Geography Rocks & Landscapes G1

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decay of rocks in their original place at/close to the ground surface
Weathering
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break down of rocks without chemical damage taking place
Physical weathering
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weathering caused by living organisms
Biological Weathering
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weathering involving chemical change dissolving the rock by rain water
Physical Weathering
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dissolving of rocks by rainwater eg. limestone
Solution
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weathering of limestone & chalk by acidic rainwater
Carbonation
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irregular shaped intrusive rock that reaches the ground when rocks are removed
Batholith
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formed when granites are cooled & contracted
Vertical joints
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formed when granite resulted from pressure released as overlying rocks removed by erosion
Horizontal joints
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loose bits of rocks that have been weathered
Scree/Clitter
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a valley with no river in it
dry valley
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chalk hill with a steep slope & one gently sloping
chalk escarpment/cuesta
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flat low lying land
vale
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water re-emerges at the surface, where chalk meets clay
spring (line)
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bare rocky surface, with distinctive blocks & enlarged joints
limestone pavement
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water flows through the joints of limestone weathering & erosion enlarging the joints
caverns
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icicle - like calcite feature hanging down from a cavern roof
stalactites
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icicle - like calcite feature rising from cave floor
stalagmite
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stream that emerges from underground
resurgence
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enlarged joint into which water falls
swallow holes
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calcite feature stretching from floor to ceiling in a cavern
pillars
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broad deposit of calcite formed when water emerges along a crack in a cavern
curtains
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improving the environmental quality of a quarry, either during/after operation
Quarry Restoration
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Other cards in this set

Card 2

Front

Physical weathering

Back

break down of rocks without chemical damage taking place

Card 3

Front

Biological Weathering

Back

Preview of the back of card 3

Card 4

Front

Physical Weathering

Back

Preview of the back of card 4

Card 5

Front

Solution

Back

Preview of the back of card 5
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