10 LIVRES EN ANGLAIS EN RAPPORT AVEC «CHERALITE»
Découvrez l'usage de
cheralite dans la sélection bibliographique suivante. Des livres en rapport avec
cheralite et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Systematic Mineralogy of Uranium and Thorium
CHERALITE Synonymy Cheralite Bowie and Home (1953). Named from Chera,
the ancient Dravidian kingdom corresponding to the modern territory of
Travancore, where the mineral was found. Composition A phosphate-silicate of
thorium, ...
Even at the thin- section scale, the cheralite mole fraction may vary over a range
of more than 50%, expressing that only part of the monazites is actually in
equilibrium with the host-granite REE composition. Huttonite (Th,U)SiO4
substitution is ...
3
U.S. Geological Survey professional paper
... Nb containing P; presumably related to hut- tonite, cheralite, and monazite.
NbjOs= 2.2-8.2 percent. From zoned aegirine-microcline-natrolite-hackmanitc
pegmatites. Kuz'menko and Kozhanov (1959); Vlasov and others (1959, p. 423-
425).
Geological Survey (U.S.), 1969
4
Issues in Geology and Mineralogy: 2013 Edition
The cheralite exchange is more important for monazite grains in ilmenite-series
granitic rocks than for those in magnetite-series granitic r'ocks. Monazite grains in
Japanese granitic rocks of these two series characteristically have a low ...
5
Contributions to the Geology of Uranium and Thorium: By the ...
... mineral containing thorium as an essential constituent to be discovered was
thorianite, Th02, in 1904. This was followed by the description of pilbarite in 1910
, huttonite in 1951, cheralite in 1953, and the redefinition of thorogummite in 1953
.
Lincoln Ridler Page, Harriet B. Smith, 1956
6
Mineralogy And Geology of Rare Earths in China
Luster greasy. Cleavage imperfect. Biaxial ( + ), small optical angle. Occurrence
Occurred in zones of fracture in granite of Tonghua, Jilin Province, formed
veinlets and associated with barite. §6.20 Cheralite Formula (Ca, Ce, Th)P04 or (
Ca, ...
Zhang Peishan, Yang Xueming, Tao Kejie, 1996
A new member of the monazite group was described in 1953 M 1 cheralite ' (from
Chera the ancient name of Travancore). It is a dark green mineral found sparingly
in brittle masses with black tourmaline, small greenish yellow chrysoberyls, ...
John Coggin Brown, Abani Kumar Dey, Abani Kumar Dey
8
Geological Survey Professional Paper
... granite pegmatites; CP, cheralite pegmatite RARE-EARTH ELEMENTS IN
ROCKS O Phosphorites (22) V U.S.S.R. shales (18,280) A North American
shales (40) 0 Granitic gneisses (3) D Miscellaneous gneisses (40) q
Miscellaneous schists ...
Geological Survey (U.S.), 1983
9
Non-silicates: Sulphates, Carbonates, Phosphates, Halides
A re-examination of cheralite. Min. Mag., 43. 885-8. Brondi, A., Ferretti, O. and
Locardi, E., 1972. Sulla provienza dei diversi dipi di zircone e monazite contenuti
nei sedimenti fluviali della Calabria. Rend. Soc. I nil Min. Petr., 28, 31-52. Broska
...
Luke L. Y. Chang, Robert Andrew Howie, J. Zussman, 1998
10
Bulletin - United States Geological Survey
The presently known minerals in this group are: Brabantite CaTh(P04)2 Cheralite
Gasparite-(Ce) Huttonite Monazite-(Ce) Monazite-(La) Monazite-(Nd)
Rooseveltite (Ca,Ce,Th)(P,Si)04 (Ce,La,Nd)AsO4 ThSi04 (Ce,La,Nd)(P,Si)04 (La
,Ce ...
Geological Survey (U.S.), 1995
ACTUALITÉS CONTENANT LE TERME «CHERALITE»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
cheralite est employé dans le contexte des actualités suivantes.
Assessment of rare earth elements in SL For use in hi-tech products …
Apatite, cheralite, eudialyte, loparite, phosphorites, rare earth bearing (ion absorption) clays, secondary monazite, spent uranium solutions and ... «The Island.lk, janv 11»
