From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
[2 Sept 1849]
Source of text:
American Philosophical Society (Mss.B.D25.80)
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.
Contributor:
Darwin Correspondence Project