A silica-rich precipitate found around the mouth of a geyser or hot spring whose waters carry large amounts of dissolved minerals which precipitate when the water cools suddenly on exposure to the atmosphere.
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。