Karren above Custonaci (Sicily, Italy)

Knez, Martin; Ruggieri, Rosario; Slabe, Tadej

doi:10.3986/ac.v48i1.7029

Cited by 3 publications

(2 citation statements)

References 4 publications

(9 reference statements)

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“…Comparative studies of karst geology, forms, and the rock relief of karst phenomena reveal their respective development and deepen our knowledge about the karst formation on different carbonate rocks in diverse conditions of the world (Knez et al 2003(Knez et al , 2010(Knez et al , 2011(Knez et al , 2012(Knez et al , 2015(Knez et al , 2017(Knez et al , 2019Debevec et al 2012;Al Faraj Al Ketbi et al 2014;Gutiérrez Domech et al 2015;Slabe et al 2016).…”

Section: Introductionmentioning

confidence: 92%

The karren peeling off on marbles in Altai (Altai Republic, Russian Federation)

Knez¹,

Slabe²,

Trajanova³

et al. 2020

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A comparison of karren formation on various rocks under diverse environmental conditions makes an important contribution to our understanding of the formation and development of karst. In this regard, the present study brings a number of new insights through description of the karst development on marbles at the foothills of the Altai Mountains. We studied karst phenomena in the field and in the laboratory where structural-textural properties, mineral composition and quantity of carbonate components were determined. Rivers dissected karst surface and additionally uncovered carbonate rocks. The marble layers are faulted, folded and sheared, consequently containing numerous densely spaced net of discontinuities, which are often parallel. Brittle deformations significantly increased the rocks’ porosity, consequently making it more sensitive to water absorption and freezing thaw effect. Distinct continental climate, with extreme daily and seasonal temperature variations, conditions the pronounced peeling off of the marbles along discontinuities. The diversity of disintegration is conditioned by the massive or oriented structure, cleavage, texture, and type and grain size of the marbles’ mineral constituents. Interaction and alternation of chemical dissolution and mechanical disintegration play the major role on the karren formation and its preservation. The formed karren is mostly destroyed due to peeling off and disintegration of the marbles.

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Section: Introductionmentioning

confidence: 92%

The karren peeling off on marbles in Altai (Altai Republic, Russian Federation)

Knez¹,

Slabe²,

Trajanova³

et al. 2020

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“…We have presented mountain karst in dry environments (Al Farraj Al Ketbi et al, 2014;Audra et al, 2017). Reading the karst rock has once again made a major contribution to our understanding of the karst being formed on different carbonate rocks in diverse parts of the world (Knez et al, 2003(Knez et al, , 2010(Knez et al, , 2011Debevec, 2012;Knez et al, 2012;Al Faraj Al Ketbi, 2014;Gutiérrez Domech et al, 2015;Knez et al, 2015Knez et al, , 2017Knez et al, , 2019Slabe et al, 2016Slabe et al, , 2021Knez et al, 2020Knez et al, , 2022.…”

Section: Introductionmentioning

confidence: 99%

Karst Rock Relief of Qara and White Desert (Western Desert of Egypt)

Knez,

Slabe,

Torab

et al. 2023

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The karst rock relief clearly reveals the ways in which the karst surface and caves have been shaped and how they have developed. The oldest traces are the rock features of old karst caves, which were formed under climate conditions entirely different from the current ones, i.e., in the Pleistocene, and which have been dry for a longer period of time. Today, the wind is the prevailing factor in shaping the rock on the surface and in the karst of the White Desert near Farafra in particular, where we can witness the development of an entire range of wind rock features which helps us sort and classify them logically. However, in the wadis near the Qara Oasis a unique rock relief is forming, in which traces of water flow and dissolution of the rock under the sandy deposits are utterly predominant. The rainfall volume is low, however, the heavy rainfall events lasting short periods of time are enough to shape the less resistant rock. The rock features dominating the walls are co-shaped by dissolution and aeolian erosion. Crust forms on those parts of the rock surface that come in contact with water. The bare surfaces, on the other hand, are carved out by the wind. In the places where the crust has flaked off, the wind carves out cups.

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North-Western Sicily

Ruggieri¹

2022

Karst of Sicily

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Karren above Custonaci (Sicily, Italy)

Cited by 3 publications

References 4 publications

The karren peeling off on marbles in Altai (Altai Republic, Russian Federation)

The karren peeling off on marbles in Altai (Altai Republic, Russian Federation)

Karst Rock Relief of Qara and White Desert (Western Desert of Egypt)

North-Western Sicily

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