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Heavy minerals as indicators of source material in soils on carbonates
ID Čeplak, Barbara (Avtor), ID Miler, Miloš (Avtor), ID Zupančič, Nina (Avtor), ID Jarc, Simona (Avtor)

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Izvleček
The origin of the soils formed on carbonate rocks remains uncertain, as they are probably of polygenetic origin. Of particular interest are the elevated contents of some trace elements detected in these soils, as they can hardly be attributed to insoluble residues of carbonate rock. The aim of this study was to uncover the relationship between heavy minerals in bedrock and soil and to identify other sources that influence the mineral and chemical composition of soil. We investigated representative samples of soils and dolomite bedrock as well as sandstones and marlstones from the nearby flysch basin as an expected source of the aeolian contribution. XRD and SEM/EDS showed that mineral diversity is higher in soils compared to the dolomites. Heavy minerals found in dolomite insoluble residue include sphalerite, Ti-oxide (probably rutile), zircon, fluorite, pyrite, minerals of REE phosphates and apatite group, interpreted as terrigenous detrital material. The mineral composition of soil heavy fraction is only partly following insoluble residues of bedrock and indicates possible aeolian contribution. Comparison with nearby flysch sandstones and marlstones showed similarities in mineralogical diversity by the presence of chromite and Fe-Cr(Mn) oxides (probably carmichaelite). Other minerals present in soils and flysch layers, such as Ti-oxide (probably rutile), zircon, REE phosphates, and pyrite grains, however, show similarities in mode of occurrence and transport indications. Signs of aeolian transport on the grains detected in soils were further confirmed by SEM/EDS.

Jezik:Angleški jezik
Ključne besede:Phaeozem, Upper Triassic dolomite, flysch layers, trace elements, SEM/EDS
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:NTF - Naravoslovnotehniška fakulteta
Status publikacije:Objavljeno
Različica publikacije:Objavljena publikacija
Leto izida:2023
Št. strani:11 str.
Številčenje:Vol. 35, art. e00735
PID:20.500.12556/RUL-152936 Povezava se odpre v novem oknu
UDK:55
ISSN pri članku:2352-0094
DOI:10.1016/j.geodrs.2023.e00735 Povezava se odpre v novem oknu
COBISS.SI-ID:172020483 Povezava se odpre v novem oknu
Datum objave v RUL:12.12.2023
Število ogledov:253
Število prenosov:15
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:Geoderma regional
Založnik:Elsevier
ISSN:2352-0094
COBISS.SI-ID:525571097 Povezava se odpre v novem oknu

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.

Projekti

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Program financ.:Young researchers

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P1-0025
Naslov:Mineralne surovine

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P1-0195
Naslov:Geookolje in geomateriali

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P1-0008
Naslov:Paleontologija in sedimentarna geologija

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