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a) What type of heat loss from the Earth does the curve in the figure represent? b) Explain why the depth to the oceanic crust increases with age. c) A mid-ocean basalt is found at a depth of 4600m and a distance of 900 km from the ridge crest. Calculate the spreading rate in mm per year.

a) What type of heat loss from the Earth does the curve in the figure represent? b) Explain why the depth to the oceanic crust increases with age. c) A mid-ocean basalt is found at a depth of 4600m and a distance of 900 km from the ridge crest. Calculate the spreading rate in mm per 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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a) What type of heat loss from the Earth does the curve in the figure represent? b) Explain why the depth to the oceanic crust increases with age. c) A mid-ocean basalt is found at a depth of 4600m and a distance of 900 km from the ridge crest. Calculate the spreading rate in mm per year.
Transcribed Image Text:a) What type of heat loss from the Earth does the curve in the figure represent? b) Explain why the depth to the oceanic crust increases with age. c) A mid-ocean basalt is found at a depth of 4600m and a distance of 900 km from the ridge crest. Calculate the spreading rate in mm per year.
The figure below illustrates the depth (d) to oceanic crust below sea level against the (t) of the oceanic crust in Ma and is described by the equation: d = 2500 + 350t0.5 age Use this equation and the following figure to answer questions a), b), and c) below. 2000 3000 4000 5000 6000 20 40 60 80 100 Age of Oceanic Crust (Ma) Depth (m)
Transcribed Image Text:The figure below illustrates the depth (d) to oceanic crust below sea level against the (t) of the oceanic crust in Ma and is described by the equation: d = 2500 + 350t0.5 age Use this equation and the following figure to answer questions a), b), and c) below. 2000 3000 4000 5000 6000 20 40 60 80 100 Age of Oceanic Crust (Ma) Depth (m)
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