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Keywords from Image Description:
The Quarterly journal of the Geological Society of London . COLLIifS OjST the SEEPENTIIfE AoST Porthalla Fault Serpentine in SQ CO The general strike of the Lizard rocks referred to is few degrees to the north of west the prevail ing dips being to the east of north At Porthalla on the contrary the general strike is