Characterisation of potholes formed on bedrock sandstones at Loei Dun, Phetchabun Geopark, Thailand

Singtuen, Vimoltip; Junjuer, Thitaree

doi:10.2478/logos-2022-0003

Cited by 7 publications

(4 citation statements)

References 32 publications

(31 reference statements)

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“…Similar characteristics from previously studied sandstone landforms characterize the epithets of these landforms, including shapes, sizes, and features as well as their spectacular sceneries [10] [11] [12] [13] [14]. In terms of the pothole site, this area shows lateral paleo-pothole characteristics that were eroded in the past and were lifted up by geologic structure [13]. The sandstone morphologies are the product of weathering and degradational processes with the difference in resistance to erosion of bedrocks.…”

Section: Geomorphological Features For Geotourism Developmentsupporting

confidence: 57%

Geology of Hin Chang Si Sandstone Geoheritage in Khon Kaen Province for Geotourism Planning of Northeastern Thailand

Singtuen¹,

Vivitkul²,

Pringproh³

2022

OJG

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One of the most distinguished sandstone geoheritage resources in the Khorat Plateau is Hin Chang Si located in the Nam Phong National Park, Khon Kaen Province. The clastic sedimentary rocks of the Phra Wihan Formation of the Khorat Group covered this area. As a result of the lithologic study, the Hin Chang Si consists of pebbly sandstone, moderately sorted medium-to coarse-grained sandstone, and a small amount of siltstone interbedded with laminated shale. The characteristics (colors, cementation, and degrees of weathering) divided sandstones into two groups, including white grain-supported sandstone with silica cement and matrix-supported sandstone with Fe-rich cement. In addition, these sandstones present primary sedimentary structures, which comprise tabular cross-bedding and normal grading as well as bioturbation. Hin Chang Si demonstrates many geomorphological features, including cliffs, potholes, rock pillars, polygonal cracks, caves, tafoni, runnels, and natural arches according to inventory. The weathering and degradation processes in humid tropical conditions are the main processes that caused these geomorphological features. Whereas many primary factors affected various types of morphology that are composed of joints, folds, and faults. The national park provides the natural trail map, tourism information, and biodiversity data to visitors; however, geological information about sandstone landforms should be actualized for geotourism development.

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Section: Geomorphological Features For Geotourism Developmentsupporting

confidence: 57%

Geology of Hin Chang Si Sandstone Geoheritage in Khon Kaen Province for Geotourism Planning of Northeastern Thailand

Singtuen¹,

Vivitkul²,

Pringproh³

2022

OJG

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“…As for cultural appeal, there are lines of evidence from Iran [67] and Romania [68] about the successfulness of the use of popular cultural ideas in geotourism. It should be noted that some geosites representing labyrinthlooking features [69] and landslides [50,70], as well as some large geosites with inner trails showing complex configuration [71], have already been regarded as important in geotourism. The literary information provided above proves that the three established factors are not restricted to the studied geosite in question.…”

Section: Broader Meaning Of the Proposed Factors Of Successmentioning

confidence: 99%

The Hosta’s Labyrinth on the Black Sea Shore: A Case Study of “Selling” Geosites to the Lay Public

Yashalova,

Ermolaev,

Ruban

2023

Heritage

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Geoheritage sites are important resources due to the diverse ways in which they can be utilized. There are small, low-ranked geosites that have attracted significant attention from the lay public. This study reports on one such geosite from the Hosta area of the Western Caucasus. Field observations allowed us to make judgments related to its geoheritage properties and establish the factors for its successful touristic exploitation. This geosite represents a furrow in the Upper Cretaceous limestones in the area, which inherited the former weak zone or minor fault and grew due to landslides. The degree of uniqueness of this geosite is low; it is curvilinear in space; it boasts perfect accessibility, including from a nearby resort, and its landscape context is scenic. The Labyrinth geosite is located in a yew–boxwood grove in the natural reserve, and it is visited by crowds of tourists. Three direct factors in its exploitation success are proposed as follows: story (popular explanation of the geosite’s origin), route (inclusion into a popular touristic route through the grove), and cultural appeal (analogy to man-made labyrinths). Applying these factors to another geoheritage-rich area of the Western Caucasus implied that some of them may not be meaningful according to objective reasons, but that there are other important factors such as geoproduct (particularly geofood) selling. It is also noted that the small size and relatively low value of geosites do not necessarily limit their geotouristic potential. Overall, this case study suggests that “selling” geosites successfully requires advanced, innovative solutions and significant creativity.

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“…All these changes severely affect the geomorphology of the area. Reduces the natural stream discharge and energy (21)(22)(23)(24)(25) . This situation can be quantified at Mhase Khurd in further studies.…”

Section: Recent Anthropogenic Effects On the Study Sitesmentioning

confidence: 99%

Appraisal and Assessment of Hydraulic Geometry and Development of Potholes on Bedrock Channel of Kukadi River, Maharashtra, India

Jethe,

Thakare

2023

IJST

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Objectives:The present research aims to study the hydrogeomorphology, mechanism of channel morphology, development and distribution of the potholes in the Kukadi River, Maharashtra. To ascertain the size and shape relationship of the potholes. To find out the recent anthropogenic effects on the bedrock lithology of the Kukadi River. Methods: The comprehensive methods of Remote Sensing and GIS techniques are used to determine hydraulic geometry and pothole development. Six geomorphological sites were selected for section-based profiling. The measurements were taken by dumpy level, GPS and total station survey. Field survey was conducted to determine the geometry of the size shape and depth of the potholes. Pebbles and grinding tools within the potholes were also collected to analyse the capacity and role of joints, cracks and fractures in the development of potholes. All maps were prepared in a GIS environment. Findings: The present study reveals the mechanism of pothole development at six major sites. Section-based profiling highlights the dominance of hydrodynamics, stream energy and capacity. The hydraulic geometry of the Kukadi river conforms to the relationship between the depth and diameter of potholes. It also ascertains the role of joints, cracks and fractures at riverbeds in the development of potholes. Thus Depth and diameter of the Kukadi river are almost maintained by lithology. Based on shape Honewadi (585 MSL) 29.03% (31) potholes are irregular in shape, Gadilgaon(575 MSL) is 27.08%(48) rounded, Gunore(570 MSL) is 26.78% (15) irregular, Dongargaon(565 MSL) 25.01%(44), Kohokadi (560 MSL) 28.26% (13)irregular while Mhase(565 MSL)39.95% (13) Club shape in nature Novelty: The scope of the present research is to provide a comprehensive assessment of the hydraulic geometry and potholes development on bedrock channel, which has received limited attention in previous studies. The study employs a multidisciplinary approach that combines field observation, hydrological and geomorphological measurement.Thus the study highlights their geoenvironmental, ecological and cultural values in the context of sustainable river management and conservation https://www.indjst.org/ 2822

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Characterisation of potholes formed on bedrock sandstones at Loei Dun, Phetchabun Geopark, Thailand

Cited by 7 publications

References 32 publications

Geology of Hin Chang Si Sandstone Geoheritage in Khon Kaen Province for Geotourism Planning of Northeastern Thailand

Geology of Hin Chang Si Sandstone Geoheritage in Khon Kaen Province for Geotourism Planning of Northeastern Thailand

The Hosta’s Labyrinth on the Black Sea Shore: A Case Study of “Selling” Geosites to the Lay Public

Appraisal and Assessment of Hydraulic Geometry and Development of Potholes on Bedrock Channel of Kukadi River, Maharashtra, India

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