Terrane - Wikipedia
The crustal block or fragment preserves its distinctive geologic history, which is different from the surrounding areas—hence the term "exotic" terrane. The suture zone between a terrane and the crust it attaches to is usually identifiable as a fault.
Basics--Exotic Terranes - Wenatchee Valley College
Jul 10, 2011 · Terranes range in size from a few tens to a few thousands of square miles. Plate tectonics explains how terranes can be moved across an ocean and added to a continent. Because terranes come from a distant location they are often referred to as exotic terranes.
Exotic Terrane takes you on a geologic odyssey through beautiful Hells Canyon in the fic Northwest, to explorc some of the rocks and fossils scientists have used to reach their conclusions about exotic terranes.
Oregon: A Geologic History - Unit 1. Exotic Terranes ...
Oregon’s oldest rocks originated as volcanic island arcs far out in the ocean, at a time when the Pacific Northwest coast ended near the present Oregon-Idaho border. These rocks are known as “exotic terranes” because they came from other places.
Basics--Accreted Terranes - Wenatchee Valley College
Jan 30, 2020 · Plate tectonics explains how terranes can be moved across an ocean and added to a continent. Because terranes come from a distant location they are often referred to as exotic terranes.
Allochthonous terranes - suspect and exotic - Geological ...
Jun 20, 2021 · Because of their oddness, terranes (not terrains) are often referred to as exotic or suspect. All of them are allochthonous, some having traveled many 1000s of kilometres. The term tectonostratigraphic terrane refers to their unique stratigraphic and structural histories.
Exotic Terranes - Paleontological Research Institution
These strips of land are called "exotic terranes," small landmasses that originated from somewhere other than North America and were tacked on to the continent as plates converged. Cameron's Line marks the ancient suture line between proto-North America and the exotic terranes of New England.