Ouachita orogeny


Ouachita orogeny

      a mountain-building event that resulted in the folding and faulting of exposed strata in the Ouachita Geosyncline in the southern portion of the United States in Arkansas, Oklahoma, and the Marathon uplift region of West Texas. The deformation is Late Paleozoic (Paleozoic Era) in age, probably culminating between the Late Pennsylvanian and the Early Permian (about 280,000,000 years ago). The orogeny resulted in a northward and westward compression in the geosynclinal strata onto adjacent platform rocks.

* * *


Universalium. 2010.

Look at other dictionaries:

  • Ouachita orogeny — The Ouachita Mountains lie south of the Arkansas River valley which separates them from the Ozark plateau. The Ouachita orogeny was a mountain building event that resulted in the folding and faulting of strata currently exposed in the Ouachita… …   Wikipedia

  • Ouachita Mountains — topographic map …   Wikipedia

  • Ouachita — may refer to: In geography: Ouachita Mountains Ouachita orogeny the geologic event that raised the Ouachita Mountains Ouachita River Ouachita Parish, Louisiana Ouachita County, Arkansas Ouachita National Forest Ouachita National Recreation Trail… …   Wikipedia

  • Ouachita Geosyncline — ▪ geology       a linear trough in the Earth s crust in which rocks of the Paleozoic Era (from 251,000,000 to 542,000,000 years ago) were deposited along the southern margin of North America, from Mississippi to eastern Mexico. Most of the belt… …   Universalium

  • Ouachita geosyncline — The Ouachita geosyncline is a major fold ralong southern North America. It is mostly covered by sediment from the Mississippian and later, but it outcrops in the Austin, Texas region, spanning Oklahoma and Arkansas, where it forms the Ouachita… …   Wikipedia

  • Variscan orogeny — The Variscan (or Hercynian) orogeny is a geologic mountain building event caused by Late Paleozoic continental collision between Laurasia and Gondwana to form the supercontinent of Pangea.NamingThe name, Variscan , comes from the Medieval Latin… …   Wikipedia

  • North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …   Universalium

  • Carboniferous Period — Interval of geologic time 354–290 million years ago, marked by great changes in world geography. All the landmasses drew closer together as a result of tectonic plate movements. The supercontinent Gondwana occupied much of the Southern Hemisphere …   Universalium

  • Permian Basin — ▪ area, Texas, United States also called  West Texas Basin   large sedimentary basin in western Texas and southeastern New Mexico, U.S., noted for its rich petroleum, natural gas, and potassium deposits. Due to its economic importance, it is one… …   Universalium

  • Wichita Mountains — Range Elk Mountain, in the eastern Wichita Mountains …   Wikipedia


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.