«PENNINITE»に関連する英語の本
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penniniteの使いかたを見つけましょう。
penniniteに関する本と英語文献で使われた文脈を提供するための簡単な抜粋文。
1
Rock-Forming Minerals: Orthosilicates, Volume 1A:
The relic cores of clinohumite, partially altered to a yellowish brown fibrous
product, are bordered by a narrow zone of optically negative penninite which
merges through a thin isotropic zone to optically positive penninite which is
surrounded ...
William Alexander Deer, Robert Andrew Howie, J. Zussman, 1982
2
Geology and ore deposits of the Bayard area, Central Mining ...
The hornblende of this rock is rather fresh but in places is slightly replaced by
penninite. Patches and flakes of penninite lie here and there in the groundmass,
and rarely an isolated flake occurs in the feldspars. Chloritization is still stronger
in ...
Samuel Grossman Lasky, New Mexico School of Mines, Socorro. State Bureau of Mines and Mineral Resources, New Mexico School of Mines. State Bureau of Mines and Mineral Resources, 1936
(7) Chlo- rites and related silicates, including serpentine, picrolite, clino- <hlore,
penninite, paligorskito, vermiculite, and glauconite (fig. 20). (8) The micas and
other minerals characterized by curves with rounded high-temperature shoulders
, ...
4
Geological Survey Professional Paper
Chlorite is mostly negative penninite. Textures are hypidiomorphic and seriate.
Some sections show a vague subparallel arrangement of oligoclase grains
suggestive of flowage. A slight tendency to protoclasis is apparent in a few
sections.
Geological Survey (U.S.), 1982
5
Geology of Unalaska Island and Adjacent Insular Shelf, ...
... of this is uralitlc fibers), 3-5 percent biotite partially altered to penninite (1-2
percent) and ilmenite and sphene (0.5-1.5 percent) which in turn are altered to
leucoxene (<1 percent), 2.4 percent magnetite, and <1 percent apatite (in
feldspar).
6
Geological Survey Bulletin
Groundmass minerals are quartz, albite, chlorite (penninite), sphene, leucoxene,
epidote, white mica, and rare hematite and calcite. The chlorite is responsible for
the grayish-green color. Modal analyses of four quartz keratophyre flow rocks ...
7
Handbook of Plant Nutrition
... 17 Pickeringite MgAl2(SO4)4-22H2O 3 Picromerite See Schoenite - Pimelite
See Kerolite - Polyhalite K2Ca2Mg(SO4)4-2H2O 4 Prochlorite See Penninite -
Pyrope Mg,Al,(Si04), IX Rabbittite Ca,Mg,(U02)2(CO,)6(OH)4- 1 8H,O 5
Ralstonite ...
Allen V. Barker, David J. Pilbeam, 2006
The variety penninite is common in the state. Cochise County: Warren district, as
coarse crystals formed during retrograde metamorphism of garnet-epidote
tactites, commonly found in the deeper levels of the Cole and Dallas mines; the
variety ...
John Williams Anthony, 1995
Hornblende is present as sub- hedral crystals, partly replaced by penninite,
epidote, calcite, and magnetite. Eiotite, in irregular grains, is pleochroic; X, pale
yellow; Y and Z, dark brown. Sparse accessory minerals include apatite, sphene,
...
10
Ganseki Kōbutsu Kōshō Gakkai shi
Titano-penninite (CCH»T jut □ sm i* ffi^ajg^O^^ffi'S/g^^K+O Titano-penninite
KLO^-Cfb*£##T<I, #&*&?. Introduction Many ultramafic complexes are distributed
in the Mikabu zone in the Samba- gawa metamorphic belt, south-west Japan.
