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Cr-spinel assemblage from the Upper Triassic gritstones of the northeastern Siberian Platform. / Nikolenko, E. I.; Logvinova, A. M.; Izokh, A. E. и др.

в: Russian Geology and Geophysics, Том 59, № 10, 01.10.2018, стр. 1348-1364.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

Harvard

Nikolenko, EI, Logvinova, AM, Izokh, AE, Afanas'ev, VP, Oleynikov, OB & Biller, AY 2018, 'Cr-spinel assemblage from the Upper Triassic gritstones of the northeastern Siberian Platform', Russian Geology and Geophysics, Том. 59, № 10, стр. 1348-1364. https://doi.org/10.1016/j.rgg.2018.09.011

APA

Nikolenko, E. I., Logvinova, A. M., Izokh, A. E., Afanas'ev, V. P., Oleynikov, O. B., & Biller, A. Y. (2018). Cr-spinel assemblage from the Upper Triassic gritstones of the northeastern Siberian Platform. Russian Geology and Geophysics, 59(10), 1348-1364. https://doi.org/10.1016/j.rgg.2018.09.011

Vancouver

Nikolenko EI, Logvinova AM, Izokh AE, Afanas'ev VP, Oleynikov OB, Biller AY. Cr-spinel assemblage from the Upper Triassic gritstones of the northeastern Siberian Platform. Russian Geology and Geophysics. 2018 окт. 1;59(10):1348-1364. doi: 10.1016/j.rgg.2018.09.011

Author

Nikolenko, E. I. ; Logvinova, A. M. ; Izokh, A. E. и др. / Cr-spinel assemblage from the Upper Triassic gritstones of the northeastern Siberian Platform. в: Russian Geology and Geophysics. 2018 ; Том 59, № 10. стр. 1348-1364.

BibTeX

@article{857921f85b714620bf8e5e470502f931,
title = "Cr-spinel assemblage from the Upper Triassic gritstones of the northeastern Siberian Platform",
abstract = "An assemblage of Cr-spinels widespread in Carnian (Upper Triassic) diamondiferous deposits in the northeastern Siberian Platform is studied. Analysis of their morphology and chemical composition has revealed two dominant varieties of Cr-spinels and has demonstrated certain regularities in their distribution in the study area. Correlations have been established between the areal distribution of the recognized types of Cr-spinels and diamond varieties typical of kimberlite sources and between the distribution of Cr-spinels and rounded diamond dodecahedrons. The phase and chemical compositions of polyphase inclusions in the Cr-spinels are studied. The spatial arrangement of inclusions along the crystal growth zones indicates their primary genesis and trapping from the melt during crystallization. Compositional features of some minerals in the inclusions—SiO2 impurity in apatite and high CaO contents (0.2-0.8 wt.%) in olivines—point to a nonkimberlite source of these Cr-spinels. The presence of K- and Na-containing phases and calcite in the inclusions indicates saturation of the initial melt with alkalies, Ca, and CO2. The data obtained suggest that the numerous Late Vendian diatremes in K-rich alkaline basites of the Olenek Uplift area are the source of the dominant Cr-spinel variety.",
keywords = "alkaline magmatism, Carnian Stage, diamond, sedimentary reservoir, Siberian Platform, spinel, Triassic, KIMBERLITES, DIAMOND, ROCKS, CHROME SPINEL, U-PB, MANTLE, POLAR SIBERIA, MELT INCLUSIONS, AGE, OLIVINE",
author = "Nikolenko, {E. I.} and Logvinova, {A. M.} and Izokh, {A. E.} and Afanas'ev, {V. P.} and Oleynikov, {O. B.} and Biller, {A. Ya}",
year = "2018",
month = oct,
day = "1",
doi = "10.1016/j.rgg.2018.09.011",
language = "English",
volume = "59",
pages = "1348--1364",
journal = "Russian Geology and Geophysics",
issn = "1068-7971",
publisher = "Elsevier Science B.V.",
number = "10",

}

RIS

TY - JOUR

T1 - Cr-spinel assemblage from the Upper Triassic gritstones of the northeastern Siberian Platform

AU - Nikolenko, E. I.

AU - Logvinova, A. M.

AU - Izokh, A. E.

AU - Afanas'ev, V. P.

AU - Oleynikov, O. B.

AU - Biller, A. Ya

PY - 2018/10/1

Y1 - 2018/10/1

N2 - An assemblage of Cr-spinels widespread in Carnian (Upper Triassic) diamondiferous deposits in the northeastern Siberian Platform is studied. Analysis of their morphology and chemical composition has revealed two dominant varieties of Cr-spinels and has demonstrated certain regularities in their distribution in the study area. Correlations have been established between the areal distribution of the recognized types of Cr-spinels and diamond varieties typical of kimberlite sources and between the distribution of Cr-spinels and rounded diamond dodecahedrons. The phase and chemical compositions of polyphase inclusions in the Cr-spinels are studied. The spatial arrangement of inclusions along the crystal growth zones indicates their primary genesis and trapping from the melt during crystallization. Compositional features of some minerals in the inclusions—SiO2 impurity in apatite and high CaO contents (0.2-0.8 wt.%) in olivines—point to a nonkimberlite source of these Cr-spinels. The presence of K- and Na-containing phases and calcite in the inclusions indicates saturation of the initial melt with alkalies, Ca, and CO2. The data obtained suggest that the numerous Late Vendian diatremes in K-rich alkaline basites of the Olenek Uplift area are the source of the dominant Cr-spinel variety.

AB - An assemblage of Cr-spinels widespread in Carnian (Upper Triassic) diamondiferous deposits in the northeastern Siberian Platform is studied. Analysis of their morphology and chemical composition has revealed two dominant varieties of Cr-spinels and has demonstrated certain regularities in their distribution in the study area. Correlations have been established between the areal distribution of the recognized types of Cr-spinels and diamond varieties typical of kimberlite sources and between the distribution of Cr-spinels and rounded diamond dodecahedrons. The phase and chemical compositions of polyphase inclusions in the Cr-spinels are studied. The spatial arrangement of inclusions along the crystal growth zones indicates their primary genesis and trapping from the melt during crystallization. Compositional features of some minerals in the inclusions—SiO2 impurity in apatite and high CaO contents (0.2-0.8 wt.%) in olivines—point to a nonkimberlite source of these Cr-spinels. The presence of K- and Na-containing phases and calcite in the inclusions indicates saturation of the initial melt with alkalies, Ca, and CO2. The data obtained suggest that the numerous Late Vendian diatremes in K-rich alkaline basites of the Olenek Uplift area are the source of the dominant Cr-spinel variety.

KW - alkaline magmatism

KW - Carnian Stage

KW - diamond

KW - sedimentary reservoir

KW - Siberian Platform

KW - spinel

KW - Triassic

KW - KIMBERLITES

KW - DIAMOND

KW - ROCKS

KW - CHROME SPINEL

KW - U-PB

KW - MANTLE

KW - POLAR SIBERIA

KW - MELT INCLUSIONS

KW - AGE

KW - OLIVINE

UR - http://www.scopus.com/inward/record.url?scp=85054919933&partnerID=8YFLogxK

U2 - 10.1016/j.rgg.2018.09.011

DO - 10.1016/j.rgg.2018.09.011

M3 - Article

AN - SCOPUS:85054919933

VL - 59

SP - 1348

EP - 1364

JO - Russian Geology and Geophysics

JF - Russian Geology and Geophysics

SN - 1068-7971

IS - 10

ER -

ID: 17114977