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Summary
| Description |
English: Sketch map showing:
- the supposed approximate courses of the Ancestral Thames, and of other possible rivers, in the Late Oligocene epoch (around 30 million years ago); and - (blue line) the Late Pliocene - Early Pleistocene incursion of the North Sea into the London Basin (around 3 million years ago). Sources: - Gibbard, P.L. & Lewin, J., 2003, "The history of the major rivers of southern Britain during the Tertiary", Journal of the Geological Society, 160, pages 829-845. Oligocene section, and Neogene (Miocene and Pliocene) section. Online at www.qpg.geog.cam.ac.uk. - Gibbard, P., "North West European Rivers - 2. Late Pliocene - Early Pleistocene", Quaternary Palaeoenvironments Group. Online at www.qpg.geog.cam.ac.uk. |
| Date | |
| Source | Own work |
| Author | Alan Mattingly |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:04, 25 July 2023 | | 1,419 × 1,353 (205 KB) | Alan Mattingly | Uploaded own work with UploadWizard |
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