The carbonate compensation depth is the depth in the ocean below which carbonate forms much slower than it is dissolved. Thus, carbonates tend to dissolve below this depth. On the other hand, silica is more saturated in deep water and, thus, more easily precipitates at depth. Based on the different composition of the spicules of Hexactinellida, Calcarea, and Demospongea, what can you infer about where they might be found?
The carbonate compensation depth is the depth in the ocean below which carbonate forms much slower than it is dissolved. Thus, carbonates tend to dissolve below this depth. On the other hand, silica is more saturated in deep water and, thus, more easily precipitates at depth. Based on the different composition of the spicules of Hexactinellida, Calcarea, and Demospongea, what can you infer about where they might be found?
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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The carbonate compensation depth is the depth in the ocean below which carbonate forms much slower than it is dissolved. Thus, carbonates tend to dissolve below this depth. On the other hand, silica is more saturated in deep water and, thus, more easily precipitates at depth. Based on the different composition of the spicules of Hexactinellida, Calcarea, and Demospongea, what can you infer about where they might be found?
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Step 1p
Hexactinellida
Hexactinellida is four-six pointed siliceous spicules. Thus, it will precipitate at the depth. It will be found at deep water.
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