A term used to encompass the granitic rock types: alkali-feldspar granite, granite, granodiorite, and tonalite as defined in the classification of rocks by the International Union of Geological Sciences (IUGS).
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。