A lithified, conglomeratic, siliciclastic rock which is unsorted, with sand and/or coarser particles dispersed through a mud matrix. The term is commonly used today in preference to ‘tillite’, which has clear genetic connotations.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。