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'''Ovda Regio''' is a crustal [[plateau]] located in the western equatorial highland region of [[Aphrodite Terra]] and stretches from 10<sup>o</sup>N to 15<sup>o</sup>S and 50<sup>o</sup>E to 110<sup>o</sup>E. Known as the largest crustal plateau in [[Venus]], the Regio covers an area of approximately 15,000,000 km<sup>2</sup> and bounded by regional plains to the north, the Salus Tessera to the west, the [[Thetis Regio]] to the east, and Kuanja as well as Ix Chel chasmata to the south. Its geologic feature significance of crustal plateau serves as a place to hold the localized tessera terrains in the planet, which makes up roughly 8% of Venus' surface area. <ref>{{cite journal|last1=Ghent|first1=Rebecca|last2=Hansen|first2=Vicki|title=Structural and Kinematic Analysis of Eastern Ovda Regio, Venus: Implications for Crustal Plateau Formation|date=6 January 1999|accessdate=16 February 2015}}</ref> The tectonic evolution of crustal plateaus on Venus has been a highly debated topic in the planetary science community. Being able to understand its evolution is believed to hold the key to unlock the fundamental knowledge of geodynamic history of Venus.
==Regional Geologic Setting==
===Central Ovda===


===Western Ovda===
==Structural Geology==


===Eastern Ovda===
===Deformation===
The deformation in Ovda Regio is characterized mainly by ribbons, folds, and a complex of [[graben]].


==Crustal Plateau Formations==
==Structural Description==
===Modelling===


==References==
==Tectonic Evolution==
===Tectonic models===

==Geodynamic Implications==
===Crustal plateau modelling===

Revision as of 06:08, 1 March 2015


Ovda Regio is a crustal plateau located in the western equatorial highland region of Aphrodite Terra and stretches from 10oN to 15oS and 50oE to 110oE. Known as the largest crustal plateau in Venus, the Regio covers an area of approximately 15,000,000 km2 and bounded by regional plains to the north, the Salus Tessera to the west, the Thetis Regio to the east, and Kuanja as well as Ix Chel chasmata to the south. Its geologic feature significance of crustal plateau serves as a place to hold the localized tessera terrains in the planet, which makes up roughly 8% of Venus' surface area. [1] The tectonic evolution of crustal plateaus on Venus has been a highly debated topic in the planetary science community. Being able to understand its evolution is believed to hold the key to unlock the fundamental knowledge of geodynamic history of Venus.

Structural Geology

Deformation

The deformation in Ovda Regio is characterized mainly by ribbons, folds, and a complex of graben.

Crustal Plateau Formations

Modelling

References

  1. ^ Ghent, Rebecca; Hansen, Vicki (6 January 1999). "Structural and Kinematic Analysis of Eastern Ovda Regio, Venus: Implications for Crustal Plateau Formation". {{cite journal}}: |access-date= requires |url= (help); Cite journal requires |journal= (help)