Web794 views 8 months ago A continental margin is the outer edge of continental crust It is refer to the region of transition from the land to the deep seafloor. It is one of the three … WebActive continental margins are typically associated with the following structures: * Deep-ocean trench — a deep valley adjacent and roughly parallel to the continental margin that marks where oceanic crust subducts beneath the continental crust.

Geo Ch. 13 Flashcards Quizlet

Web8 de ago. de 2015 · 3 Answers Sorted by: 16 Mountain ranges are usually formed as orogeny where tectonic plates collides, known as convergent boundaries. The continental plates have less density than the oceanic plates and the buoyancy results in that they are mostly above sea level. WebThe continental margins are relatively shallow because __________. (a) they have been built up by sediments contributed by marine organisms (b) the underlying crust is lighter … greatest gigs of all time

How are passive continental margins formed?

WebThis process is called subduction and creates distinctive types of volcanoes depending on the setting: ocean-ocean subduction produces an island-arc volcano ocean-continent subduction produces Andean-type volcanoes Volcanoes can form at subduction zones where tectonic plates are moving towards each other and one plate descends beneath … WebIf two continental plates collide, neither can sink and so the land buckles upwards to form fold mountains. This is called a collision margin . Earthquakes can occur at collision … Web1 de jul. de 2024 · An active continental margin is found on the leading edge of the continent where it is crashing into an oceanic plate.An excellent example is the west coast of South America. Active margins are commonly the sites of tectonic activity: earthquakes, volcanoes, mountain building, and the formation of new igneous rock. flip mickey