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15 cards from this deck
Weathering, erosion, humification, leaching, podzolisation, laterisation, calcification, salinisation
Breakdown of solid rock into smaller mineral particles through physical & chemical processes
Around 45%
Water enters cracks, freezes, expands & splits rock apart
Rainwater with carbonic acid dissolves limestone & chalk
Breaking down & transporting rock fragments by water, ice & wind
Fertile soils deposited by rivers on floodplains
Breakdown of organic matter into humus, increases fertility
Washing away & removal of nutrients from soil by water
Extreme leaching by acidic water, common in coniferous forests & peat soils
Grey & bleached (only quartz resists acidic water)
Intensive leaching in hot, wet tropical climates
Rusty red appearance; called latosols
Calcium carbonate accumulation near soil surface where evaporation exceeds rain
Soluble salts accumulation near surface in hot, arid regions
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