glacial boundary 中文意思是什麼
glacial boundary
解釋
冰川邊界-
Studies of the petrology, textures and structures, depositional environment, contained fossils and age of the fluvial - lacustrine deposits indicate that they are the earliest record of the epiglacial area of the quaternary glacial period, representing the lower boundary of the quaternary glacial period
對該河湖相沉積的巖石、結構構造、沉積環境、所含化石特徵和形成時代等的研究表明,它是第四紀冰期冰緣區的最早沉積記錄,也是第四紀冰期的下限。
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