The chemical composition and age of monazite and kularite from titanium ore of Pizhemskoye and Yarega deposits (Middle and Southern Timan) | Zendy

Alexander B. Makeyev | Zendy; S. E. Borisovsky | Zendy; А. О. Красоткина | Zendy

Open Access

The chemical composition and age of monazite and kularite from titanium ore of Pizhemskoye and Yarega deposits (Middle and Southern Timan)

Author(s) -

Alexander B. Makeyev,

S. E. Borisovsky,

А. О. Красоткина

Publication year - 2020

Publication title -

georesursy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.291

H-Index - 5

eISSN - 1608-5078

pISSN - 1608-5043

DOI - 10.18599/grs.2020.1.22-31

Subject(s) - monazite , geology , geochemistry , mineral , batholith , ilmenite , titanium , mineralogy , chemical composition , zircon , paleontology , metallurgy , materials science , chemistry , organic chemistry , tectonics

A study on the typomorphic characteristics and age of the monazite the two giant titanium deposits of the Timan – Pizhemskoye and Yarega, which revealed differences in morphology in the species composition of the inclusions, the grain size, distribution of chemical types of a mineral associated with conditions of crystallization and different sources of the substance. The isochronous Th-Pb monazite age was calculated using the cHIME method. For Yarega monazite built three isochrone with age 1301, 1105 and 778 Ma; for Pizhemsky monazite-kularite one isochrone with age 782 Ma. Source of hith-Th monazite Yarega oil-titanium deposit could be ancient granite batholith and the origin Yarega less-Th monazite and Nd-ce-monazite-kularite Pizhemskoye deposit with an age of ~ 780 Ma could be related to the hydrothermal conversion of the weathering crusts on lamprophyres close in age with lamprophyre (spessartite and kersantite) of chetlassky Kamen.

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