WebContinental rifting is occurring today in ________. A) western California (San Andreas Fault) B) between Minnesota and Wisconsin (mid-continent rift) C) the Pacific Northwest (Cascadia subduction zone) D) Ethiopia and Kenya (East African Rift valley) D) Ethiopia and Kenya (East African Rift valley) WebDec 9, 2024 · The East African margin has a complex structure due to multiple phases of rifting with different stretching directions. The main phase of rifting leading to Indian Ocean opening lasted from the Late Pliensbachian to the Bajocian (c. 183 – 170 Ma). This occurred during impingement of the Bouvet hotspot which weakened the lithosphere ...
SE - Crustal structure of the East African Limpopo margin, a strike ...
WebFeb 11, 2024 · In the western part of the continent, divergent plate boundary forces are beginning to rip the continent apart, forming the Basin and Range Province and its adjacent eastern arm, known as the Rio Grande Rift. WebEast Africa and the Basin and the Range Province of the United States are examples of a a. subduction zone. b. continental rift. c. transform plate boundary. d. passive … crystal applied services ltd
Continental margin geology Britannica
WebFeb 14, 2024 · An active continental margin is a coastal region that is characterized by mountain-building activity including earthquakes, volcanic activity, and tectonic motion resulting from movement of tectonic plates. Characteristics of active continental margins include: • Found on mostly convergent plate boundaries WebThe East African Rift (Great Rift Valley) in eastern Africa The Mid-Atlantic Ridge system separates the North American Plate and South American Plate in the west from the Eurasian Plate and African Plate in the east The Gakkel Ridge is a slow spreading ridge located in the Arctic Ocean WebDec 8, 2024 · The eastern margin of Africa resulted from the first successful trans-Gondwana rupture which retraced, in part, the earlier unsuccessful Karoo rift system. … crystal apple cucumbers in australia