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Organisation et fonctionnement des altérites et des sols [PDF]

open access: yes, 1992
Braun, J.J.   +2 more
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The thermodynamic properties of bastnäsite-(Ce) and parisite-(Ce)

Chemical Geology, 2015
Abstract The rare earth elements (REE) are critical metals that play a major role in emerging high technology and green industries. The light (L)REE occur dominantly in fluorocarbonate minerals and consequently information on the stability of these minerals is essential for a better understanding of the genesis of REE deposits and for the efficient ...
Alexander P. Gysi   +1 more
openaire   +1 more source

MICROSTRUCTURAL INVESTIGATION OF NEW POLYTYPES OF PARISITE-(Ce) BY HIGH-RESOLUTION TRANSMISSION ELECTRON MICROSCOPY

The Canadian Mineralogist, 2001
Five new polytypes of parisite-(Ce) [CaCe2(CO3)(3)F-2] from a rare-carth-mineral deposit within an aegirine-bearing granite pluton in Sichuan Province, southwestern China, were found by HRTEM: 6R(2), 8H, 14H, 36R and 42R. These new polytypes are all long-period ordered stacking structures, which may result from the distribution and the periodic ...
D. Meng, X. Wu, T. Mou, D. Li
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