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Petrološke in mikrostrukturne značilnosti marmorjev vzhodnega dela Pohorja = petrological and microstructural characteristics of the Eastern part of Pohorje mountains : diplomsko deloMrvar, LeaV nalogi so podani rezultati petroloških, mikrokemičnih in mikrostrukturnih raziskav Pohorskega belega marmorja, ki izdanja v manjših ali večjih lečah na južnem in vzhodnem delu Pohorja. Analize so ... pokazale, da se na tem območju pojavljata dve vrsti marmorjev. Tako imenovani ŽčistiŽ snežno beli debelozrnati masivni marmorji in ŽnečistiŽ marmorji, ki poleg kalcita vsebujejo še posamezne silikatne primesi, predvsem amfibole in sljude. Na podlagi mirkoskopske raziskave v polarizirani svetlobi na preiskovanem področju razlikujemo tri vrste marmorjev, ki se med seboj ločijo po zrvanosti in po deležu primesnih nekarbonatnih mineralov. Od teh so bili s pomočjo mikrokemične analize določeni: kremen, rogovača, tremolit, ortoklaz, plagioklaz, mikroklin, muskovit, biotit, flogopit, klorit, skapolit, titanit, cirkon, rutil, zoisit in diopsid. Z mikroskopsko preiskavo morfoloških značilnosti dvojčkov le te ločimo v štiri tipe dvojčkov (Tip I-IV), ki se med seboj razlikujejo v debelini in obliki dvojčičnih lamel. Meritve orientacij dvojčičnih lamel in c - osi so opravljene s pomočjo Fedorove mizice in računalniško obdelane s programom Orient 2.1. Rezultati so pokazali, da so v analiziranih kalcitnih zrnih ohranjeni predvsem sledovi delovanja najmlajših dveh tektonskih faz na Pohorju.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [L. Mrvar], 2013Language - slovenianCOBISS.SI-ID - 1093214
Author
Mrvar, Lea
Other authors
Vrabec, Mirijam |
Vrabec, Marko, 1969-
Topics
petrologija |
mikrostrukturna |
marmorji |
Pohorje
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Library | Call number – location, accession no. ... | Copy status |
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NTF, Department of Geology, Lj. | Geologija D MRVAR Lea Petrološke IN: 000015420 |
available - outside loan, loan period: 14 days |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Mrvar, Lea | ![]() |
Vrabec, Mirijam | 22449 |
Vrabec, Marko, 1969- | 15900 |
Source: Personal bibliographies
and: SICRIS
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