What question did this study set out to answer?

The aim is to analyze the composition and origin of Gröden sandstones from the Velebit Mountains and their depositional environment.

March 3, 2026Open Access

Composition and provenance of Gröden sandstone from the Velebit Mts.

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This analysis reveals the origin and depositional environment of Gröden sandstones, indicating active tectonics.

The aim is to analyze the composition and origin of Gröden sandstones from the Velebit Mountains and their depositional environment.
Four samples from Pikovac Creek valley and one from the Gröden locus typicus were analyzed.
Micropetrographical characteristics and modal compositions were examined.
Heavy mineral associations were identified to infer the source of sediment.
A weathering index was used to assess climatic conditions during deposition.
Samples from Pikovac Creek were identified as lithic greywackes and densely packed lithic arenite, indicating low maturity.
The heavy mineral content was derived from recycled orogen sources with evidence of metamorphic rocks.
The presence of kyanite and chlorite suggested a metamorphic origin, while red coloration and limonitized grains indicated an arid climate.
Gröden samples suggested proximity to magmatic rocks and were possibly deposited in rift-related environments.

Sudar et al. (2016) studied this question.

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