aulacogen

English

Noun

aulacogen (plural aulacogens)

1. (geology) A tectonic trough on a craton that is formed as the failed arm of a triple-rift junction.
   • 1980, Robert L. Bates, Julia A. Jackson, editors, Glossary of Geology, Falls Church, Virginia: American Geological Institute:

     The Barnett Shale originated as a normal marine shelf deposit on the southwestern fIank of the subsiding Southern Oklahoma aulacogen...

Translations

Translations

• Polish: aulakogen m