired, 8월 14»
Theia Resources Enters into Option Agreement on the Fox and 2 X …
Gold and silver mineralization on the property is hosted by chalcedonic to banded quartz veins, stockworks, and breccia fills that are hosted ... «Canada NewsWire, 7월 14»
Chance to learn more about the ancient Kentraugh Mill
The middle stone is a French burr stone and is made of chalcedonic hornstone, found in the Paris basin. It is built up out of 25 pieces, fitted ... «Isle of Man Today, 5월 14»
Sierra Metals goes old school at Cusi
The veins are generally narrow, vuggy and chalcedonic, and fill major structures. The length of these structures varies between 500 and 2,000 ... «The Northern Miner, 2월 14»
Tarsis Resources starts exploration at Mexican Yago property
... indicate "a high-level epithermal environment characterized by chalcedonic/opalescent silica and acid sulphate alteration in conjunction with ... «Proactive Investors Australia, 8월 13»
