File:Mer de Glace sketchmap by John Tyndall, 1857, from 1896 edition.png

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Mer de Glace sketchmap by John Tyndall, 1857

Fig. 7[1] shows Aiguille Noire to the south (bottom-right) dividing the Cascade at the west (bottom) from Glacier des Périades (right) which flows north to join Glacier du Géant flowing south to north (14 degrees clockwise) between Mont Tacul on the east (centre right) and Aiguilles de Charmoz to the west (bottom alongside morraine 'b'). This forms the medial morraine 'a'. Some 3 kilometres downstream, Glacier de Lechaud joins du Géant, forming medial morraine 'c'. Just prior to this confluence, Cascade du Talèfre, with its own medial morraine 'e', joins Lechaud forming morraine 'd'. Here the glacier is known as the Mer De Glace and flows north-north-west (leftwards) between Aiguille du Moine on the east and Trélaporte on the west.

Notes

  1. ↑ Tyndall page 53 "Fig 7."

References
Date
Source PDF from https://archive.org/details/glaciersalpsbeing00tyndrich or alternative: https://books.google.it/books?id=8_cN1DQ3mZ4C&printsec=frontcover&hl=en#PPA53,M1
Author John Tyndall (1820-1893)
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Trélaporte Glacier

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