科研人员报告说,来自冥古宙的岩石样本��锆石晶体以硅和氧的同位素的形式保存了由这些锆石的来源岩浆构成的风化岩石的一份记录,这些同位素记录提示,诸如燧石或条带状含铁建造等沉积岩可能在40多亿年前就存在,而这些前驱沉积岩可能充当了早在41亿年前的年轻地球上的原始生物化学的一个基底。
###
EurekAlert! provides eligible reporters with free access to embargoed and breaking news releases.
Eligibility GuidelinesEurekAlert! offers eligible public information officers paid access to a reliable news release distribution service.
Eligibility GuidelinesEurekAlert! is a service of the American Association for the Advancement of Science.
Proceedings of the National Academy of Sciences
科研人员报告说,来自冥古宙的岩石样本��锆石晶体以硅和氧的同位素的形式保存了由这些锆石的来源岩浆构成的风化岩石的一份记录,这些同位素记录提示,诸如燧石或条带状含铁建造等沉积岩可能在40多亿年前就存在,而这些前驱沉积岩可能充当了早在41亿年前的年轻地球上的原始生物化学的一个基底。
###
Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.