What does aulacogen mean?
Definitions for aulacogen
aulaco·gen
This dictionary definitions page includes all the possible meanings, example usage and translations of the word aulacogen.
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Wiktionary
aulacogennoun
A tectonic trough on a craton that is formed as the failed arm of a triple-rift junction.
Wikipedia
Aulacogen
An aulacogen is a failed arm of a triple junction. Aulacogens are a part of plate tectonics where oceanic and continental crust is continuously being created, destroyed, and rearranged on the Earth’s surface. Specifically, aulacogens are a rift zone, where new crust is formed, that is no longer active.
Wikidata
Aulacogen
In geology, an aulacogen is a failed arm of a triple junction of a plate tectonics rift system. A triple junction beneath a continental plate initiates a three way breakup of the continental plate. As the continental break-up develops one of the three spreading ridges typically fails or stops spreading. The resulting failed rift is called an aulacogen and becomes a filled graben system within the continent. The term "aulacogen" is derived from the Greek aulax and was suggested by the Soviet geologist Nicholas Shatski in 1946. The crust in an aulacogen region remains weakened by previous rifting activity and thus seismic activity and, occasionally, volcanic activity may re-occur subsequently from time to time. As aulacogens remain places of weakness, given the appropriate conditions, they can reactivate into active rift valleys again, as had happened to the Ottawa-Bonnechere Graben in Ontario and Quebec, Canada, an ancient aulacogen that reactivated during the breakup of Pangaea. The Mississippi embayment with the associated New Madrid Seismic Zone is an example of an ancient aulacogen that dates back to the breakup of the ancient continent, Rodinia. This ancient rift was the site of extreme earthquakes in the early 19th century in the region. The Southern Oklahoma Aulacogen, exposed in the Wichita Mountains, is an Eocambrian rift system formed as a product of intracontinetal rifting during the breakup of Pannotia. The Rio Grande Rift is another example. Located on the Southwestern European margin is another abandoned rift, the Lusitanian Basin, that evolved at the same time as the Canadian Grand Banks region, where the Hibernia Oil Field is located.
Numerology
Chaldean Numerology
The numerical value of aulacogen in Chaldean Numerology is: 7
Pythagorean Numerology
The numerical value of aulacogen in Pythagorean Numerology is: 7
Translations for aulacogen
From our Multilingual Translation Dictionary
- aulacogenPersian
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"aulacogen." Definitions.net. STANDS4 LLC, 2024. Web. 16 Apr. 2024. <https://www.definitions.net/definition/aulacogen>.
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