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You will be looking at the East Pacific Rise. The yellow lines represent the the locations of dated magnetic reversals on the seafloor. The age of the seafloor at each reversal (in millions of years (Ma is marked on each line. Use the distances of magnetic reversals on the seafloor and their ages to determine the half spreading rate of the Seafloor, once you've calculated the rate at which seafloor forms at each interval of time, take the average. You will be reporting this OnDISCUSSIONI

You will be looking at the East Pacific Rise. The yellow lines represent the the locations of dated magnetic reversals on the seafloor. The age of the seafloor at each reversal (in millions of years (Ma is marked on each line. Use the distances of magnetic reversals on the seafloor and their ages to determine the half spreading rate of the Seafloor, once you've calculated the rate at which seafloor forms at each interval of time, take the average. You will be reporting this OnDISCUSSIONI

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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You will be looking at the East Pacific Rise. The yellow lines represent the the locations of dated magnetic reversals on the seafloor. The age of the seafloor at each reversal (in millions of years (Ma is marked on each line. Use the distances of magnetic reversals on the seafloor and their ages to determine the half spreading rate of the Seafloor, once you've calculated the rate at which seafloor forms at each interval of time, take the average. You will be reporting this OnDISCUSSIONI 

S com East Pacific Rise Bepsen Calpsyos and Easter skad (5.23 Ma) COLA Age of Isochron (Ma) ROW 10 ROW 2 0.8 (4.29 Ma) ROW 3 1.95 ROW 4 2.58 ROW 5 3.58 ROW 6 5.23 (3.22 Ma) (3.04 Ma) COLB Age Difference from next younger Isochron (Ma) NA (threre is nothing younger than 0) row2, col1 - Row 1, col1 (1.95 Ma) 0.8 M3 - 0 Ma -0.8 Ma B-M (0.8Ma) COLC Distance from Ridge (km) Spreading rate through time 0 (It is the ridge) We get this from the map above - 80 km INN B-M (0.8Ma) COLD Distance from next younger Isochron (km) NA (threre is nothing younger than 0) row2, col3 (1.95 Ma) 50 100 150 200 250 300 350 400 450 500 Distance from Mid Ocean Ridge (km) Row 1, col3 80 km - 0 km 80 km (3.04 Ma) COLE (3.22 Ma) Rate of Spreading in km / Ma NA (can't divide by 0) col 4 / col 2 80 km/0.8 Ma 100 km / Ma (4.29 Ma) AVERAGE of row 1-6 col 6 (5.23 Ma) NA COLF Lagend Rate of Spreading In cm / year Col 5/10 - 10 cm/ year
Transcribed Image Text:S com East Pacific Rise Bepsen Calpsyos and Easter skad (5.23 Ma) COLA Age of Isochron (Ma) ROW 10 ROW 2 0.8 (4.29 Ma) ROW 3 1.95 ROW 4 2.58 ROW 5 3.58 ROW 6 5.23 (3.22 Ma) (3.04 Ma) COLB Age Difference from next younger Isochron (Ma) NA (threre is nothing younger than 0) row2, col1 - Row 1, col1 (1.95 Ma) 0.8 M3 - 0 Ma -0.8 Ma B-M (0.8Ma) COLC Distance from Ridge (km) Spreading rate through time 0 (It is the ridge) We get this from the map above - 80 km INN B-M (0.8Ma) COLD Distance from next younger Isochron (km) NA (threre is nothing younger than 0) row2, col3 (1.95 Ma) 50 100 150 200 250 300 350 400 450 500 Distance from Mid Ocean Ridge (km) Row 1, col3 80 km - 0 km 80 km (3.04 Ma) COLE (3.22 Ma) Rate of Spreading in km / Ma NA (can't divide by 0) col 4 / col 2 80 km/0.8 Ma 100 km / Ma (4.29 Ma) AVERAGE of row 1-6 col 6 (5.23 Ma) NA COLF Lagend Rate of Spreading In cm / year Col 5/10 - 10 cm/ year
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