Large igneous province — Only a few of the largest Large Igneous Provinces are indicated (by the dark purple areas) on this geological map, which depicts crustal geologic provinces as seen in seismic refraction data. A Large Igneous Province (LIP) is an extremely large… … Wikipedia
Deccan Traps — The Deccan Traps as seen from Matheran, MH, India The … Wikipedia
Mantle plume — A superplume generated by cooling processes in the mantle.[1] A mantle plume is a hypothetical thermal diapir of abnormally hot rock that nucleates at the core mantle boundary and rises through the Earth s mantle. Such plumes were invoked in 1971 … Wikipedia
Anoxic event — As early as 1911, major oceanic currents were well mapped and understood, albeit without today s understanding of how they affect regional and global climatological conditions … Wikipedia
Ontong Java Plateau — The Ontong Java Plateau is a huge oceanic plateau located in the Pacific Ocean, lying north of the Solomon Islands. The plateau covers an area of approximately 2,000,000 km2 (770,000 sq mi), or roughly the size of Alaska, and reaches a… … Wikipedia
Columbia River Basalt Group — The Columbia River Basalt Group (including the Steen and Picture Gorge basalts) extends over portions of five states. The Columbia River Basalt Group is a large igneous province that lies across parts of the Western United States . It is found in … Wikipedia
Midcontinent Rift System — Geological map of North America showing (in white) the Midcontinent Rift, here labeled Keweenawan Rift. Lake Superior occupies the apex of the rift. The Midcontinent Rift System (MRS) or Keweenawan Rift is a 2,000 km (1,200 mi) long… … Wikipedia
Toarcian turnover — The term Toarcian turnover, alternatively the Toarcian extinction, the Pliensbachian Toarcian extinction, or the Early Jurassic extinction, refers to the wave of extinctions of that marked the end of the Pliensbachian stage and the start of the… … Wikipedia
North Atlantic Igneous Province — The North Atlantic Igneous Province (NAIP) is a large igneous province estimated to be at least 1.3×106 km2 in area and 6.6×106 km3 in volume.[1] Geographically, the NAIP makes up all of the North Atlantic Ocean as well as the Paleocene and… … Wikipedia
Geology of Tasmania — Tasmania has a varied geological history, with the world s biggest exposure of diabase, or dolerite. Rocks from the Neoproterozoic, Paleozoic and Mesozoic time periods appear. It is one of the few southern hemisphere areas glaciated during the… … Wikipedia
