large-scale cross-bedding 中文意思是什麼

large-scale cross-bedding 解釋
大型交錯層
  • large : adj 1 (體積,空間,數量,規模等)大的,巨大的;(權限等)廣泛的。2 (心胸)寬廣的,度量大的;(...
  • scale : n 1 (尺、秤等上刻劃的)分度,度數,標,標度,刻度;尺寸;尺,尺度。2 【音樂】(標度)音階;音列...
  • cross : n 1 十字架;〈the C 〉 耶穌受刑的十字架。2 〈the C 〉 基督教(教義,國家)。3 不幸,苦難;挫折,...
  • bedding : n. 1. 寢具,床上用品。2. (家畜的)墊草。3. 基底;【建築】基坑;【地質學;地理學】層里;【農業】定植。
  1. Furthermore, sorting of the sandstones in the braided river is better compared with that of in the meandering river system. in the same subfacies, grain size is larger and sorting is better in the channel sandstones which developed with large - scale cross - beddings such as trough cross - bedding, compared with sandstones in the flood microfacies. in the same microfacies, better sorting and coarser grained sandstones are distributed in the middle and lower part of the unit

    與曲流河亞相相比,辮狀河亞相砂巖的粒度較粗,分選性較好,砂體多次疊置而規模更大;相同河流亞相的河道微相與泛濫平原微相相比,前者的砂巖粒度較粗、分選性較好,發育槽狀交錯層理等大型層理構造;在同一微相內,處于中下部的流體單元其粒度較粗,分選較好。
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