Glaciation & Glacial Processes (Leaving Cert Geography): Flashcards
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Practise the cards
15 cards from this deck
Cause of glacial deposition
Cause of glacial deposition
Glaciers lose energy & can't carry material
Moraines definition
Moraines definition
Accumulations of glacial debris at different positions
Till/boulder clay
Till/boulder clay
Unsorted material found in moraines
Terminal moraines mark
Terminal moraines mark
Furthest advance of a glacier
How medial moraines form
How medial moraines form
Where two glaciers join, combining their lateral moraines
Drumlins
Drumlins
Streamlined, oval-shaped hills of boulder clay
Drumlin: which end is steep?
Drumlin: which end is steep?
Blunt end (tapered end is gentle)
'Basket of eggs topography'
'Basket of eggs topography'
Appearance of drumlins from above
Fluvioglacial landforms
Fluvioglacial landforms
Landforms created by glacial melt water action
Eskers
Eskers
Long, winding ridges of deposited material
Irish esker example
Irish esker example
Eiscir Riada (Galway to Dublin)
Outwash plains
Outwash plains
Flat/gently sloping areas from melt water deposition
Glacial erratics
Glacial erratics
Large boulders w/ different rock type from surrounding area
Erratics' use for geologists
Erratics' use for geologists
Trace direction & path of ancient glacier movement
Glacial spillway valley shape
Glacial spillway valley shape
V-shaped valley