Definition of Alleghanian. Meaning of Alleghanian. Synonyms of Alleghanian

Here you will find one or more explanations in English for the word Alleghanian. Also in the bottom left of the page several parts of wikipedia pages related to the word Alleghanian and, of course, Alleghanian synonyms and on the right images related to the word Alleghanian.

Definition of Alleghanian

Alleghanian
Alleghenian Al`le*ghe"ni*an, a. Also Alleghanian Al`le*gha"ni*an (Biogeography) Pertaining to or designating the humid division of the Transition zone extending across the northern United States from New England to eastern Dakota, and including also most of Pennsylvania and the mountainous region as far south as northern Georgia.

Meaning of Alleghanian from wikipedia

- The Alleghanian orogeny or Appalachian orogeny is one of the geological mountain-forming events that formed the Appalachian Mountains and Allegheny Mountains...
- south. The Central Pangean Mountains were formed during the Variscan-Alleghanian-Ouachita orogeny. Today their remains stretch over 10,000 km from the...
- Appalachians, culminating in the collision of North America and Africa (see Alleghanian orogeny). The third mountain-building event was the Acadian orogeny which...
- valleys in between. The Valley and Ridge Province was formed during the Alleghanian orogeny, a mountain-building event that occurred between 325 and 260...
- years. The Acadian orogeny began 375 Ma and lasted 50 million years. The Alleghanian orogeny began 325 Ma and lasted 65 million years. The first mountain-building...
- collision of Euramerica and northern Gondwana as part of the Variscan and Alleghanian orogenies, which began during the Carboniferous approximately 340 million...
- is unknown, but could have occurred during the Taconic, Acadian, or Alleghanian Orogenies. The terrane comprises Neoproterozoic to Early Cambrian meta-sedimentary...
- States Tennessee North Carolina Parent range Blue Ridge Mountains Borders on Bald Mountains Unicoi Mountains Plott Balsams Geology Orogeny Alleghanian...
- in the Southern Appalachian Mountains. The French Broad predates the Alleghanian orogeny, through the resulting mountains it cuts; however, the current...
- alteration by retrograde metamorphism and deformation occurred during the Alleghanian orogeny. During the latest part of this orogeny, this segment of the...