caliche

基本解释

Caliche crusts are secondary products formed by the dissolution of meteoric water on former lithified sediments and rocks during their exposure into subaerial vadose environments.
鈣結殼是土壤層之下的巖石在出露地表滲流帶環境內受大氣雨水的溶解,竝通過上覆土壤層的淋濾而成的産物。
covered with caliche, a hard calcium-carbonate encrusted soil.
被硝酸鈉，和硬碳酸鈣覆蓋的土壤。
Caliche as a geological repository for atmospheric sulfate
大氣硫酸鹽作爲地質儲藏庫的生硝
ESR DATING OF CALICHE IN LAKE DEPOSIT FROM THE YANQING BASIN,BEIJING
北京延慶盆地湖相鈣質層的電子自鏇共振（ESR）測年研究
IMAGE SCANNING ANALYSIS OF CALICHE MICRO-LAMINATION AND ITS SIGNIFICANCE TO THE DATING METHOD
礫石鈣膜顯微紋層的掃描圖像分析及其測年意義