: Paléoclimatologie: hardground

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hardground

Carbonate hardgrounds are surfaces of synsedimentarily cemented carbonate layers that have been exposed on the seafloor (Wilson and Palmer, 1992). A hardground is essentially, then, a lithified seafloor. Ancient hardgrounds are found in limestone sequences and distinguished from later-lithified sediments by evidence of exposure to normal marine waters. (Adapted from: https://en.wikipedia.org/wiki/Carbonate_hardgrounds)

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