Glaciokarsts

Veress, Márton; Telbisz, Tamás; Tóth, Gábor; Lóczy, Dénes; Ruban, Dmitry A.; Gutak, Jaroslav M.

doi:10.1007/978-3-319-97292-3

Cited by 22 publications

(23 citation statements)

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“…This highly hypothetic proposition corresponds well to the clast cover by mature soils. It should be added that karstification and the related cliff retreat could be much faster in the Late Pleistocene because of the glaciokarst phenomenon [15] and active denudation of topographic highs by meltwater from local glaciers developed on the Lagonaki Highland.…”

Section: Discussionmentioning

confidence: 99%

“…The Lagonaki Highland itself represents the area of maximum distribution of the upper package, whereas the outer peripheries of the highland represent the lower package. One of the most distinctive features of the highland is karst, which occurs as both endokarst (caves) and epikarst (karren and larger forms) [10,15]. Karst development is linked to the presence of Late Jurassic limestones and dolostones and heavy annual rainfall.…”

Section: Geographical and Geological Settingmentioning

confidence: 99%

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Unusual Isolated Large Clasts from the Periphery of the Lagonaki Highland, Western Caucasus: New Evidence of Classification and Origin

Ruban

2018

Geosciences

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Large clasts are in focus of the modern geoscience research, but their broadly-accepted classification is absent and specialists tend to over-emphasize on clasts of coastal zones. New field investigations in the Western Caucasus have permitted the finding of isolated large clasts of carbonate composition that occur above the Early-Middle Jurassic shale sequence and that are covered by modern soils. These clasts can be determined either as large boulders or megaclasts (blocks) depending on the preferred classification. Their shape is chiefly irregular, although smoothened surfaces and rounded angles (resulting from previous karstification) are also registered. These large clasts are located quite far from the natural outcrops of the Late Jurassic carbonates, which are their parent rocks. The origin of these clasts can be linked to collapses of the Pleistocene cliff of a cuesta-type mountain range, which later retreated to its present position. The evidence from the study area implies the size of 1 m or 2 m as a plausible criterion for distinction of boulders and megaclasts, and it also makes claims towards the development of a wider genetic typology of megaclasts.

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Section: Discussionmentioning

confidence: 99%

Section: Geographical and Geological Settingmentioning

confidence: 99%

Unusual Isolated Large Clasts from the Periphery of the Lagonaki Highland, Western Caucasus: New Evidence of Classification and Origin

Ruban

2018

Geosciences

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“…The main objects of observation are the Oshten Mountain-the second highest point of the Western Caucasus and the reefal massif of the Late Jurassic tropical sea (Figure 3), the lengthy cuesta-type mountain range with exposures of the Late Jurassic limestones, and the landscape dominated by karst sinkholes. The entire Lagonaki Highland and, particularly, its observed part constitute a world-class geoheritage site, the uniqueness of which is determined, primarily, by palaeogeographical (tropical carbonate facies) and geomorphological (classical karst) features [21,27]. The abundance of unique landforms makes this geosite a geomorphosite.…”

Section: Nagai-koshki Viewpoint Geositementioning

confidence: 99%

Environment of Viewpoint Geosites: Evidence from the Western Caucasus

Mikhailenko

Ruban

2019

Land

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Viewpoint geological and geomorphological heritage sites (geosites and geomorphosites) offer panoramic views over unique geological features and landscapes dominated by significant features. The environmental context is of crucial importance for these sites. Three components of a viewpoint geosite environment are proposed: standpoint environment, transitional environment, and target environment. Each can be evaluated with a set of criteria such as presence of geological and geoheritage elements, presence and type of vegetation cover, anthropogenic intervention, and degree of fragmentation and contrast. Three examples of viewpoint geosites from the Western Caucasus are analyzed. It is shown that all three demonstrate differences between the noted components of viewpoint geosite environment. Moreover, the differences between these geosites result from their environmental differences and less from differences of their displayed geoheritage. Broad applications and further justifications of the environmental evaluation method of viewpoint geosites are recommended.

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“…A typical example of geoheritage landscape is the Lagonaki Highland in the Western Caucasus, on the territory of southwestern Russia ( Figure 1A). Its geological setting can be deduced from Adamia et al [13], Guo et al [14], Ruban [15], Saintot et al [16], and Veress et al [17]. Generally, this elevated (~2000 m) territory is a domain of the Cenozoic fold-and-thrust belt of the Greater Caucasus, and it is dominated by the Late Jurassic carbonate platform deposits accumulated in a back-arc basin, numerous epikarst and endokarst features, and cuesta-type mountain ranges.…”

Section: Introductionmentioning

confidence: 99%

Dispersed Geoheritage Points of the Lagonaki Highland, SW Russia: Contribution to Local Geoheritage Resource

2019

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Dispersed geoheritage points, which are small-sized and low-unique localities, manifest local geoheritage and, thus, may be useful for its comprehensive understanding. Field studies in the Lagonaki Highland (Western Caucasus, southwestern Russia) have permitted to find four geoheritage points that are described with argumentation of their importance to scientists, educators, and/or tourists. These points, none of which can be defined as a ‘traditional’ geosite, provide some precious sedimentary, palaeontological, and mineralogical information that improves perception of the local geoheritage landscape dominated by the Late Jurassic carbonate platform deposits. The studied localities are constituents of the local geoheritage resource because of their utility to three main categories of potential users. Scientists may be interested in these dispersed geoheritage points because of the need to collect massive geological data from big areas. Educators and tourists may appreciate these points because of their location along principal roads, i.e., their good accessibility.

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Glaciokarsts

Cited by 22 publications

References 0 publications

Unusual Isolated Large Clasts from the Periphery of the Lagonaki Highland, Western Caucasus: New Evidence of Classification and Origin

Unusual Isolated Large Clasts from the Periphery of the Lagonaki Highland, Western Caucasus: New Evidence of Classification and Origin

Environment of Viewpoint Geosites: Evidence from the Western Caucasus

Dispersed Geoheritage Points of the Lagonaki Highland, SW Russia: Contribution to Local Geoheritage Resource

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