glacier silt 中文意思是什麼
glacier silt
解釋
冰川粉砂-
The time corresponding to the four parts along the section are as follows : the top lake - swamp sediments : holocene ; the uppart fine sand : later late pleistocene ; the middlepart sandy clay : middle - early late pleistocene ; the lowpart clayer silt : later - middle - pleistocene. the fossils and stone artifacts found in salawusu site should be formed during the last but one glacier, its age range is about 0. 13 - 0. 19 ma, and belongs to later middle - pleistocene
分析q曲線與氧同位素曲線的一致性以及以上研究結果，包含薩拉烏蘇地層的這套沉積物的沉積時代為：頂部湖沼相沉積物：全新世；上部具交錯層理的細砂：晚更新世晚期；中部粉砂質粘土：晚更新世中期至早期；下部粘土質粉砂：中更新世晚期。
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