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Resource: used or used up in processesCalcium carbonate
Appears in 7 processs and 11 steps. Everything below is linked: open a process to see it in context.
Top processes
- Evaporation and root water uptake concentrate the solution, and calcite precipitates (Ca2+ + 2HCO3- gives CaCO3 + CO2 + H2O) at the depth of wetting
- Carbonate accumulates as nodules, coatings and a calcic (Bk) horizon over thousands to hundreds of thousands of years
- Acidification from Nitrogen fertiliser, nitrification or acid rain dissolves carbonate and releases CO2
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Often found with
Carbon dioxide 5Calcium 4Soil water 4Calcite 4Bicarbonate 3Plant roots 3Volcanoes 2Foraminifera 2Coccolithophores 2Subduction zones 2Water 2Humans 1
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