Wednesday, February 7, 2007
Types of landforms; Tors
General Description: Small hills or heaps of spheroidally weathered rock boulders, with distinctive jointing, rising abruptly from the surrounding gentle ground surface(a.k.a "castellated/boulder/blocky inselbergs")
Shape: Rounded corestones, can be tabular
Height: 1m to 8m (usually 1m to 3m only) in diameter, and 30m to 50m in height
Summit: Irregular, but rounded tors tend to have convex summit and tabular tors tend to have flat ones
Slope: Convex for rounded tors, rectilinear for tabular ones
Jointing: Horizontal, and vertical, cuboidal.
Vegetation: Absence
Surroundings: Etchplains, or on periglacial slopes
Granite Tors, Alaska (1998)
you, 9:19 PM
Types of landforms; Tors
General Description: Small hills or heaps of spheroidally weathered rock boulders, with distinctive jointing, rising abruptly from the surrounding gentle ground surface(a.k.a "castellated/boulder/blocky inselbergs")
Shape: Rounded corestones, can be tabular
Height: 1m to 8m (usually 1m to 3m only) in diameter, and 30m to 50m in height
Summit: Irregular, but rounded tors tend to have convex summit and tabular tors tend to have flat ones
Slope: Convex for rounded tors, rectilinear for tabular ones
Jointing: Horizontal, and vertical, cuboidal.
Vegetation: Absence
Surroundings: Etchplains, or on periglacial slopes
Granite Tors, Alaska (1998)
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