«BASTNAESITE»に関連する英語の本
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bastnaesite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
Zirconium and Hafnium in the Southeastern Atlantic States
Bastnaesite. — Bastnaesite, a cerium fluocarbonate, occurs abundantly as thin
buff -colored or white rims around doverite aggregates and gray rims around
chevkinite; as small irregular, colloidal or microcrystalline masses embaying
doverite ...
2
United States Geological Survey Professional Paper
bastnaesite, xenotime, euxcnite, fluorapatite, and zircon. Monazite is the principal
ore mineral of thorium in the United States and elsewhere. It is a complex
phosphate of the rare-earth metals (principally cerium and lanthanum) and
thorium.
3
Geological Survey Professional Paper
and small amounts of monazite, pyrochlore, bastnaesite, and synchysite. The
weakly radioactive carbonatite dikes are relatively homogeneous, weather buff or
rusty yellow, and contain dolomite, calcite, apatite, pyrite, hydrobiotite(?) ...
Geological Survey (U.S.), 1981
4
Froth Flotation: A Century of Innovation
The standard, yet rather inefficient, process for the flotation of bastnaesite ore
involves six stages of conditioning with steam, soda ash, sodium fluosilicate,
sodium lignin sulfonate, and tall oil from carbonate and sulfate gangue,
producing a ...
Maurice C. Fuerstenau, Graeme J. Jameson, Roe-Hoan Yoon, 2007
5
Mineral Processing: Recent Advances and Future Trends : ...
Flotation Separation of Bastnaesite and Monazite THE STUDY OF SEPARATION
PROCESS: As also mentioned above, the main REE bearing minerals are
bastnaesite and monazite in the BYEBORE. The weights of bastnaesite and
monazite ...
6
Handbook of Flotation Reagents: Chemistry, Theory and ...
Flotation properties of bastnaesite depend largely on the gangue composition of
the ore and the impurities present in the mineral itself. Bastnaesite found in a
carbonatite ore is recovered using fatty acid collector after heat pretreatment of
the ...
Srdjan M. Bulatovic, 2010
7
U.S. Geological Survey Bulletin
A. Ores hosted by H8 dolostone and limestone marble: 1 . Disseminated ores: a.
Marble with disseminated monazite only (sample 7B36-6; sample locations are
shown in fig. 5), with bastnaesite only (samples 34-24, not shown in fig. 5, and ...
8
Bibliography of the Geology of the Western Phosphate Field
Sharp, W. N., and Pray, L. C., 1952, Geologic map of bastnaesite deposits of the
Birthday claims, San Bernardino County, Calif. : U. S. Geol. Survey Mln. Inv. Field
Studies Map MP4. The Precambrian metamorphic complex, country rock in the ...
9
Industrial Minerals and Rocks
Monazite, xenotime (Table 13) and bastnaesite are distinguished by the content
of REO(=rare earth oxides). On the basis of chemical properties and atomic
number they are divided into cerium earths (at.numbers 57 to 62, and scandium),
...
10
Monteregian Treasures: The Minerals of Mont Saint-Hilaire, ...
Bastnaesite (Ce,La)(C03)F HEXAGONAL (Ditrigonal Bipyramidal) Introductory
Remarks Bastnaesite from Mont Saint-Hilaire probably is Ce rich, as are most of
the locality's rare-earth minerals. However, because chemical data are lacking, ...
Joseph Anthony Mandarino, Violet Anderson, 1989
用語«BASTNAESITE»を含むニュース項目
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Rare Earths and China's dominance
As a crucial strategic resource, it is mainly contained in bastnaesite, xenotime, monazite, and other minerals. At present, rare earth resources ... «evertiq.com, 6月 15»
China Rare Earth Industry Report, 2014-2018
As a crucial strategic resource, it is mainly contained in bastnaesite, xenotime, monazite, and other minerals. At present, rare earth resources ... «The Northern Miner, 6月 15»
Commerce drills 1.91% TREO over 217 metres at Ashram rare …
REEs occur primarily in monazite and to a lesser extent bastnaesite and xenotime, minerals that dominate the current extraction processes for ... «Resource Clips, 6月 15»
China Rare Earth Industry Report, 2014-2018 - Market Segments …
As a crucial strategic resource, it is mainly contained in bastnaesite, xenotime, monazite, and other minerals. At present, rare earth resources ... «Digital Journal, 6月 15»
China Automotive Heat Exchanger and Rare Earth Industry …
As a crucial strategic resource, it is mainly contained in bastnaesite, xenotime, monazite, and other minerals. At present, rare earth resources ... «Press Release Rocket, 6月 15»
Quebec rare earths: Commerce hits 2.08% TREO over 17.5 metres …
Ashram's rare earth elements occur primarily in monazite and to a lesser extent bastnaesite and xenotime, minerals that dominate the currently ... «Resource Clips, 5月 15»
Attempted military coup in Burundi
... government in March to begin the extraction of bastnaesite and monazite among other minerals from an area in the country's Gakara region. «World Socialist Web Site, 5月 15»
Rare Earth Deal in Burundi Criticized Amid Political Turmoil
Conditions seemed ideal: Hundreds of thousands of tons of ores like bastnaesite and monazite were simply waiting to be extracted. «Deutsche Welle, 5月 15»
The Strange Second Life of America's Only Rare Earth Mine
They had found a huge vein of Bastnaesite, a rare earth element that was discovered in the 19th century and is a source of the important ... «Gizmodo India, 5月 15»
German firm to sell Burundi's rare earths
The deposit is primarily composed of bastnaesite and monazite ores, a standard light rare earth oxide composition with a key interest in the ... «taz.de, 5月 15»
