Dependence of the composition of the Zarnitsa pipe picroilmenites (Yakutia) on their formation conditions (from data of thermomagnetic studies)
A thermomagnetic analysis has been performed for 737 picroilmenite samples from the cores of eight boreholes in the N-S-striking drilling profile of the Zarnitsa kimberlite pipe in the Daldyn kimberlite field, Yakutia. Based on the shapes of thermomagnetic curves and the Curie points, 29 samples wer...
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ftneicon:oai:rour.neicon.ru:rour/133438 2023-05-15T18:44:54+02:00 Dependence of the composition of the Zarnitsa pipe picroilmenites (Yakutia) on their formation conditions (from data of thermomagnetic studies) Ibragimov S. Mishenin S. Osin Y. 2014 https://openrepository.ru/article?id=133438 unknown Russian Geology and Geophysics 3 397 55 1068-7971 https://openrepository.ru/article?id=133438 SCOPUS10687971-2014-55-3-SID84896869121 Content of the hematite end-member in picroilmenite Curie point Kimberlite pipe Magnetite Picroilmenite Thermomagnetic analysis Article 2014 ftneicon 2020-07-21T11:48:17Z A thermomagnetic analysis has been performed for 737 picroilmenite samples from the cores of eight boreholes in the N-S-striking drilling profile of the Zarnitsa kimberlite pipe in the Daldyn kimberlite field, Yakutia. Based on the shapes of thermomagnetic curves and the Curie points, 29 samples were chosen for detailed microprobe studies of chemical composition and elucidation of the dependence of their thermomagnetic parameters on the content of the hematite end-member in the picroilmenites. The thermomagnetic curves of most of the studied picroilmenite samples are approximated by a two-component model for the hematite end-member distribution: the main and supplementary distribution. The average hematite end-member content in the main distribution coincides with the probe microanalysis data and is always lower than the average content in the supplementary distribution. The relative hematite end-member contents in the main and supplementary distributions within the picroilmenite grains are indicators of the dynamics of mineral formation in different parts of the Zarnitsa pipe. The data obtained testify to the multistage formation of the pipe under unstable thermodynamic conditions, which explains the intricate distribution pattern of picroilmenite. © 2014. Article in Journal/Newspaper Yakutia NORA (National aggregator of open repositories of Russian universities) Curie Point ENVELOPE(-63.483,-63.483,-64.833,-64.833) |
institution |
Open Polar |
collection |
NORA (National aggregator of open repositories of Russian universities) |
op_collection_id |
ftneicon |
language |
unknown |
topic |
Content of the hematite end-member in picroilmenite Curie point Kimberlite pipe Magnetite Picroilmenite Thermomagnetic analysis |
spellingShingle |
Content of the hematite end-member in picroilmenite Curie point Kimberlite pipe Magnetite Picroilmenite Thermomagnetic analysis Ibragimov S. Mishenin S. Osin Y. Dependence of the composition of the Zarnitsa pipe picroilmenites (Yakutia) on their formation conditions (from data of thermomagnetic studies) |
topic_facet |
Content of the hematite end-member in picroilmenite Curie point Kimberlite pipe Magnetite Picroilmenite Thermomagnetic analysis |
description |
A thermomagnetic analysis has been performed for 737 picroilmenite samples from the cores of eight boreholes in the N-S-striking drilling profile of the Zarnitsa kimberlite pipe in the Daldyn kimberlite field, Yakutia. Based on the shapes of thermomagnetic curves and the Curie points, 29 samples were chosen for detailed microprobe studies of chemical composition and elucidation of the dependence of their thermomagnetic parameters on the content of the hematite end-member in the picroilmenites. The thermomagnetic curves of most of the studied picroilmenite samples are approximated by a two-component model for the hematite end-member distribution: the main and supplementary distribution. The average hematite end-member content in the main distribution coincides with the probe microanalysis data and is always lower than the average content in the supplementary distribution. The relative hematite end-member contents in the main and supplementary distributions within the picroilmenite grains are indicators of the dynamics of mineral formation in different parts of the Zarnitsa pipe. The data obtained testify to the multistage formation of the pipe under unstable thermodynamic conditions, which explains the intricate distribution pattern of picroilmenite. © 2014. |
format |
Article in Journal/Newspaper |
author |
Ibragimov S. Mishenin S. Osin Y. |
author_facet |
Ibragimov S. Mishenin S. Osin Y. |
author_sort |
Ibragimov S. |
title |
Dependence of the composition of the Zarnitsa pipe picroilmenites (Yakutia) on their formation conditions (from data of thermomagnetic studies) |
title_short |
Dependence of the composition of the Zarnitsa pipe picroilmenites (Yakutia) on their formation conditions (from data of thermomagnetic studies) |
title_full |
Dependence of the composition of the Zarnitsa pipe picroilmenites (Yakutia) on their formation conditions (from data of thermomagnetic studies) |
title_fullStr |
Dependence of the composition of the Zarnitsa pipe picroilmenites (Yakutia) on their formation conditions (from data of thermomagnetic studies) |
title_full_unstemmed |
Dependence of the composition of the Zarnitsa pipe picroilmenites (Yakutia) on their formation conditions (from data of thermomagnetic studies) |
title_sort |
dependence of the composition of the zarnitsa pipe picroilmenites (yakutia) on their formation conditions (from data of thermomagnetic studies) |
publishDate |
2014 |
url |
https://openrepository.ru/article?id=133438 |
long_lat |
ENVELOPE(-63.483,-63.483,-64.833,-64.833) |
geographic |
Curie Point |
geographic_facet |
Curie Point |
genre |
Yakutia |
genre_facet |
Yakutia |
op_source |
SCOPUS10687971-2014-55-3-SID84896869121 |
op_relation |
Russian Geology and Geophysics 3 397 55 1068-7971 https://openrepository.ru/article?id=133438 |
_version_ |
1766235761137418240 |