To A. C. Ramsay 10 October [1846]
Summary
Thanks ACR for paper and comments on it ["On the denudation of South Wales", Mem. Geol. Surv. G. B. 1 (1846): 297–335].
Sends copy of South America.
Discusses action of the sea.
Criticises ACR’s views on sudden elevation of mountain chains.
| Author: | Charles Robert Darwin |
| Addressee: | Andrew Crombie Ramsay |
| Date: | 10 Oct [1846] |
| Classmark: | Imperial College of Science, Technology, and Medicine Archives |
| Letter no: | DCP-LETT-1008 |
To A. C. Ramsay 21 December [1846]
Summary
Discusses the geological origin of terraces.
Mentions R. I. Murchison’s paper ["On the superficial detritus of Sweden", Q. J. Geol. Soc. Lond. 2 (1846) pt 1: 349–81].
Comments on Tertiary beds of South America. Doubts that durable formations are now accumulating. Discusses formation of trap-rock. Notes effect of decomposition of lava; discusses action of submerged gravel on underlying rock.
| Author: | Charles Robert Darwin |
| Addressee: | Andrew Crombie Ramsay |
| Date: | 21 Dec [1846] |
| Classmark: | American Philosophical Society (Mss.B.D25.52) |
| Letter no: | DCP-LETT-1038 |
Document type
| letter | (2) |
Author
| Darwin, C. R. | (2) |
Addressee
| Ramsay, A. C. | (2) |
Correspondent
| Darwin, C. R. | (2) |
| Ramsay, A. C. | (2) |
