Evaluation of Boulder Deposits Linked to Late Neogene Hurricane Events

Johnson, Markes E.; Ledesma-Vázquez, Jorge

doi:10.3390/jmse9111278

Cited by 1 publication

(1 citation statement)

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“…The upper bed marks cliff retreat and beach extension. Hypothetically, megaclasts were emplaced by tsunamis or severe tropical storms-analogues are known from both present and ancient sedimentary archives [45][46][47][48][49][50][51]. The accumulation of coarse siliciclastics and the subsequent shift to carbonate deposition mark the transgression of the palaeosea.…”

Section: Gosh 411 Descriptionmentioning

confidence: 99%

Islands in the Caucasian Sea in Three Mesozoic Time Slices: Novel Dimension of Geoheritage and Geotourism

Ruban

2022

JMSE

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Framing geoheritage thematically is important to reveal its diversity. Field investigations in the western part of the Greater Caucasus orogen have allowed for the characterization of three localities representing palaeoislands of the Caucasian Sea, which evolved as a semi-enclosed, marginal palaeosea during the Mesozoic. The Gosh locality represents coarse siliciclastics formed on the cliffed shore of the early Induan (Early Triassic) island. The Lipovy locality exhibits conglomerates accumulated on the shore of the early Toarcian (Early Jurassic) island due to erosion of the uplifted crystalline rocks. The Shakhan locality boasts a representative section of cross-bedded sandstones deposited on the alluvial plain of the Hauterivian (Early Cretaceous) island. All these localities are interpreted as geoheritage points, which are parts of larger geosites. Taken together, these points constitute thematic geoheritage sites reflecting the existence of palaeoislands in all Mesozoic periods, which is essential for the understanding of the evolution of the Caucasian Sea during this era. These localities are perfectly accessible, but visiting them requires professional interpretation. The importance of the thematic geoheritage makes its adequate management urgent (particularly, maintenance of geoheritage points, the installation of interpretive panels, and promotion). A geoexcursion route is proposed to facilitate geotouristic exploitation of the characterized geoheritage sites.

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