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To Charles Lyell [2 September 1849]
Summary
Discusses effect of subsidence and elevation on deposits. Cites examples along coasts of South America and Wales. Proposes theory to explain thickness of deposits in south Wales.
Asks CL’s opinion of his theory of "craters of elevation" described in Volcanic islands.
Mentions CL’s comparison of Mississippi beds to the Pampas.
Comments on Poulett Scrope’s views on the separation of basalt and trachyte.
Describes his cirripede work.
| Author: | Charles Robert Darwin |
| Addressee: | Charles Lyell, 1st baronet |
| Date: | [2 Sept 1849] |
| Classmark: | American Philosophical Society (Mss.B.D25.80) |
| Letter no: | DCP-LETT-1252 |
Document type
| letter | (1) |
Correspondent
| Darwin, C. R. | (1) |
| Lyell, Charles | (1) |
