sand sheet

基本解释

The main reservoir rock is water channel, then the sand sheet, others are less.
主要储集砂体为水道砂体，其次为席状砂体，其它砂体较少。
Blownsand land in Houtian region consists of sand dunes, sandy blownouts, undulated sand sheet, vegetated sand mound and sandy river terraces.
厚田拙区的风沙化土地以风成沙丘、沙质风蚀坑、波状片状沙地、蔓荆子沙堆及河流沙质沉积阶地交错分布。
The frontier facies can be subdivided into underwater distributary channel subfacies, frontier sand subfacies and marginal sand sheet subfacies.
前缘相又可进一步细分为水下分流河道亚相，前缘砂亚相和边缘席状砂亚相。