EES 1050 Chapter 2: Chapter 2 Terms
4 Dec 2018
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Abyssal plain the flat surface covering vast areas of the seafloor. Abyssal plains are the flattest, most featureless areas on earth, and their flatness is a result of sediment deposition covering the usually rugged topography of the seafloor active continental margin. The steeply inclined part of the continental margin between the continental shelf and the continental rise, or between the continental shelf and an oceanic trench convergent plate boundary. The boundary between two plates that move toward each other. The temperature at which iron-bearing minerals in cooling magma or lava attain their magnetism divergent plate boundary the boundary between two plates that are moving apart. A late paleozoic association of plants found only on the southern hemisphere continents and. Gondwana a major paleozoic continent composed of south america, africa, australia, india, and antarctica hot spot localized zone of melting below the lithosphere that probably overlies a mantle plume. Late paleozoic northern hemisphere continent composed of the present-day continents of north.
