نتایج جستجو برای: titanite

تعداد نتایج: 277  

Journal: :Geologica Balcanica 2022

The Sedemte Prestola pluton is an intermediate to acid plutonic body of Variscan age (308.7 ± 9.1 Ma). Despite its small size, several petrographic varieties are present: syenites, quartzsyentes and granites. It composed potassium feldspar, quartz, sodic-calcic amphibole; biotite, when present, often rimmed by amphibole or strongly altered; zircon, titanite, apatite ilmenite the accessory phase...

Journal: :Minerals 2022

Quantifying geological processes has greatly benefited from the development and use of thermochronometric methods over last fifty years. Among them is (U-Th)/He dating method, which based on production retention, within a crystal structure, radiogenic 4He atoms associated with alpha decay U, Th Sm nuclei. While apatite been main target studies focusing exhumation burial in upper levels continen...

Journal: :IEICE Electronics Express 2022

The monitoring of football training can help players develop their game to perfect a particular shot or area performance. In this paper, battery-free piezoelectric sensing platform for is architected, embedded, and experimentally verified. system based on the flexible feature polyvinylidene fluoride (PVDF) thin film, which make sensors attach shoes closely. Eight special positions are chosen pl...

Journal: :Geosciences 2022

The coastal area of the Kavala district, Northern Greece, is characterized by minerals enriched in rare earth elements (REE). present study focuses on mineralogy black sands from six different locations and comprehensive mineral chemistry REE-bearing minerals, allanite-(Ce), epidote, monazite, thorite, zircon titanite. Allanite-(Ce) most important carrier light REE (LREE) studied sands, reachin...

2003
L. F. DOBRZHINETSKAYA H. W. GREEN K. N. BOZHILOV R. M. DICKERSON

Nanometric solid inclusions in diamond incorporated in garnet and zircon from felsic gneiss of the Kokchetav massif, Kazakhstan, have been examined utilizing electron microscopy and focused ion beam techniques. Host garnet and zircon contain numerous pockets of multiple inclusions, which consist of 1–3 diamond crystals intergrown with quartz, phengite, phlogopite, albite, K-feldspar, rutile, ap...

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