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parent materialThe mineral material from which a soil forms.
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parent materialthe bottom soil horizon consisting of decomposed rock that has acquired some characteristics of the subsoil and retained some characteristics of the rock from which it weathered
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parent materialthe minerals from which a soil originates.
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parent materialThe raw material from which the tube is made.
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parent materialMineral or rock material on and/or from which soils are formed during pedogenesis (soil formation process); parent material is one of the five major soil forming factors.
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parent materialThe unconsolidated and more or less chemically weathered mineral or organic matter from which the solum of a soil has developed by pedogenic processes. Peat:
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