Umhlaba we-Diatomaceous luhlobo lwe-biogenic siliceous sedimentary rock, ikakhulu eyenziwe ziintsalela zediatom zakudala.Ukubunjwa kwayo kweekhemikhali ikakhulu yiSiO2, equkethe inani elincinci le-Al2O3, Fe2O3, CaO, MgO, K2O, Na2O, P2O5 kunye ne-organic matter.Olona setyenziso luphambili lwe-diatomite zizixhobo zokucoca, izihluzi, intengiso...
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