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3) Did the North Atlantic Ocean Basin develop by adding lithosphere symmetrically along the mid-ocean ridge, or was new lithosphere added more rapidly to one side than the other? If spreading was asymmetric, which plate had more lithosphere added, or did the asymmetry vary from plate to plate over time?

3) Did the North Atlantic Ocean Basin develop by adding lithosphere symmetrically along the mid-ocean ridge, or was new lithosphere added more rapidly to one side than the other? If spreading was asymmetric, which plate had more lithosphere added, or did the asymmetry vary from plate to plate over time?

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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3)

Did the North Atlantic Ocean Basin develop by adding lithosphere symmetrically along the mid-ocean ridge, or was new lithosphere added more rapidly to one side than the other?

If spreading was asymmetric, which plate had more lithosphere added, or did the asymmetry vary from plate to plate over time?

60 W 30 W North American Plate 30°N CNAS African Plate CAF 6BAF BNA 154.3 Myr (M25) 1500 km approximate scale at center of map 2021 Pearson Education, Inc. CNA to BNA 1354 km CNA to A 2617 km BNA to A 1338 km CAF to A 2599 km BAF to A 1320 km BNA to BAF 2649 km CAF to BAF 1279 km CNA to CAF 5107 km 154.3 Myr (M25) 67.7 Myr (31y) Today 67.7 Myr (31y)
Transcribed Image Text:60 W 30 W North American Plate 30°N CNAS African Plate CAF 6BAF BNA 154.3 Myr (M25) 1500 km approximate scale at center of map 2021 Pearson Education, Inc. CNA to BNA 1354 km CNA to A 2617 km BNA to A 1338 km CAF to A 2599 km BAF to A 1320 km BNA to BAF 2649 km CAF to BAF 1279 km CNA to CAF 5107 km 154.3 Myr (M25) 67.7 Myr (31y) Today 67.7 Myr (31y)
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