Is Ishtar Terra a thickened basaltic crust?

Details Is Ishtar Terra a thickened basaltic crust? Is Ishtar Terra a thickened basaltic crust?

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992lpico.789....4a&link_type=abstract

In Lunar and Planetary Inst., Papers Presented to the International Colloquium on Venus p 4-5 (SEE N93-14288 04-91)

Computer Science

Basalt, Lithosphere, Mountains, Phase Transformations, Planetary Crusts, Planetary Geology, Planetary Gravitation, Tectonics, Topography, Venus Surface, Convection, Melting, Phase Diagrams, Thermal Boundary Layer, Venus (Planet)

Scientific paper

The mountain belts of Ishtar Terra and the surrounding tesserae are interpreted as compressional regions. The gravity and surface topography of western Ishtar Terra suggest a thick crust of 60-110 km that results from crustal thickening through tectonic processes. Underthrusting was proposed for the regions along Danu Montes and Itzpapalotl Tessera. Crustal thickening was suggested for the entire Ishtar Terra. In this study, three lithospheric models with total thicknesses of 40.75 and 120 km and initial crustal thicknesses of 3.9 and 18 km are examined. These models could be produced by partial melting and chemical differentiation in the upper mantle of a colder, an Earth-like, and a hotter Venus having temperatures of respectively 1300 C, 1400 C, and 1500 C at the base of their thermal boundary layers associated with mantle convection. The effects of basalt-granulite-eclogite transformation (BGET) on the surface topography of a thickening basaltic crust is investigated adopting the experimental phase diagram and density variations through the phase transformation.

Affiliated with

Also associated with

No associations

Rating

Is Ishtar Terra a thickened basaltic crust? does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Is Ishtar Terra a thickened basaltic crust?, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Is Ishtar Terra a thickened basaltic crust? will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1138441