Grafitični škriljavci slavonskih planina

master's thesis

• Title: Grafitični škriljavci slavonskih planina : diplomski rad
• Title (english): Graphitic schist of Slavonian Mountains : master's thesis
• Author: Ivan Petričević
• Mentor: Sibila Borojević Šoštarić (mentor)
• Committee member: Sibila Borojević Šoštarić
• Committee member: Bruno Tomljenović
• Committee member: Uroš Barudžija
• Granter: University of Zagreb; Faculty of Mining, Geology and Petroleum Engineering; (Department of Mineralogy, Petrology and Mineral Resources); Zagreb
• Defense date and country: 2013-11-30, Croatia
• Scientific / art field, discipline and subdiscipline: NATURAL SCIENCES; Geology; Mineralogy and Petrology

Abstract

Uzorkovane su niskometamorfne stijene Radlovačkog i Psunjskog kompleksa Slavonskih planina. Mikropetrografijom su stijene podijeljene na škriljavce, meta – grauvake i grafitičnu breču. Sve analizirane stijene sastavljene su od 2 glavne parageneze koje sadrže porfiroklaste i pripadajuće alteracije (prva parageneza) te porfiroblaste i matriks (druga parageneza). Škriljavci su determinirani kao kvarcno – sericitni škriljavci. Meta – grauvake (meta – psamiti) su determinirane kao dobro sortirane srednjezrnate feldspatske meta – grauvake do srednje do sitnozrnatim slabije sortiranim litičnim meta – grauvaka s preferiranom orijentacijom klasta. Grafitična breča sastavljena je od klasta meta – antracita i kvarca cementiranih matriksom od kvarca i meta-antracita. Udjeli organskog ugljika variraju od 0,19 % do 4,42 % za škriljave, od 0,55 % do 1,32 za meta-grauvake i 62,20 % za grafitičnu breču. Rendgenskom difrakcijskom analizom uzorka grafitične breče određen je kvarc i muskovit uz povišenje backgrounda koji označava prisutstvo organske tvari. Vitrinitnom refleksijom za škriljavce, meta – grauvake i grafitičnu breču utvrđene su temperature koje se kreću od 190 °C do 250 °C.

Abstract (english)

Abstract: Samples of the low – grade metamorphic rocks of the Radlovac and Psunj complexes from the Slavonian Mts. were collected. Using micropetrography samples are divided onto quartz – sericite schists, meta – greywackes and graphitic breccia. All analysed rocks are composed of 2 major paragenesis which consist of porphyroclasts and related alterations (first paragenesis) and porphyroblasts and associated matrix (second paragenesis). Meta – greywackes (meta – psammites) are well sorted medium-gained feldspar meta – greywacke to poorly sorted medium to fine grained litic meta – greywacke with preferred orientation of clasts. Graphitic breccia is composed of meta – anthracite and quartz clasts, cemented with quartz - meta – anthracite matrix Total organic carbon varies between 0.19 % to 4.42 % for schist, from 0.55 % to 1.32 % for meta – greywackes and 62.20 % for graphitic breccia. Whole-rock powder XRD analyses of the graphitic breccia showed presence of quartz and muscovite with increase of background indicating presence of organic matter. Vitrinite reflectance of schist, meta – greywackes and graphitic breccia revealed metamorphic temperatures in range from 190 °C to 250 °C.

• Keywords: Psunjski i Radlovački niskometamorfni kompleks; Slavonske planine; mikropetrografija; škriljavci; meta-grauvake; grafitična breča; organski ugljik; vitrinitna refleksija; XRD
• Keywords (english): Psunj and Radlovac low-grade metamorphic complex; Slavonian Mountains.; micropetrography; schist; meta – greywackes; graphitic breccia; organic carbon; vitrinite reflectance; XRD
• Language: croatian
• URN:NBN: urn:nbn:hr:169:779117
• Study programme: Title: Geology; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra geologije (magistar/magistra geologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Access restricted to students and staff of home institution
• Created on: 2016-01-22 11:45:21