与 «FELSITE»相关的英语书籍
在以下的参考文献中发现
felsite的用法。与
felsite相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
U.S. Geological Survey Professional Paper
In addition to the local rock there is a considerable admixture of pebbles of
granite, porphyry, breccia, felsite, and many other kinds of igneous rock from
other parts of eastern Massachusetts which have been transported by glacial ice,
...
2
Geological Survey Professional Paper
Chert, siliceous tuff, and lesser amounts of greenstone and felsite compose the
larger part of the Excelsior formation. In the Gold Range mining district at the east
end of the range (pl. 14), the upper part of the formation consists of felsite and ...
Geological Survey (U.S.), 1941
3
Geological Survey Professional Paper
... subdivisions: (1) granite is widely distributed and in several varieties; (2)
syenite and nepheline syenite are west of Wausau— mainly in T. 29 N., Rs. 6 and
7 E.; (3) felsite and porphyritic rhyolite-dacite are also near Wausau— mainly T.
29 N.
4
Geological Survey of Canada, Open File 2168
Geology Gold-bearing quartz veins are mainly in metaturbidites on either side of
a series of fine-grained granitic or rhyolitic (felsite) sheets skirting mafic
metavolcanics (Fig. 5-2; Beavon, 1947; Phendler, 1983a; 1983b). The sheets and
the ...
Padgham, W A, Atkinson, D
5
Geology and Ore Deposits of the Magdalena Mining District, ...
FELSITE DISTRIBUTION AND OCCURRENCE Felsite (aporhyolite) is found
principally in a triangular area east of Hardscrabble Camp, but small areas of it
are also found just northeast of Oak Spring and near the extreme southeast
corner of ...
Gerald Francis Loughlin, Albert Herbert Koschmann, 1942
6
Problems in the disposal of acid aluminum nitrate high-level ...
In contrast to the porphyry just described, the felsite is aphanitic and in some
places glassy, and contains only a few very small pheno- crysts of feldspar and
quartz. The porphyritic felsite is transitional between the felsite and porphyry, and
is ...
7
Professional paper - United States Geological Survey
The felsite obtained near the Malachite mine (No. 1) is a nintlike rock of
conchoidal fracture, carrying sparse phenocrysts of glassy plagioclase one-tenth
of an inch or less in length. Under the microscope it proves to be noncrystalline,
probably ...
Geological Survey (U.S.), 1918
8
The Copper Deposits of Michigan
Sedimentation therefore must have been intermittent. Two contrasting ways in
which the intermittent deposition of the felsite conglomerates might have been
accomplished have been imagined — that the conglomerates are marine
deposits ...
Bert Sylvenus Butler, Wilbur Swett Burbank, 1929
9
Large Meteorite Impacts III
Part of monomict felsite cataclasite boulder from the Exmore beds; Watkins
School corehole, Recore-1, 196.02 m depth, sample WSR643.1. (A) Cataclastic
fabric showing angular fragments bounded by crosscutting fractures and faults as
...
Thomas Kenkmann, Friedrich Hörz, Alexander Deutsch, 2005
10
The Geology and Paleontology of Queensland and New Guinea
Both the conglomerate and the underlying shales have been altered by the felsite
. Higher up the creek is a great thickness of conglomerate, very coarse-grained at
the base but finer above. In the upper portion of the conglomerate, much ...
Robert Etheridge, R.L. Jack
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felsite在以下新条目的上下文中是如何使用的。
31 major minerals to be notified as minor minerals
... diaspore, dolomite, dunite/pyroxenite, felsite, felspar, fireclay, fuschite quartzite, gypsum, jasper, mica, quartz, sand (others) and shale. «Business Standard, 二月 15»
Q&A with Ian Tait
Devoid of flint, islanders had to use quartz, and the technique reached its zenith with polished felsite tools unique to Shetland. Distant from the ... «Museums Association, 十二月 14»
Shetland Museum's highly regarded Archaeology Collection given …
Many of these felsite tools were discovered at North Roe and with their striking patterns and highly polished surfaces they amaze visitors and ... «Culture24, 十二月 14»
Reservoir Minerals Provides an Update on Exploration Activities in …
Gold mineralization in the Bakassi area is spatially associated with the contact between a felsite and schists, and this contact is often exposed ... «Marketwired, 十一月 14»
True Tales from Canton's Past: A Lithic Journey
... likely used as an autumn campsite, offering easy access to the felsite quarries of the Blue Hills and providing a manufacturing site for tools. «Canton Citizen Newspaper, 十月 14»
Osisko Intersects 2.26 g/t Gold Over 128 Metres at Kirkland Lake
The host rock is an aphanitic, pinkish gray to brick red, commonly microbrecciated lithology (felsite) that completely replaces well laminated ... «Marketwired, 二月 14»
Xiamen chine.cn: Building a house with good stones is a great saving
Golden Felsite Stone (also called Salvador Gold, Oman Yellow, Golden Felsite, Armenia Gold) is one of them. With the top-grade stones, the ... «PR Web, 二月 14»
Alexander Nubia Provides a Summary on the Abu Zawal Gold …
... 020N, altered felsite, Cu ox 6.46 FAZ-499 grab Ad30, 150N, quartz vein and felsite 3.28 FAZ 043 chip dump near FAZ 42 3.92 FAZ-444 grab ... «MarketWatch, 一月 14»
Silver Lake Resources intercepts high grade copper and gold at …
The felsite is hosted within a thick sequence of mafic rocks which show typical packages of chlorite and silica alteration similar to other known ... «Proactive Investors Australia, 五月 13»
Superior Copper revisits the old Coppercorp mine
... with pyrite and hematite, the company says, noting the mineralization is hosted in vein breccias and to a lesser extent in felsite dykes. «The Northern Miner, 一月 13»
