From:
Christian Gottfried Ehrenberg
To:
Charles Robert Darwin
Date:
8 Apr 1845
Source of text:
DAR 39: 60–1b
Summary:
Discusses table of Atlantic dust samples. Thinks dust came from South America.
Discusses Patagonian tuff samples.
Answers CD’s query about material from Pampas. Believes deposit made in brackish water.
Criticises account of Atlantic dust in F. J. F. Meyen [Reise um die Erde (1834–5)].
Contributor:
Darwin Correspondence Project