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Terms for subject Earth sciences containing 白垩 | all forms | in specified order only
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白垩Upper Cretaceous
白垩Upper Cretaceous
白垩Upper Cretaceous
白垩Lower Cretaceous
白垩Lower Cretaceous
南卡罗莱纳州白垩系皮狄组中的美洲拟箭石碳同位素世界通用标准Belemnitella Americana from the Cretaceous Peedee Formation, South Carolina
白垩Late Cretaceous
白垩纪,系Cretaceous
白垩Cretaceous
白垩纪-三叠纪Cretaceous-Tertiary
白垩纪上壳层岩Cretaceous supracrustal rocks
白垩纪-侏罗纪深成岩体Cretaceous-Jurassic plutons
白垩纪侵入体Cretaceous intrusion
白垩纪资源、地质事件和周期性Cretaceous Resources, Events and Rhythms
白垩chalk
西内陆白垩Western Interior Cretaceous