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200th Anniversary Meeting of the Russian Mineralogical Society
Saint Petersburg, Russia
9-12 October 2017
2017minsoc.ru
http://www.minsoc.ru/2017/
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Morphological specialization of diamond crystals from the kimberlites of the Lunda region (Angola)

RMS-DPI code:  2017-1-92-0
Scientific session:  3. Applied mineralogy in exploration and technology.
Author listing:  Zinchenko V.N.
Principal author:  Zinchenko Vladimir Nikolaevich
Language:  Russian
Abstract - Summary 
(short description):
The morphology of diamond crystals of size class +0.5-5.7 mm from kimberlite pipes Luele, Catoca, Txiuzo and Kamuansanza located in the kimberlite region of Lunda (SW of Angola) is investigated. Based on Y.L. Orlovs classification compared them and found that the diamonds of each tube is distinguished by a unique set of typomorphic features, primarily the ratio of their varieties and habitus forms. This is associated with different PT conditions in various deep sources of diamond crystallization in the mantle and with different rates of penetration of the kimberlite melt during the formation of pipes at the core level, which determined the different history and conditions of ontogenesis of diamond crystals in different pipes.
 
RMS-DPI code:  2017-1-92-0
Pages:  74-76
File of proceedings 
(PDF): 
 274 K
Status:  printed
Accepted:  16/09/2017
Published on-line:  07/12/2017
Permanent address of publication:  http://www.minsoc.ru/2017-1-92-0/
Contact author(s):  Zinchenko, Vladimir Nikolaevich
 
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