2-3 Based on examination of maps and globes, give at least three examples of fea
ID: 285795 • Letter: 2
Question
2-3 Based on examination of maps and globes, give at least three examples of features on Earth's surface that represent each of these tectonic settings: a) "normal" continental lithosphere; b) continental rift zone; c) mid-ocean ridge; d) small ocean basin; e) advanced occan basin ) ocean/occan subduction zone g) ocean/continent subduction 40 Chapter 2 Plate Tectonics African Cocos Pacific Plate B-tPlaca-American Plate B' Nazca Plate Plate Antarctic Spde Plate Scotia zone; h) active continental collision zone:; i) ancient continental collision zone; j) trans- form boundary connecting ridge segments; k) transform boundary connecting ridges to trenches; 1) hotspot traceExplanation / Answer
Ans a) Normal continental lithosphere - North American Plate, South American Plate and Eurasian Plate.
Ans b) Continental rift zones- East African Rift system, Rio Grande Rift and Death Valley.
Ans c) Mid ocean ridges- Mid Atlantic Ridge, Central Indian Ridge, Gakkel Ridge.
Ans d) Small ocean basin- Red sea, Mediterranean sea, Japan Basin.
Ans e) Advanced ocean basin- Atlantic Ocean, Pacific Ocean and Indian Ocean.
Ans f) Ocean ocean subduction zone- Aleutian Trench, Mariana trench and Japan trench.
Ans g) ocean continent subduction zone- Mexico trench, Peru Chile trench and Tonga Karmadec trench.
Ans h) active continental collision zone- Himalayas, Alps, Bohemia massif of Europe.
Ans i) ancient continental collision zone- Collision between Gondwana and Laurasia, the closing of tethys was also a result of continental collisions.
Ans j) transform boundaries connecting ridge segments- Along mid Atlantic Ridge, along ninety east ridge and along sw Indian ridge.
Ans k) transform boundaries connecting ridge to trenches-
Ans l) hotspot trace- Hawaiian hotspot, coccos hotspot, Yellowstone hotspot.
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