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12 cards from this deck
Breakdown of rocks & minerals in place (no transport away)
Mechanical, chemical, biological
Physical breakdown without changing chemical composition
Breakdown involving chemical changes to the rock
Breakdown caused by living organisms (plants & animals)
Soft minerals (feldspar, calcite) break down much faster than hard (quartz)
Feldspar, calcite, iron compounds
More exposed surface area = faster weathering (fractures, small pieces)
High rainfall = more chemical weathering (water needed for reactions)
Wide temperature ranges accelerate weathering (freeze-thaw cycles)
Provides protection; bare surfaces weather much faster
Dissolves minerals faster, accelerates chemical weathering
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