Community news

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. ...

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 chert, chert nodule is 1. black, brown or grey rock, consisting of very fine-grained silica, that occurs as horizons of nodules and discontinuous bands, generally less than 200mm thick, within many limestones. it is very hard and almost insoluble in water, so commonly it projects from cave walls where it forms passage or shaft ledges and waterfall lips [9]. 2. light-cream or gray to black rock composed of silica, found occurring as nodules or layers in limestone, or as a replacement of limestone [10].?

Checkout all 2699 terms in the KarstBase Glossary of Karst and Cave Terms

Associate prof. ashraf mostafa (Egypt)

Contact by email Contact by email
Address: department of geography, faculty of arts, assiut university, assiut city, elgomhria street, the encint building of the university.
Affiliation: department of geography, faculty of arts, assiut university.
Specialization: Geomorphology
Instrumentation: the role of karstification in forming the landforms of egypt.
Geoactivity: the western desert and the eastern desert of egypt.
Interests: �karst geomorphology in the desert, especially,�the�cave�and�karst�landform(cone�karst,�towers,�dolines,�polje,�vallyes and collapsed�caves)�in�the�western�desert�and�the�eastern�desert�of�egypt.Hypogene caves�
Member of Speleogenesis.info since 2009-05-07