As a former part of the great Roman Empire, Slovenia has many archaeological sites featuring buildings and objects entirely or partly constructed from marble whose provenance is doubtful. In Slovenia, the most probable source of such marble is the Pohorje Mountains. For the purpose of supporting further provenance studies, these marbles are fully scientifically characterized. The techniques used are petrographic and geochemical analysis, stable isotope ratio analysis and EPR spectroscopy. The results show that the Pohorje marbles are highly heterogeneous in both their isotopic and geochemical parameters as well as grain sizes. The parameters of the different Pohorje marble outcrops are compared between themselves and with the parameters of known ancient quarries in the Mediterranean and Austria. The use of a multi-technique approach with combined parameters allows the best possible discrimination.a rcm_476 177..190
Studia universitatis hereditati je humanistična znanstvena revija za raziskave in teorijo kulturne dediščine z mednarodnim uredniškim odborom. Objavlja znanstvene in strokovne članke s širšega področja kulturne dediščine (arheologija, arhitektura, etnologija, jezikoslovje, literarna, kulturna, glasbena, intelektualna, religijska, vojaška zgodovina, zgodovina idej itn.) in pregledne članke ter recenzije tako domačih kot tujih monografij z omenjenih področij. Revija izhaja dvakrat letno. Izdajata jo Fakulteta za humanistične študije (Oddelek za arheologijo in dediščino) in Založba Univerze na Primorskem. Poglavitni namen revije je prispevati k razvoju raziskav kulturne dediščine v najširšem in k topoglednemu interdisciplinarnemu pristopu k teoretičnim in praktičnim raziskovalnim vprašanjem. Tako revija posebno pozornost namenja razvoju slovenske znanstvene in strokovne terminologije, konceptov in paradigem na področju raziskovanja kulturne dediščine v okviru humanističnih ved. Glavni in odgovorni urednik dr. Gregor Pobežin (Fakulteta za humanistične študije Univerze na Primorskem, Koper) Urednici številke dr. Zrinka Mileusnić in dr. Alenka Tomaž (Fakulteta za humanistične študije Univerze na Primorskem, Koper) Tehnična ureditev revije, oblikovanje in prelom dr. Jonatan Vinkler (Fakulteta za humanistične študije Univerze na Primorskem, Koper) Lektor (slovenska besedila) Davorin Dukič (Univerza na Primorskem, Koper)
Jersovec chert deposit is a part of the transitional zone between the internal and the external Dinarides. Tethyan cherts are often interlaid with fine-grained material, as is also the case in Jersovec, where chert beds interchange with several thin, up to 10 cm thick layers of fine-grained sedimentary rocks. The source of this material is often questionable and interpreted to be terrigenous, volcanogenic or even combination of both. In order to determine origin and depositional environment of fine-grained material, detailed mineralogical and geochemical analyses were performed.Fine-grained sedimentary rocks were characterised by X-ray diffraction (XRD), scanning electron microscopy/ energy dispersive X-ray spectroscopy (SEM/EDS) and inductively coupled plasma emission spectroscopy (ICP-ES) and mass spectroscopy (ICP-MS). All samples are mineralogically very similar but differ in mineral ratios. They contain quartz and clay minerals, predominantly illite/muscovite and chlorite group minerals. SEM/EDS analysis additionally revealed zircon, monazite, Ti-oxide (probably rutile) and iron oxides/hydroxides in all samples, whereas chromite, ilmenite, xenotime, apatite and baryte were found only in some of them. The average sizes of accessory minerals range from 3-20 μm. Two samples differ from the others by their brown colour and higher Fe 2 O 3 and lower SiO 2 contents. All other samples are green. Chemical analysis showed that they consist mostly of SiO 2 (46.3-69.3 %), Al 2 O 3 (15-24.1 %) and minor contents of K 2 O (2.8-3.4 %), Fe 2 O 3 (2.1-8.4 %), MgO (1.6-2.3 %), TiO 2 (0.5-0.7 %), CaO (0.3-1.4 %), Na 2 O (0.1 %) and P 2 O 5 (up to 0.5 %).Position of all samples in the Zr/TiO 2 vs. (V+Ni+Cr)/Al 2 O 3 diagram points to terrigenous origin and sedimentation on the continental margin. According to the chemical weathering indices (CIA and CIW) material has been subjected to the intense and long weathering, supported also by the index of compositional variability (ICV), which corresponds to the compositionally mature material, and by rounded zircon and ilmenite grains. IzvlečekNahajališče roženca Jersovec se nahaja v prehodni coni med Zunanjimi in Notranjimi Dinaridi. V nahajališču so med roženci tanke, do 10 cm debele plasti drobnozrnatih sedimentnih kamnin. Takšne sedimentne kamnine z roženci so zelo značilne na območju Tetide. Izvor medplastovnega materiala je pogosto vprašljiv in ga razlagajo kot terigen ali vulkanski ali kombinacijo obeh. Je pomemben indikator sedimentacijskega okolja. Z geokemičnimi in mineraloškimi analizami smo skušali določiti izvor teh sedimentov.Mineralno sestavo smo določili z metodo rentgenske difrakcije (XRD) in z vrstično elektronsko mikroskopijo v kombinaciji z energijsko disperzijsko spektroskopijo rentgenskih žarkov (SEM/EDS), geokemično sestavo z metodo induktivno vezane plazme z emisijsko spektrometrijo (ICP-ES) in masno spektrometrijo (ICP-MS). Vsi vzorci imajo podobno mineralno sestavo. Prevladujejo kremen in glineni minerali, med njimi največ illita/ muskovita in miner...
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