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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 rock terrace is a terrace formed by erosional action and denudation [16].?

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Your search for stripe karst (Keyword) returned 10 results for the whole karstbase:
Marble stripe karst of the Scandinavian Caledonides: An end-member in the contact karst spectrum, 2001, Lauritzen, Stein Erik

Stripe karst is an extreme case of contact karst, where the allogenic contact perimeter is very large relative to the area of the karst outcrop. This is the dominant karst found in metamorphic marble outcrops of the Scandinavian Caledonides, and is named the Norwegian karst type, as it was first described here by the Norwegian geologist Gunnar Horn. Analysis of the geometric properties of a stripe suggests that stripe karst can be defined as a narrow karst outcrop with length to width ratio (g) greater than 3 and is fully developed when g =30. Stripe karst contacts are either sub-vertical, or inclined with confined or perched contacts.

Stripe Karst, 2004, Lauritzen Se.

Cave inception and development in Caledonide metacarbonate rocks. PhD thesis, 2005, Faulkner, Trevor Laurence

This is the first comprehensive study of cave inception and development in metacarbonate rocks. The main study area is a 40000km2 region in central Scandinavia that contains over 1000 individual metacarbonate outcrops, and has nearly 1000 recorded karst caves (with passage lengths up to 5.6km). The area, which was repeatedly glaciated in the late Cenozoic, comprises a suite of nappes in the Cambro–Silurian Caledonides, a paleic range of mountains with terranes presently occurring on both sides of the northern Atlantic. Information about the stripe karst and non-stripe karst outcrops and their contained caves was assembled into computer-based databases, enabling relationships between the internal attributes of the caves and their external geological and geomorphological environments to be analysed. A rather consistent pattern emerged. For example, karst hydrological system distances are invariably shorter than 3.5km, and cave passages are positioned randomly in a vertical dimension, whilst commonly remaining within 50m of the overlying surface. This consistency is suggestive that the relevant cave inception, development and removal processes operated at a regional scale, and over long timescales. A consequence of the epigean association of caves with the landscape is that cave development can only be understood in the context of the geomorphological evolution of the host region. A review of the latest knowledge of the inception and development of caves in sedimentary limestones concluded that the speleogenesis of the central Scandinavian caves cannot be explained by these ideas. Five new inter-related conceptual models are constructed to explain cave development in metacarbonate rocks in the various Caledonide terranes. These are:
1. The tectonic inception model - this shows that it is only open fracture routes, primarily created by the seismic shocks that accompany deglaciation, which can provide the opportunity for dissolution of metalimestone rocks that have negligible primary porosity.
2. The external model of cave development - this black-box approach reveals how the formation, development and destruction of the karst caves are related to the evolution of their local landscape. During the Pleistocene, these processes were dominated by the cycle of glaciation, leading to cyclic speleogenesis, and the development of ever-longer and deeper systems, where the maximum distance to the surface commonly remains within one-eighth of the extent of change in local relief.
3. The hydrogeological model - this demonstrates that the caves developed to their mapped dimensions in timescales compatible with the first two models, within the constraints imposed by the physics and chemistry of calcite dissolution and erosion, primarily in almost pure water. Relict caves were predominantly formed in phreatic conditions beneath active deglacial ice-dammed lakes, with asymmetric distributions on east- and west-facing slopes. Mainly vadose caves developed during the present interglacial, primarily vadose, conditions, with maximum dimensions determined by catchment area. Combination caves developed during both deglacial and interglacial stages. The cross-sections of phreatic passages obey a non-fractal distribution, because they enlarged at maximum rates in similar timescales. Phreatic cave entrances could be enlarged at high altitudes by freeze / thaw processes at the surface of ice-dammed lakes, and at low altitudes by marine activity during isostatic uplift.
4. The internal static and dynamic model of cave development - this white-box approach demonstrates that many caves have ‘upside-down’ morphology, with relict phreatic passages overlying a single, primarily vadose, streamway. Both types of passage are guided along inception surfaces that follow the structural geology and fractures of the carbonate outcrops. Dynamically, the caves developed in a ‘Top-Down, Middle-Outwards’ (TDMO) sequence that may have extended over several glacial cycles, and passages in the older multi-cycle caves were removed downwards and inwards by glacial erosion.
5. The Caledonide model - this shows that the same processes (with some refinements) applied to cave development in most of the other (non-central Scandinavian) Caledonide areas. The prime influences on cave dimensions were the thicknesses of the successive northern Atlantic glacial icesheets and the positions of the caves relative to deglacial ice-dammed lakes and to local topography. Other influences included contact metamorphism, proximity to major thrusts, and marine incursions. With knowledge of these influences for each area, mean cave dimensions can be predicted.
The thesis provides the opportunity for the five models to be extended, so that cave development in other glaciated metamorphic and sedimentary limestones can be better understood, and to be inverted, so that landscape evolution can be derived from cave data.


The formation of karst caves in Caledonide metamorphic limestones in a repeatedly-glaciated 40000km2 region in cen­tral Scandinavia was initiated by tectonic inception, a process in which open fracture routes, primarily created by deglacial seismicity, provided the opportunity for subsequent dissolution and enlargement into cave passages in both deglacial and inter­glacial environments. The tectonic inception model built on re­ports of a ‘partially detached’ thin upper crustal layer in similar settings in Scotland and this paper shows that the present maxi­mum subsurface cave distance (i.e. the distance of a passage to the nearest land surface) is commonly less than one-eighth of the depth of the local glaciated valley. This suggests that frac­ture generation was related to the scale of isostatic uplift and was partly determined by the magnitude of seismicity caused by the differential pressure change and differential uplift that occurred along valley walls as the ice margin of each of the ma­jor Pleistocene icesheets receded from west to east. The maxi­mum one-eighth relationship is also commonly maintained in other Caledonide marble terranes in Scandinavia, Scotland and New England (USA), suggesting that many of the caves in these areas were formed by similar processes.

The impact of glacier ice-contact and subglacial hydrochemistry on evolution of maze caves: A modelling approach, 2010, Skoglund Rannveig Ovrevik, Lauritzen Steinerik, Gabrovsek Franci

Labyrinth and maze cave networks are a conspicuous feature in formerly glaciated stripe karst in Scandinavia. Often found in topographically “impossible” situations, their genesis is attributed to glacial ice-contact conditions. This is further supported by observing that individual networks may either be influent, effluent or through-flow; depending on the attitude of the host rock and former glacier directions. The ice-contact hypothesis is tested by using a finite difference, fracture network model where chemical and hydrological conditions can be varied. Subglacial chemistry alone (low partial pressure of CO2, low temperature) is not sufficient to favour mazes over linear caves. However, when coupled with high input saturation ratio, high and varied hydraulic gradients and glacial hydrology, the model produced cave patterns comparable in scale and complexity to our field examples.

An external model of speleogenesis during Quaternary glacial cycles in the marbles of central Scandinavia, 2010, Faulkner, T.

The marble caves of the Central Scandinavian Caledonides were formed from open fractures that were created primarily by deglacial seismicity at the culmination of each of the many complex Quaternary glaciations that the region has experienced. Subsequent inundation by deglacial ice-dammed lakes enabled phreatic enlargement by dissolution, with passages either becoming relict during the following interglacial or else being entrenched by (mainly) vadose processes if recharged by allogenic streams. Because the distance of the contemporary fractures and therefore the cave passages from the nearest land surface is commonly constrained to be less than one-eighth of the depth of the local glaciated valley, the caves are rather epigean in nature. This subsurface cave distance is of the same order of magnitude as the thickness of rock removed from valley walls and floors at each major glaciation, suggesting that, when viewed over several glacial cycles, caves are involved in a race to develop deeper during deglaciation and the following interglacial before their upper levels are removed by erosion at the next glaciation. Indeed, relatively few cave passages in the study area can have survived from the previous, Eemian, interglacial.
This paper examines evidence for the interglacial and erosional processes and utilises a 'black box' approach to provide an external model for cave development and removal. It proposes that Caledonide marble caves in stripe karst outcrops should especially be considered as four-dimensional objects throughout their commonly intermittent existence. Mainly vadose caves are regarded as 'half-cycle' caves that developed primarily in the Holocene. Relict caves (primarily phreatic) and combination caves (with both phreatic and vadose elements) are commonly 'single-cycle' caves that developed their relict phreatic passages during Weichselian deglaciation, and only a few are 'multi-cycle' caves that have experienced several Pleistocene glacial cycles. The existing caves are more numerous and commonly larger than those that were present during previous interglacials.

Subglacial Maze Origin in Low-Dip Marble Stripe Karst: Examples from Norway, 2011, Skoglund R. O. , Lauritzen S. E.

Maze caves or network caves are enigmatic in their evolution, as they form flow nets rather than more efficient, direct point-to-point flow routes. Network caves are often characterized by uniform passage dimensions in several directions, which indicates simultaneous dissolution of most available fractures. Nonshauggrotta in Gildeska° l, northern Norway, is formed in low-dip marble strata and situated as a relict in a topographical and hydrological hanging position, thus lacking a modern drainage area. The cave displays a reticulate network geometry dictated by two orthogonal fracture sets. Passage morphology and paleocurrent marks in the cave walls (scallops) demonstrate that the cave evolved under water-filled conditions (phreatic) and that the relatively slow flow was directed uphill towards the confining aquiclude and the cliff face. In that sense, it has some resemblance to hypogene caves. However, we propose that the cave is a result of ice-contact speleogenesis, as it developed in the lee side of the Nonshaugen ridge under topographically directed glacier flow and seems independent of the otherwise variable flow regimes characteristic of the glacial environment.

Kontaktkarst im Bereich Murursprung-Rosskar (Lungau, Salzburg) , 2011, Steinwender C, Plan L.
The karst morphology of the high-alpine area east of the Mur spring (Province of Salzburg, Austria) was studied. Various surface karst features and seven new caves were documented. The 10 to 50 m thick carbonate sequence at the Mur spring is part of the Mesozoic Silbereck Marble Group which stretches along the northern margin of the Tauern-Window. Differences in the dipping of the strata with respect to the slope result in two different appearances of the karst on both sides of the Rosskar fault: carbonate rocks east of the fault are widely exposed and autogenic recharge is dominant. West of the fault the narrow marble band is mainly recharged by allogenic waters (stripe karst). Intense karstification is visible in both allogenically and autogenically fed areas. Waters infiltrating in the higher lying catchment suggest a single hydrologic system between the Frauennock and the Mur spring. Despite the small thickness of the carbonates remarkable caves exist and a total length of 337 m was surveyed. More than 150 dolines as well as other karst features including karren and ponors were mapped.

Glacier ice-contact speleogenesis in marble stripe karst, 2013, Lauritzen S. E. , Skoglund R. �.

Relict phreatic caves, in hanging positions within a glacial topography, pose an enigma with respect to the speleogeneticinterpretation. A glacier ice mass may provide liquid water and create caves anywhere in the adjacent rock, making glacierice-contact as well as interglacial, meteoric speleogenesis feasible. The problem is reviewed with relevant glacier rheology,hydrology, and chemistry. The glacial environment was certainly able to overprint and widen already existing caves (sensulato speleogenesis), while the full evolution of caves from tight fractures (sensu stricto speleogenesis) was slow and inefficient(about 1/40) as compared to nonglacial conditions

GLACIER ICE-CONTACT SPELEOGENESIS, 2013, Lauritzen S. E. Skoglund R. Ø, .


The classic hypothesis of G. Horn’s (1935) subglacial speleogenesis as an explanation of the relatively small diameter cave conduits in the Scandinavian marble stripe karst is reviewed. Recent work, including accurate cave mapping and morphological analysis, radiometric dating of cave deposits, chemical kinetics experiments and computer simulations have challenged the old theory. Scandinavia has relatively small caves that often have surprisingly high ages, going beyond the limit of Th/U dating. The high ages are apparently compensated by correspondingly slow wall retreat rates in the icecontact regime, and longer periods when the caves were inactive. Ice-contact speleogenesis varied in time and space, in pace with waxing and waning of wet-based ice. Maze or labyrinth morphology appears as a characteristic feature of caves ascribed to these processes.

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