Open Question: Whats the presence of reefs suggest regarding the depth of sea water required for reefs to thrive in Silurian?

8 February 2012, 7:33 am

During the Silurian, numerous reefs existed in the cratonic interior of the US a.) What does the presence of reefs suggest regarding the depth of sea water required for reefs to thrive? b.) If you examined the Silurian rocks in SE Wisconsin and neighboring Illinois, how could you determine if the rocks were deposited as part of a reef or whether they were carbonate rocks deposited between reefs?... Read More »

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