Results 11 to 20 of about 50 (40)

Multi‐Stage Evolution of the South Australian Craton: Petrological Constraints on the Architecture, Lithology, and Geochemistry of the Lithospheric Mantle

Geochemistry, Geophysics, Geosystems, Volume 23, Issue 11, November 2022., 2022
Abstract To improve the understanding of the formation and evolution of the sub‐continental lithospheric mantle (SCLM) underlying the South Australian Craton we have conducted a detailed petrological study on >3,000 mantle xenocrysts from 13 kimberlites emplaced across the craton.
Z. J. Sudholz, G. M. Yaxley, A. L. Jaques, S. A. Cooper, K. Czarnota, W. R. Taylor, J. Chen, B. M. Knowles   +7 more
wiley   +1 more source

Structure of the Daldyn field (Yakutian Province) based on the study of picroilmenite composition

International Kimberlite Conference Extended Abstracts: 2003, 2019
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Application of thermomagnetic analysis to picroilmenite investigation

Russian Geology and Geophysics, 2009
Abstract Picroilmenite samples from five kimberlite pipes of the Yakutian kimberlite province have been studied. Point microprobe analyses of two mutually perpendicular profiles of each sample were carried out to study the compositional inhomogeneity of picroilmenite. Thermomagnetic curves were also recorded for each sample.
Ibragimov S., Mishenin S.
exaly   +4 more sources

Picroilmenite in Kimberlites and Titanomagnetites of the Yakutian Diamond-Bearing Province

SpringerBriefs in Earth Sciences, 2020
This book examines picroilmenites and their ferromagnetic behavior in the kimberlites from the Yakut diamondiferous province. Picroilmenites are minerals used to identify the location of diamonds. The author shows a solid interpretation of the magnetic-mineralogical analysis of ferromagnetic minerals based on a large number of experimental data and ...
Ibragimov Shamil Zarifovich, Kuzina Dilyara Mtygullovna, Mishenin Sergey Grigorevich, Zakirov Timur Rustamovich   +3 more
exaly   +3 more sources

Compositional heterogeneity of picroilmenite from the Zarnitsa pipe according to the data of thermomagnetic analysis

Izvestiya, Physics of the Solid Earth, 2014
Thirty-nine samples of picroilmenites from seven boreholes drilled along the submeridional profile in the Zarnitsa pipe of the Yakut diamondiferous province are examined. Individual microprobe determinations are conducted on two mutually perpendicular profiles of each sample in order to study compositional the heterogeneity of picroilmenite.
Yu N Osin, Osin Yu N
exaly   +7 more sources

Specific features of picroilmenite composition in various diamondiferous fields of the Yakutian province

Doklady Earth Sciences, 2006
Picroilmenite of kimberlitic rocks is among the major typomorphic minerals widely used in geological prospecting. Therefore, the elucidation of compositional differences between ilmenites from various fields of the Yakutian province is an important issue.
Ivanov A S
exaly   +2 more sources

Electron-microscope study of micromorphology of picroilmenite from the kimberlite pipes of Yakutia

International Geology Review, 1971
The many varied shapes in microsculpture of the mineral (fig. 1-8) are very much like those in pyrope, olivine, other associates of diamond, and in sheared surfaces of diamond itself. The electron-microscopic evidence suggests abrupt and radical changes in conditions of crystallization of all of them, including the picroilmenitic aggregate, which led ...
exaly   +2 more sources

The Na-Mg-Fe-Ti oxide mineral in association with picroilmenite and freudenbergite from kimberlite of the AK8 pipe, Botswana (natural and experimental data)

Doklady Earth Sciences, 2013
Yu A Litvin, Garanin V K, Litvin Yu A
exaly   +2 more sources

Study of Kimberlites, Picroilmenites and Trap Formations

2019
This chapter covers the comprehensive (magnetic, mineralogical and elemental) study of kimberlites, picroilmenites and trap formations. The study was aimed at finding correlations between magnetic and mineralogical parameters of diamond bearing rocks and their diamond content.
Shamil Ibragimov, Dilyara Kuzina, Sergey Mishenin, Timur Zakirov   +3 more
openaire   +1 more source

Hydroxylian pseudorutile derived from picroilmenite in the Murray Basin, southeastern Australia

Mineralogical Magazine, 2003
AbstractIlmenite concentrates obtained from heavy mineral deposits in the Murray Basin, southeastern Australia contain appreciable quantities (up to 10 wt.%) of an unusual hydrated Fe titanate mineral in the form of orange to red coloured translucent grains.
I. E. Grey, C. Li
openaire   +1 more source