The oxygen isotope composition of carbonate shells preserved at the bottom of the ocean are often used to infer past sea level and ice volume. According to this interpretation, when the ice sheets are larger and sea level is lower (such as during ice ages), the 180/160 content of ocean carbonates is: O larger O smaller

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
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The oxygen isotope composition of carbonate shells preserved at the bottom of the ocean are often used to infer past sea level
and ice volume. According to this interpretation, when the ice sheets are larger and sea level is lower (such as during ice ages), the
180/160 content of ocean carbonates is:
larger
smaller
Transcribed Image Text:The oxygen isotope composition of carbonate shells preserved at the bottom of the ocean are often used to infer past sea level and ice volume. According to this interpretation, when the ice sheets are larger and sea level is lower (such as during ice ages), the 180/160 content of ocean carbonates is: larger smaller
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