| 31. | Earlier, the instrument had detected clay minerals.
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| 32. | They are clay minerals, also called phyllosilicates.
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| 33. | Clay minerals also bind particles of organic material to their surface, making them less accessibly to microbes.
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| 34. | The composition of porcelain is highly variable, but the clay mineral kaolinite is often a raw material.
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| 35. | While 60-70 % of the shale consists of clay minerals, the balance is made up of organic matter.
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| 36. | It is cemented by clay minerals.
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| 37. | As clay minerals promote biomineralization, the presence of bacteria and clay minerals resulted in calcium hydroxyapatite and calcite precipitates.
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| 38. | As clay minerals promote biomineralization, the presence of bacteria and clay minerals resulted in calcium hydroxyapatite and calcite precipitates.
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| 39. | Traditional ceramic raw materials include clay minerals such as kaolinite, more recent materials include aluminium oxide ( alumina ).
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| 40. | A layer of red sediment with clay minerals remains from this time on flat, inland areas of the park.
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