与 «PIEDMONTITE»相关的英语书籍
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piedmontite的用法。与
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1
The Pre-cambrian Along the Guld of Suez and the Norther Part ...
X-ray fluorescence : rich in Fe and only traces of Mn. Therefore it is not the
common piedmontite. Two more samples of piedmontite were investigated in
detail. The first sample is from a thin layer of this mineral — macroscopically easy
to ...
Heinrich Moritz Emil Schuermann, 1966
2
Mineral Wealth: Part III. Materials used in building ...
PIEDMONTITE Piedmontite is a hydrous silicate of calcium, aluminium, iron and
manganese, Ca2(Al,Fe,Mn)3(Si04)3(OH), a manganiferous variety of epidote
containing from 3-5 to 10-5 of manganese. Of crimson, dark red, reddish black to
...
3
Disilicates and Ring Silicates
Piedmontite in Arizona. Amer. Min., 20, 679-92. Mutton, C. O., 1938. 0n the nature
of withamite from Glen Coe, Scotland. Min. Mag., 25, 1 19-24. Mull. in. C. O., 1940
. Metamorphism in the Lake Wakatipu region, western 0tago, New Zealand.
William Alexander Deer, Robert Andrew Howie, J. Zussman, 1997
4
The Data of Geochemistry
An epidote-quartz cock derived from diabase has been called epidosyte.5
Piedmontite is much less abundant than zoisite or epidote and is mainly confined
to the crystalline schists. It also occurs with iron ores and as a secondary mineral
in ...
Frank Wigglesworth Clarke, 1920
5
Geology of the Mount Pinchot Quadrangle, Southern Sierra ...
Hornblende commonly is in radial or strung-out aggregates. Biotite crystals have
exsolved iron in some places and remain as phlogopite with networks of
magnetite pseudomorphing the original biotite cleavage. Piedmontite is common
along ...
James Gregory Moore, 1963
An epidote-quartz rock derived from diabase has been called epidosyte.5
Piedmontite is much less abundant than zoisite or epidote and is mainly confined
to the crystalline schists. It also occurs with iron ores and a3 a secondary mineral
in ...
7
The Cambrian Rocks of Pennsylvania
Piedmontite (manganese epidote) is the most remarkable of the accessory
constituents. It is not only disseminated in microscopic quantities through the
deep-red porphyry, but it also occurs in macroscopic masses, as a radiating
aggregate, ...
Charles Doolittle Walcott, 1896
8
Tungsten Mineralization in the United States
Scheelite occurs in small quantities with piedmontite in aporhyolite. In minute
masses it forms the centers of what were probably spherulites in an ancient
rhyolite. Needles of piedmontite extend into the scheelite. Philadelphia County
Frankford ...
9
Bibliography of North American geology, paleontology, ...
Piedmontite and scheelite from the ancient rhyolite of South Mountain,
Pennsylvania. Am. Jour. Sci., 3d ser., vol. xlvi, pp. 50-57, 1893. Describes the
microscopic characteristics of these minerals and the occurrence of piedmontite
as a ...
Fred Boughton Weeks, 1902
10
Journal of the Faculty of Science, University of Tokyo: ...
(B) Piedmontite-quartz schists General statement The piedmontite-quartz schist
of Bizan is famous all over the world, partly because the occurrence of
piedmontite in schists was first discovered by Koto (1887) at this locality (called
Otakisan by ...
