A downward projection of country rock into a batholith. The removal of roof rocks by erosion may leave remnants of roof pendants which resemble xenoliths in the intruding rock.
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。