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Calcareous




It is also used to refer to relatively Alkaline soil. Frequently this is indeed due to a high calcareous content but there are other causes for a high Soil PH .

Calcareous coatings, or '''calcareous deposits''', are mixtures of Calcium Carbonate and Magnesium Hydroxide that are deposited on Cathodically Protect ed surfaces because of the increased PH adjacent to the surface.