| Ref No | LDGSL/838/H/20/8 |
| Title | Murchison correspondence: letter from John Frederick William HERSCHEL |
| Date | 24 Apr 1859 |
| Level | Item |
| Extent | 1 letter |
| Format | Document |
| Description | Murchison correspondence: letter from John Frederick William HERSCHEL, Collingwood, 24 Apr 1859. Re: puzzles over the existence of coal fields in the Arctic Regions, suggesting Poisson's theory of the Sun dragging the solar system through hotter regions of space and Mr Stephenson's hypothesis of the orbit of the auxilliary Sun [including thumbnail sketch] to create a tropical climate at the Pole; cites a period of 100,000 years to produce coal, with reference to Lyell. |
| Access Conditions | Access is by appointment only. Please contact the Archivist for further information. |
| Language | English |
| ArchNote | Description by John Thackray; revised by Caroline Lam. |
| CreatorName | HERSCHEL | Sir | John Frederick William | first baronet | 1792-1871 | mathematician and astronomer |
| Subject | Plate tectonics |
| Term | Coal |
| Continental drift |