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RMS Annual Session combined with the Fedorov Session 2012
Saint Petersburg, Russia
8-10 October 2012
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Main results of mineralogical categorization of kimberlite pipes of Yakutian province

RMS-DPI code:  2012-1-49-0
Scientific session:  M2. Mineralogical and petrological markers of the mineral/rock genesis. Minerals, ores and rocks as fingerprints
Author listing:  Kostrovitsky S.I., Yakovlev D.A., Alymova N.V., Suvorova L.Ph., Ivanov A.S.
Principal author:  Kostrovitsky Sergey Ivanovich
Language:  Russian
Abstract - Summary 
(short description):
In the result of mineralogical УpasportizationФ of kimberlite pipes from the different fields of Yakutian province we received a numerous data (more 10000 analysis) of chemical composition of indicator minerals of kimberlites (magnesium ilmenite, garnet and chrome spinel). The generalization of these data has practical and scientific significance. Next genetic conclusions were done about origin of indicator minerals: 1) the crystallization of macrocrysts of magnesium ilmenite and chrome spinel was connected with formation of kimberlites; 2) there is opportunity of the using of ilmenite for the deciphering of structure of kimberlite fields (that is important for elaboration of model of field formation). Analysis of tremendous volume of data on the garnet composition gives opportunity of modeling of profiles of lithosphere mantle under each studied kimberlite field. The separate metasomatised blocks of lithosphere mantle were distinguished on the high content of TiO2 in the garnets.
The mineralogical pasportization extended (improved) opportunities of the using of prospecting methods of discovery of new kimberlite pipes. The conclusions about the thorough source of any secondary halo of ilmenite itТs necessary to do by means of comparison of plots MgO- Cr2ќ3 for Ilm from halo and nearest famous kimberlite pipes.
 
Date of presentation:  10/10/2012
Presentation Place:  Mining University, Conference Hall
 
RMS-DPI code:  2012-1-49-0
Proceeedings volume 
in the RMS catalogue:
 
Mineralogy in а whole space of the word.
File of proceedings 
(PDF): 
 200 K
Status:  printed
Recieved:  27/06/2012
Accepted:  28/08/2012
Published on-line:  28/10/2012
Permanent address of publication:  http://www.minsoc.ru/2012-1-49-0/
Contact author(s):  Kostrovitsky, Sergey Ivanovich
 
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