subduct
41Kula Plate — The Kula Plate was an oceanic tectonic plate under the northern Pacific Ocean south of the Near Islands segment of the Aleutian Islands. It was subducting under the North American Plate at the Aleutian Trench and is surrounded by the Pacific… …
42Expanding Earth theory — The Expanding Earth theory is an attempt to explain the position and movement of continents (continental drift) on the surface of the Earth. The expanded earth theory (and plate tectonics) incorporates the appearance of new crustal material at… …
43Piemont-Liguria Ocean — The Piemont Liguria basin or the Piemont Liguria Ocean (sometimes only one of the two names is used, for example: Piemonte Ocean) was a former piece of oceanic crust that is seen as part of the Tethys Ocean. Together with some other oceanic… …
44Phoenix Plate — The Phoenix Plate (also known as the Aluk Plate) was an ancient tectonic plate that existed during the mid Cretaceous through early Tertiary time. The Phoenix Plate began subducting under the Antarctic Plate. The Phoenix Ridge, a mid oceanic… …
45Intermontane Islands — The Intermontane Islands were a giant chain of active volcanic islands somewhere out in the Pacific Ocean during the Triassic time beginning around 245 million years ago. The giant chain of islands were 600 to convert|800|mi|km long and rode atop …
46Insular Plate — The Insular Plate was an ancient oceanic plate that began subducting under the west coast of North America around the early Cretaceous time. The Insular Plate had a chain of active volcanic islands that were called the Insular Islands. These… …
47Tethyan Trench — The Tethyan Trench was an ancient oceanic trench that existed in the northern part of the Tethys Ocean during the middle Mesozoic to early Cenozoic eras. GeologyThe Tethyan Trench formed when the Cimmerian Plate was subducting under eastern… …
48Phoenix Ridge — The Phoenix Ridge (also called the Aluk Ridge) was an ancient mid ocean ridge that existed between the Phoenix Plate and the Pacific Plate. The Phoenix Ridge consisted of three ridges and had a spreading rate of 18 20 cm per year until around 84… …
49Insular Islands — The Insular Islands were a giant chain of active volcanic islands somewhere in the Pacific Ocean during the Cretaceous time that rode on top a microplate called the Insular Plate, beginning around 130 million years ago. These islands collided… …
50Cascade Volcanoes — Geobox|Range name=Cascade Volcanoes other name= image size=280 image caption=Mount Hood reflected in Trillium Lake country=United States country1=Canada region type = Provinces/States region= Oregon region1= Washington region2= California region3 …
