Computer Science
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992lpico.789...93r&link_type=abstract
In Lunar and Planetary Inst., Papers Presented to the International Colloquium on Venus p 93-94 (SEE N93-14288 04-91)
Computer Science
Bending, Buckling, Flexing, Highlands, Lithosphere, Planetary Crusts, Venus Surface, Planetary Evolution, Planetary Geology, Tectonics, Temperature Gradients, Venus (Planet)
Scientific paper
The Salme ridge belt can be interpreted as being the leading edge of a venusian crustal unit that moved against the highland foreland unit. It is indicative of a compressional zone, with a thrust front facing west. The Salme ridge belt with adjoining structures is an evident indication of lateral stresses and adjoining crustal movements on Venus. It supports the idea of southeast compression against and over the foreland planitia, which has bent under the load and/or lateral stress, resulting in trough and bulge formation in front of the ridge belt. The origin of the driving force for the movements remains masked. Laima Tessera is located in the direction from which the thrust is thought to apply but there are no appropriate candidates for a rift zone although a thrust from the southeast would be in good agreement with structures of Laima Tessera. The temperature gradient suggests that the lithosphere is approximately 12 km thick, while its elastic layer is approximately 3 km thick based either on the load-induced flexure model or on the compressional buckling model.
Kauhanen K.
Raitala Jouko
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