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26) Which of the following best approximates the rate of seafloor spreading across the Shivering Sea Ridge (A-A’)? a. 5 mm/year b. 10.4 mm/ year c. 15.7 mm/ year d. 18.3 mm/ year e. 22 mm/ year

26) Which of the following best approximates the rate of seafloor spreading across the Shivering Sea Ridge (A-A’)? a. 5 mm/year b. 10.4 mm/ year c. 15.7 mm/ year d. 18.3 mm/ year e. 22 mm/ year

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
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Please dnt use CHATGPT.Please answer all questions.Thank You
26) Which of the following best approximates the rate of seafloor spreading across the Shivering Sea Ridge (A-A’)?
a. 5 mm/year
b. 10.4 mm/ year
c. 15.7 mm/ year
d. 18.3 mm/ year
e. 22 mm/ year
 
27) Which of the following best approximates the rate of seafloor spreading across the Southern Narrow Sea Ridge (B-B’)?
a. 5 mm/ year
b. 10.4 mm/ year
c. 15.7 mm/ year
d. 18.3 mm/year
e. 22 mm/ year
 
28) Which of the following best approximates the rate of seafloor spreading across the Sunset Sea Ridge (C-C’)?
a. 5 mm/ year
b. 10.4 mm/ year
c. 15.7 mm/ year
d. 18.3 mm/ year
e. 22 mm/year
 
29) Which of the following best approximates the rate of seafloor spreading across the Shivering Ridge (A-A’) during the first 20 Ma of seafloor spreading?
a. 5.4 mm/ year
b. 7.9 mm/ year
c. 13.8 mm/ year
d. 18.3 mm/ year
e. 22 mm/ year
 
30) When did the Narrow Sea open (D – D’)?
a. 2.5 Ma (million years ago).
b. 12.5 Ma.
c. 5.5 Ma
d. 20 Ma
e. 125,000 years ago
B C Magnetic Lineations of the Sea Floor Across Mid-Ocean Ridges Ridge Axis D 400 800 D' Northern Narrow Sea Ridge Ridge Axis III Scale 1200 The Shivering Sea Ridge Ridge Axis Ridge Axis 1600 GAME OF SIONES 2000 km A' Magnetic Time Scale 0 Present 10 Ma 20 30 Southern Narrow Sea Ridge ------- 40 50 60 70 B' "Million Years Before Present C' Sunset Sea Ridge Figure 4 Magnetic Data
Transcribed Image Text:B C Magnetic Lineations of the Sea Floor Across Mid-Ocean Ridges Ridge Axis D 400 800 D' Northern Narrow Sea Ridge Ridge Axis III Scale 1200 The Shivering Sea Ridge Ridge Axis Ridge Axis 1600 GAME OF SIONES 2000 km A' Magnetic Time Scale 0 Present 10 Ma 20 30 Southern Narrow Sea Ridge ------- 40 50 60 70 B' "Million Years Before Present C' Sunset Sea Ridge Figure 4 Magnetic Data
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