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Speleology in Kazakhstan

Shakalov on 04 Jul, 2018
Hello everyone!   I pleased to invite you to the official site of Central Asian Karstic-Speleological commission ("Kaspeko")   There, we regularly publish reports about our expeditions, articles and reports on speleotopics, lecture course for instructors, photos etc. ...

Speleology in Kazakhstan

Shakalov on 04 Jul, 2018
Hello everyone!   I pleased to invite you to the official site of Central Asian Karstic-Speleological commission ("Kaspeko")   There, we regularly publish reports about our expeditions, articles and reports on speleotopics, lecture course for instructors, photos etc. ...

Speleology in Kazakhstan

Shakalov on 11 Jul, 2012
Hello everyone!   I pleased to invite you to the official site of Central Asian Karstic-Speleological commission ("Kaspeko")   There, we regularly publish reports about our expeditions, articles and reports on speleotopics, lecture course for instructors, photos etc. ...

New publications on hypogene speleogenesis

Klimchouk on 26 Mar, 2012
Dear Colleagues, This is to draw your attention to several recent publications added to KarstBase, relevant to hypogenic karst/speleogenesis: Corrosion of limestone tablets in sulfidic ground-water: measurements and speleogenetic implications Galdenzi,

The deepest terrestrial animal

Klimchouk on 23 Feb, 2012
A recent publication of Spanish researchers describes the biology of Krubera Cave, including the deepest terrestrial animal ever found: Jordana, Rafael; Baquero, Enrique; Reboleira, Sofía and Sendra, Alberto. ...

Caves - landscapes without light

akop on 05 Feb, 2012
Exhibition dedicated to caves is taking place in the Vienna Natural History Museum   The exhibition at the Natural History Museum presents the surprising variety of caves and cave formations such as stalactites and various crystals. ...

Did you know?

That moor is a wet peat bog [16].?

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KarstBase a bibliography database in karst and cave science.

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Geochemical and mineralogical fingerprints to distinguish the exploited ferruginous mineralisations of Grotta della Monaca (Calabria, Italy), Dimuccio, L.A.; Rodrigues, N.; Larocca, F.; Pratas, J.; Amado, A.M.; Batista de Carvalho, L.A.
Karst environment, Culver D.C.
Mushroom Speleothems: Stromatolites That Formed in the Absence of Phototrophs, Bontognali, Tomaso R.R.; D’Angeli Ilenia M.; Tisato, Nicola; Vasconcelos, Crisogono; Bernasconi, Stefano M.; Gonzales, Esteban R. G.; De Waele, Jo
Calculating flux to predict future cave radon concentrations, Rowberry, Matt; Marti, Xavi; Frontera, Carlos; Van De Wiel, Marco; Briestensky, Milos
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Your search for gypsum karst (Keyword) returned 134 results for the whole karstbase:
Showing 1 to 15 of 134
Morphology and Hydrogeology of Gypsum Karst (In Russian), 1979, Gorbunova K. A.

The Role of CO2 In Gypsum Speleogenesis: First contribution., 1981, Forti Paolo, Rabbi Ernesto
Starting from direct observation carried out inside gypsum caves around Bologna (Italy), the authors develop a new theory about the role played by CO2 in gypsum karstification. Such a theory agrees with the presence of calcite sinters inside gypsum caves without any source of calcium carbonate (cover or interbedding layer). Moreover, starting from this theory, gypsum speleogenesis has to be always considered as a hyperkarstic phenomenon (more than 3 components at the equilibrium).

Le karst mconnu du domaine aride et semi-aride, 1983, Jennings, J. N.
Knowledge of semiarid-arid karst is poor, especially as regards process rates. Explanation of well-developed karst here must then depend on independent environmental history. Impoverishment in carbonate karst with decreasing rainfall is demonstrable but the factor of inadequate cave exploration has to be weighed. Distinction between desert and karst factors presents problems. Individuality in dryland karst is more a question of changing relative importance of phenemena found more widely than of distinctive forms. Such process studies as exist suggest wide variation. Gypsum karst develops as well in semiarid as humid climate and halite karst is expressed best in arid.

Les karsts du gypse dans la dpression de l'Ebre, 1985, Guttierez M. , Ibanez M. J. , Pena J. L. , Rodriguez J. , Soriano M. A.
A FEW EXAMPLES OF GYPSUM KARSTS IN THE EBRO DEPRESSION (SPAIN) - Three areas where dissolution processes in gypsum formations have taken place, are studied. They show different geologic arrangements, one of them being folded, another in a flat--lying strata, and the third one covered by a thick unit of alluvials of the Ebro river. The climatic conditions are similar for these areas. Several kinds of dolines morphology, uvalas and large depressions similar to poljes can be distinguished. It seems to be established in the origin of some of these landforms, an interrelation between the fluvial processes and the dissolution ones.

Les karsts de gypse italiens ( propos du Symposium inter-national sur les karsts des vaporites), 1986, Choppy, J.
ITALIAN GYPSUM KARSTS - Synthesis of field observations and bibliographic data on shallow and deep gypsum karsts in Italy; these karsts are located in Trias (Emily) and in Messinian (continental Italy, especially near Bologna, and Sicily). The author describes clints of Sicily, the features of erosion and filling in underground caves.

Gypsym karst in the NW part of the Nordenskiold Land - West Spitsbergen. [in Polish], 1989, Pulina Marian, Postnov Igor

Le karst du gypse du centre de la dpression de l'Ebre (Espagne), 1990, Soriano, M. A.
THE GYPSUM KARST OF THE CENTER OF THE EBRE BASSIN (SPAIN) - The central Ebro basin was filled with evaporitic deposits (gypsum and limestones) during the Miocene. During the Quaternary, several alluvial terrace and pediment levels were developed and they overlay the gypsum deposits. A large number of karstic landforms developed on gypsum have been found. The most important reason is its high solubility. We have found different types of microlandforms. The most important are Rillenkarren, solution pits and micro etching. There are also small tumuli. They are active at present. We have differentiated three macrolandforms: paleocollapses, depressions and alluvial dolines. The paleocollapses are very narrow and deep. They are filled with quaternary materials. They are not active and were generated in the Middle or Upper Pleistocene. The depressions were developed by the gypsum dissolution, together with topographical and geomorphologic factors. They do not seem to be active nowadays. The alluvial dolines are developed on the terrace and pediment deposits, which overlay gypsum materials. There is basin, well and pan-shaped dolines and they are especially frequent in the T2 terrace level. From the study of aerial photographs of different years, the variations in the number and size of dolines and their density have been determined. Natural factors (lithology and fractures), together with human activities (irrigation) are the principal causes in their development.

Evolution of gypsum karst in the Kirschberg Evaporite Member near Fredericksburg, Texas, 1990, Warren John K. , Havholm Karen G. , Rowen Michael R. , Parsley Matthew J. ,

Approche gomorphologique des karsts du gypse de la Vanoise (la zone alpine et glaciaire du vallon du Fruit-Gbroulaz,Alpes), 1991, Chardon, M.
GYPSUM KARSTIC LANDFORMS IN VANOISE: the alpine and glacial valley of Vallon du Fruit-Gbroulaz (Alps, France) - In the inner part of the northern french Alps, the higher regions of the Vanoise offer outcrops of Triassic gypsum of which the surface and thickness vary. In the vallon du Fruit, the Gbroulaz glacier partially covers a long strip of gypsum, which reaches its highest point at the Roc de la Soufrire (2940 m). Rivers and springs in the vallon du Fruit are fed both by sub-aerial glacial outflows and by karstic underground flows, which are pro-glacial and sub-glacial. A very low chemical dissolution exists under the glacier and along the fast pro-glacial underground and sub-aerial flows, whereas the rate of karstic denudation is high in the margin of the glacier where it reaches 1500 mm/ky at around 2500m (1 ky = 1000 years). The formation and evolution of the dolines is rapid and occurs through underground sucking and dissolution once the area is deglaciated, thanks to underground active flows fed by the glacier and snow melting. Gypsum domes are uplifted under the effects of neotectonic movements and postglacial decompression brings about considerable superficial fissuring because of the elasticity of the rock. Over 10,000 years, the morphogenesis of these domes in the humid and cold climatic conditions of these high alpine mountains has transformed them into perforated ladle and domes. Small outcrops are changed into monoliths or gypsum inselberg. A model of the geomorphologic post-glacial evolution of these domes, over some 20,000 years, is proposed.

Recherches nouvelles sur les karsts des gypses et des vapo-rites associes (premire partie : processus et cavernement), 1992, Nicod, J.
NEW RESEARCH ON GYPSUM KARST AND ASSOCIATED EVAPORITES. FIRST PART: PROCESSES AND CAVE DEVELOPMENT - Drawing on the results of a great number of studies, this paper aims to stress the various processes and their interactions in gypsum karst and associated evaporites. They include the effect of diapirism, dissolution and chain reactions, cave collapse and external geomorphic processes. In the case of cave formation, the paper underlines the role of interstratal aquifers

Le karst du gypse des Andes de Mendoza-Neuquen (Argentine), 1992, Salomon J. N. , Bustos R.
THE GYPSUM KARST OF MENDOZA-NEUQUEN (ANDES, ARGENTINA) - Gypsum and anhydrite formations are highly developed in the Andes at the latitude of Santiago (Chile) and Mendoza (Argentina), where they have played a fundamental part in the various stages of the Andes orogeny. After a brief description of the geological background of the cordillera and some information on the main gypsum formations (Tabanos, Auquilco, Huitrin, Papol), the authors deal with the specific climatic context of the high cordillera: a cold and dry atmosphere (high altitude) apparently hardly propitious to the appearance of karstic phenomena. The latter nevertheless do exist and are often well-developed (Pozo de las Animas). They come mainly in the shape of domes and dolines whilst in the bottom of the valley numerous ferruginous crusts are noteworthy. Although the endokarst suffers from the fragility of the rock, a number of caves have developed, some of which are outstanding (Cueva del Leon, 1km).

The gypsum karsts and caves of the Canadian Maritimes, 1996, Moseley Max

Underground drainage study of Sorbas gypsum basin, 1996, Pledel, Brunomartinez

Gypsum karst of the pre-Ural region, Russia., 1996, Andrejchuk Vjacheslav
Description of the gypsum karst of the pre-Ural region in Russia, with special emphasis on speleogenesis.

Breakdown development in cover beds, and landscape features induced by intrastratal gypsum karst., 1996, Andrejchuk Vjacheslav, Klimchouk Alexander
Intrastratal karst is by far the predominant gypsum karst type. Its development may begin in deep-seated settings within rocks already buried by younger strata, and it proceeds increasingly rapidly as uplift brings gypsum sequences into progressively shallower positions. Such development commonly occurs under confined (artesian) hydrogeological conditions, that subsequently change to open conditions (phreatic-water table-vadose). The general evolutionary line of intrastratal karst is typified by progressive emergence of a sequence into a shallower position, activation of groundwater circulation and development of cave systems within karst units, commencement of gravitational breakdown and its upward propagation through overlying beds, and development of a karst landscape. These processes and phenomena progress through the directed evolution of karst types as follows: deep-seated intrastratal karst (1K) to subjacent 1K to entrenched 1K to denuded karst. One of the main characteristics of intrastratal karst is that it induces gravitational breakdown in cover beds. With the aid of processes other then simple breakdown, such effects may propagate upwards and may, or may not, reach the surface, depending upon the thickness and structure of the overburden. A karst landscape evolves when such features reach the surface. This paper considers the conditions and mechanisms of such development.

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