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Page 1

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Fluvio-Glacial &
Meltwater Features

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The locations of landforms that develop as a result of a continental glacier
depend on the position of the ice margin. Some features form beneath the ice,
others as a result of temporary ice-dammed lakes. A further group of landforms
result from meltwater extending well beyond the snout of the…

Page 4

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After the ice has receded, a range of landforms is left. Some landforms are a
result of direct glacial deposition (such as moraines and drumlins), some relate
to former ice-marginal lakes, (such as kame deltas) and others result from
deposition and erosion on the outwash plain.

Page 5

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Water in the ablation zone
can rise to the surface
through crevasses under
great pressure.

Page 6

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Braided stream on an outwash deposit. Note the "milky" quality
of the water.

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Meltwater gushing
from an englacial
stream, through a
terminal moraine.

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Page 9

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Outwash deposits accumulating in
the Arve valley near Chamonix in the
French Alps.

Page 10

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Differences between Glacial and fluvio-glacial
deposits

Glacial deposits are generally:
·unsorted,
·angular and
·unstratified.
However fluvio-glacial deposits are generally:
·sorted
·rounded and
·stratified.

Comments

Mr A Gibson

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Some fantastic images which show with clarity the titular features. Great to learn how they are formed, at what scale and what they actually look like in real life rather than in a text book.

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