Trace elements in graphite and graphite-bearing marbles from Central and East Rhodopes, Bulgaria; Review of the Bulgarian Geological Society; Vol. 86, Pt 2
| Parent link: | Review of the Bulgarian Geological Society.— .— Sofia: Bulgarian geological society Vol. 86, Pt 2.— 2025.— P. 96-102 |
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| Beste egile batzuk: | , , , , |
| Gaia: | Title screen The mineral and chemical composition of graphite and graphite-bearing marbles from the Vacha, Ardino–Nedelino, and Chernichevo–Boturche areas was studied. The minerals identified by X-ray diffraction in different marble samples are calcite, dolomite, pargasite, chondrodite, quartz, and graphite. The presence of accessory minerals, such as apatite, rutile, zircon, Fe sulfides, Ag-Pb-Sb, Pb-Bi, Ag-Sb phases, etc was confirmed by LA-ICP-MS. Among the analyzed 58 elements in the marbles, only Mo, Sr, Bi, Pt, Ag, and Sb have contents that exceed at least twice the Clarke values for metamorphosed carbonate rocks. The graphite concentrate contains micron-sized phases of Mo-S, Cu, Fe, and others. The contents of 26 elements were measured by INAA in graphite. Uranium, As, Zn, Th, Sb, and Sm have several times higher concentrations compared to the content in the original graphite-bearing marble Текстовый файл AM_Agreement |
| Hizkuntza: | ingelesa |
| Argitaratua: |
2025
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| Gaiak: | |
| Sarrera elektronikoa: | https://doi.org/10.52215/rev.bgs.2025.86.2.96 |
| Formatua: | Baliabide elektronikoa Liburu kapitulua |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=684097 |
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| 200 | 1 | |a Trace elements in graphite and graphite-bearing marbles from Central and East Rhodopes, Bulgaria |f Mariana Yossifova, Dimitrina Dimitrova, Sergey Arbuzov [et al.] | |
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| 330 | |a The mineral and chemical composition of graphite and graphite-bearing marbles from the Vacha, Ardino–Nedelino, and Chernichevo–Boturche areas was studied. The minerals identified by X-ray diffraction in different marble samples are calcite, dolomite, pargasite, chondrodite, quartz, and graphite. The presence of accessory minerals, such as apatite, rutile, zircon, Fe sulfides, Ag-Pb-Sb, Pb-Bi, Ag-Sb phases, etc was confirmed by LA-ICP-MS. Among the analyzed 58 elements in the marbles, only Mo, Sr, Bi, Pt, Ag, and Sb have contents that exceed at least twice the Clarke values for metamorphosed carbonate rocks. The graphite concentrate contains micron-sized phases of Mo-S, Cu, Fe, and others. The contents of 26 elements were measured by INAA in graphite. Uranium, As, Zn, Th, Sb, and Sm have several times higher concentrations compared to the content in the original graphite-bearing marble | ||
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| 461 | 1 | |t Review of the Bulgarian Geological Society |c Sofia |n Bulgarian geological society | |
| 463 | 1 | |t Vol. 86, Pt 2 |v P. 96-102 |d 2025 | |
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| 701 | 1 | |a Yossifova |b M. |g Mariana | |
| 701 | 1 | |a Dimitrova |b D. |g Dimitrina | |
| 701 | 1 | |a Arbuzov |b S. I. |c Deutsch Geologe und Geochemiker |c Professor der Polytechnischen Universität Tomsk, Doktor der geologisch-mineralogischen Wissenschafte |f 1959- |g Sergei Iwanowitsch |9 15236 | |
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