Subject ASC00010h4

The Quarterly journal of the Geological Society of London.
v.59 (1903), Page 391 (1903)
Smithsonian Libraries
BHL Page 41497374

Keywords

Step fault Offa Offa's Dyke displacement red marls tea-green marls Rhaetic geology strata faults to scale Offa's dyke step-fault black shale bone-bed section cross-section sandstone ripple marks shaly deposits shale fault fossils Gloucestershire

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