Desiccation Cracks
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Formal Metadata
| Title |
Desiccation Cracks
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| Alternative Title |
Trockenrisse
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| Author |
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| License |
No Open Access License:
German copyright law applies. This film may be used for your own use but it may not be distributed via the internet or passed on to external parties. |
| DOI | |
| IWF Signature |
W 2201
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| Publisher |
Freie Universität Berlin, Zentraleinrichtung für AV-Medien
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| Release Date |
1992
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| Language |
English
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| Producer |
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Technical Metadata
| IWF Technical Data |
Video ; F, 18 min
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Content Metadata
| Subject Area | |
| Abstract |
Einführung in Kontraktionserscheinungen und Erläuterung von Trockenrissen an modernen und fossilen Beispielen (Zeitrafferaufnahmen, Computersimulationen). Darstellung der orthogonalen Musterbildung im Trick. Geologische Bedeutung für Paläogeographie, Tektonik und Sedimentologie.
The film introduces into the field of contraction phenomena and explains why desiccation cracks are formed. It describes the main features of desiccation cracks using both modern and fossil examples and demonstrates, via time lapse, how desiccation cracks develop in an experiment. The computer reproduces this process plotting the sequence of the digitized cracks. Graphic animation shows the interaction between tensile strength and tensile stress responsible for the information of the orthogonal crack pattern. Finally, the possible geological meaning of desiccation cracks is discussed.
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| Keywords |
Paläogeographie
Sedimentologie
Tektonik
geopetales Gefüge
Trockenrisse
desiccation cracks
tectonics
geopetal structures
sedimentology
paleogeography
|
