Show:
Physical Weathering
Chemical Weathering
Biologica Weathering
Rock types and Weathering
Climate and Weathering
100
deserts, cold environments
Where are the processes of physical weathering most rapid (list 2 examples)
100
what is carbonation?
process that occurs in areas where there is limestone
100
an effect in which biological weathering has a physical effect
What is wedging effect of tree roots?
100
how do geologysts call natural cracks in rocks?
jonits, bedding planes and cleavage
100
what is the main process of weathering in deserts?
Exfoliation
200
frost shattering rocks.
what is freeze thaw action?
200
rock with a lot of calcium carbonate
what is limestone?
200
physical, biological, chemical weathering
What are the 3 sorts of weathering
200
isolated hills
kopjes
200
where are the frost climates found?
high mountain ranges
300
onion skin effect, where layers of rock pill off
what is exfoliation?
300
addition of oxygen to a mineral
What is oxidation?
300
which way does biological weathering have a chemical effect?
release of acids and CO2
300
what type of rock are crystalline rocks
igneous, metamorphic
300
temperate areas
what areas have generally moderate temperatures?
400
about 9%
how much does water expand when it freezes?
400
thermal power stations
What increasees the rate of oxidation
400
release of acids and CO2
which way does biological weathering have a chemical effect?
400
rocks made of grains/fragments
what are sedimentary rocks?
400
humid, tropical area
what areas have the tastes weathering rates on earth?
500
what is another term for physical weathering?
mechanical weathering
500
reduction
What is the opposite of oxidation
500
what does plant decaying produce?
humid acids
500
minerals are the chemicals that form the building blocks of rocks
What are minerals?
500
the decay and disintegration of rocks
what is weathering?