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A PYRITIZED LIMESTONE HARDGROUND IN THE LOWER JURASSIC OF DORSET (ENGLAND) |
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| Authors: | A. HALLAM |
| Affiliation: | Department of Geology and Mineralogy, University of Oxford, Oxford (Great Britain) |
| Abstract: | SUMMARY Detailed documentation and interpretation is given of a thin band of limestone nodules in the Lower Lias of Dorset, which has been subjected to early lithification, exhumation on the sea bed and incrustation and boring by organisms in a more turbulent and shallow-water regime than that of deposition. Final burial has been followed by extensive pyritization. The stratigraphical gap during which these events took place is less than two ammonite zones. |
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