| 41. | Volcanic rocks of Quaternary age are widespread in the area.
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| 42. | More generally, intrinsic viscosity can be used to assay quaternary structure.
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| 43. | Igneous rocks in the Big Smoky Valley are predominantly pre-Quaternary.
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| 44. | Glaciation during the Quaternary Period had an overwhelming effect upon the landscape.
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| 45. | Quaternary deposits include alluvial fans and wind-blown sands.
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| 46. | The two Quaternary ruptures each elevated the western side by.
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| 47. | It also researches the Tertiary and Quaternary UK mammal faunas.
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| 48. | Kazakhstania was too dry for extensive glaciation during the Quaternary.
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| 49. | The active moiety is tiemonium, a quaternary ammonium cation.
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| 50. | Quaternary ammonium permanganate compounds can be prepared, such as tetrabutylammonium permanganate.
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