10 LIVRES EN PORTUGAIS EN RAPPORT AVEC «FERGUSONITE»
Découvrez l'usage de
fergusonite dans la sélection bibliographique suivante. Des livres en rapport avec
fergusonite et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Mineralogy And Geology of Rare Earths in China
Crystallography and structure Fergusonite-( Y ) is tetragonal system. Crystals
tetragonal prismatic, fusiform and polysynthetic twin. The habit is shown in Fig. 5-
12-1. Fergusonite-beta-( Y ) is monoclinic system. Crystals fine long prismatic.
Zhang Peishan, Yang Xueming, Tao Kejie, 1996
2
Introdução À Mineralogia Prática
Fergusonita-(Ce) (Fergusonite-(Ce)) (Ce,La,Y)NbO4 242, 248, 258, 265
Fergusonita-(Nd) (Fergusonite-(Nd)) (Nd,Ce)(Nb,Ti)O4 242, 248,258,265
Fergusonita-(Y) (Fergusonite-(Y)) YNbO4 242, 248, 258, 265 Fergusonita-beta-(
Ce) ...
PAULO CESAR PEREIRA NEVES, 2003
High Quality Content by WIKIPEDIA articles! Fergusonite is a mineral comprising a complex oxide of various rare earth elements.
Jesse Russell, Ronald Cohn, 2012
4
U.S. Geological Survey professional paper
774, 791 Tanteuxenite Variety of euxenite with Ta substituting for Nb. Dana VII, v.
1, p. 787, 789-791; Arnott (1950). Wiikite Variable mixtures of euxenite and
obrachevite. FERGUSONITE (Y,Er,Ce,Fe)(Nb,Ta,Ti)0, Tetragonal, naturally
metamict.
Geological Survey (U.S.), 1969
5
Geological Survey Professional Paper
Cataclastic rocks along a shear zone in the headwaters of Firescald Branch and
Big Branch average about 0.1 percent niobium. Minerals identified in the rocks
include columbite, fergusonite, euxenite, pyrochlore, thorite, thalenite,
bastnaesite, ...
Geological Survey (U.S.), 1984
6
New Zealand Journal of Geology and Geophysics
By W. A. WATTERSi, H. J. TODD-, and E. J. Sixrus3 (Received for publication, 21
December I960} Abstract Fergusonite and samarskite were found in the heavy
concentrates of stream gravels at Canaan, on the Pikikiruna Range, north-west ...
7
Geological Survey Bulletin
FERGUSONITE— Continued Alpha-fergusonite Tetragonal fergusonite. Arrhenitc
An altered fergusonite. Dana VII, v. 1, p. 762. Beta-fergusonite Monoclinic
fergusonite. Bragite Synonym of fergusonite. Dana VII, v. 1, p. 757, 759, 761.
Kochelite ...
8
Nature Guide Rocks and Minerals
l. j'. (Ce,Y,La,Nd)NbO4. FERGUSONITE. Named after the Scottish mineralogist
Robert Ferguson (1767—1840), the fergusonite group contains several minerals.
All fergusonites may be considered as sources of the rare metals they contain.
9
New Frontiers in Rare Earth Science and Applications
The ortho-niobate of La-Lu(Y) can make up fergusonite structu— re and the
minerogenetic condition to form the minerals of fergusonite type for ZCe and ZY'
aresimilar. The replacement is rather easy for the above mentioned elements. So
the ...
Cf: arkite; missourite; Halite. fergusonite-beta-(Ce) A red to reddish brown
monoclinic mineral; dimorphous with fergusonite-(Ce). f ergusonite-beta-(Nd) A
brownish-black tetragonal mineral of the scheelite group: (Nd,Ce)NbO4.
Dimorphous ...
Julia A. Jackson, James P. Mehl, Klaus K. E. Neuendorf, 2005
10 ACTUALITÉS CONTENANT LE TERME «FERGUSONITE»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
fergusonite est employé dans le contexte des actualités suivantes.
Search Minerals announces expansion of the Deepwater Fox …
REE-bearing minerals are believed to be similar to those at Foxtrot (mainly allanite and fergusonite). The High Grade Core at Foxtrot has a surface width of up to ... «Stockhouse, oct 15»
Dysprosium market: global industry analysis and opportunity …
It is never found as a free element, but has its presence in various minerals which include fergusonite, gadolinite, and xenotime among others. - Advertisement -. «WhaTech, août 15»
Search Minerals Discovers Henley Harbour CRITICAL REE District …
These belts contain high grades of CRITICAL REE found mainly in allanite-, zircon- and fergusonite-bearing pegmatites and related volcanic rocks in a setting ... «Canada NewsWire, mars 15»
Labrador open-pit mines in works
The rare earth element-bearing minerals at Deepwater Fox are believed to be similar to those at Foxtrot, primarily allanite and fergusonite. However, the ... «The Telegram, févr 15»
Promising new rare earth element discovery in Canada
The REE-bearing minerals at Deepwater Fox are believed to be similar to those at Foxtrot (mainly allanite and fergusonite). However, the REE composition of ... «Blouin News Blogs, janv 15»
RARE EARTHS: Search Minerals makes second REE find in Labrador
REE bearing minerals are believed to be mainly allanite and fergusonite. Additional details about both discoveries are available at SearchMinerals.ca. «Canadian Mining Journal, janv 15»
Search Minerals Announces "Critical REE" Discovery in the Port …
REE-bearing minerals are believed to be similar to those at Foxtrot (mainly allanite and fergusonite). The High Grade Core at Foxtrot has a surface width of up to ... «PR Newswire, janv 15»
#MoralMonday protesters 'shut down' area Wal-Marts, several …
Terry, a white “Fergusonite,” counter-protested at the Ferguson location. “All is presumed innocent until proven guilty and that is the Constitution. That's the way it ... «St. Louis American, oct 14»
Search Minerals Announces Ten New Foxtrot-like REE Prospects in …
These Prospects exhibit REE mineralization consisting of allanite, zircon and fergusonite, associated with felsic volcanic rocks in a mafic-felsic bi-modal volcanic ... «Canada NewsWire, oct 13»
Facts About Dysprosium
Like other rare-earth or lanthanide elements, dysprosium occurs in a variety of minerals, including gadolinite, euxenite, xenotime, fergusonite, polycrase and ... «LiveScience.com, juil 13»
