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In the Early Cambrian, there was little tectonic activity in Virginia and sediments were deposited along the continental margin. The deposition of sand, silt, and other clastic materials was gradually replaced by the deposition of limy sediments in the warm tropical waters of the Iapetus Ocean. If we were to look at the layers of rock dating back to this time period, we would expect to see

User Kiflay
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I just did this on USATP and its A) limestone layered over sandstone and shale

User NullReference
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A) limestone layered over sandstone and shale.
User Frint
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