boulder clay

1. Reassessment on the geneses of "glacial cirque, trough and boulder clay" in the Lushan region
   庐山地区冰斗、U谷及泥砾成因之辨析
2. On the discovery of Quaternary glacial boulder clay from the northern mountainous district of Jixian ( chihsien) County
   蓟县北部山区第四纪冰川泥砾层的发现
3. Studies on the Microstructural Characteristics of the Red Boulder Clay in Lu Shah
   庐山红色泥砾微结构特征
4. An exploration into the Lushan boulder clay
   庐山泥砾的探讨

noun

1. unstratified soil deposited by a glacier

   Synonym:    till