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Klassicheskiy Monchegorskiy Rassloennyy Mafit-UL'Tramafitovyy Kompleks
Contributor(s): Sharkov Evgeniy (Author)

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 ISBN: 3659981745     ISBN-13: 9783659981746
Publisher: Palmarium Academic Publishing
OUR PRICE: $60.53  

Binding Type: Paperback
Language: Russian
Published: December 2012
Qty:
Additional Information
BISAC Categories:
- Science | Earth Sciences - Mineralogy
Physical Information: 0.31" H x 6" W x 9" L (0.45 lbs) 132 pages
Features: Illustrated
 
Descriptions, Reviews, Etc.
Publisher Description:
Rannepaleoproterozoyskiy Monchegorskiy kompleks obrazovan dvumya raznovozrastnymi rassloennymi mafit-ul'tramafitovymi intruzivami: Monchegorskim plutonom i massivom Glavnogo khrebta, kotoryy srezaet zapadnoe prodolzhenie Moncheplutona. Oba intruziva proizoshli za schet rasplavov kremnezemistoy vysoko-Mg serii, no imeyut raznuyu kumulyativnuyu stratigrafiyu. Orudenenie kompleksa svyazano s dvumya epizodami: (1) promyshlennoe pervichno-magmaticheskoe orudenenie predstavlennoe v osnovnom Cu-Fe-Ni sul'fidami i vismutotelluridami EPG i svyazannoe so stanovleniem intruzivov v intervale 2.5-2.45 mlrd. let nazad, i (2) v intervale 2.0-1.9 mlrd. let nazad kompleks popal v zonu regional'nogo Tsentral'no-Kol'skogo razloma, v rezul'tate chego byl preobrazovan k kollazh tektonicheskikh blokov; pri etom pervichnoe Cu-Ni-(EPG) orudenenie, popavshee v zonu metamorficheskoy pererabotki, ispytalo perekristallizatsiyu s poyavleniem malosul'fidnogo EPG-orudeneniya s obrazovaniem Pt-Pd arsenidov, stannidov, antimonidov, selenidov i t.d. Protsess soprovozhdalsya chastichnym pereraspredeleniem EPG s formirovaniem uchastkov lokal'nogo obogashcheniya vplot' do poyavleniya promyshlennykh kontsentratsiy.
 
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