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Keywords: competent layer
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Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-089
... a few meters thick is overlaid by the pozzolanic facies, which extends up to the cliff edge. The pozzolana can be subdivided into a lower competent layer and in a softer upper layer, which weakens at the top. At the bottom of the pozzolana, large pumices are abundant and progressively decrease...

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