Search: Lyell, Charles in author 
1830-1839::1837::08 in date 
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From:
Charles Lyell, 1st baronet
To:
Charles Robert Darwin
Date:
29 Aug and 5 Sept 1837
Source of text:
K. M. Lyell ed. 1881 2: 20–3
Summary:

Syenitic granite from Norway carried as far as Osnabruck.

Has met warm reception in Germany.

Leopold von Buch mistaken in believing that granite overlies transition rock in Norway. Granite sends veins into transition and gneiss.

Has been examining fossil shells of Crag with Heinrich Beck. Beck admits some shells are of species still living.

CL still believes Eocene, Miocene, and Pliocene are satisfactory divisions of Tertiary epoch.

Contributor:
Darwin Correspondence Project