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Pedalfer = humid, acidic, leached soil. Pedocal = dry, alkaline, no leaching. SEDIMENT LOOP Sediment = accumulation of rock and mineral particles. Clastic = broken rock fragments. Nonclastic = chemically formed. Process = alteration → transportation → deposition → lithification. Water sorts sediment. Conglomerate = rounded. Breccia = angular. Sandstone = sand. Shale = clay, most abundant. Farther from shore = finer sediment.