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词汇 Geochronologist
分类 英语词汇 英语翻译词典
释义

Geochronologist

原声例句
科学60秒-科学美国人 2021年11月合集

Jahandar Ramezani of the Massachusetts Institute of Technology is a geochronologist.

Jahandar Ramezani 是麻省理工学院的一名地球年代学家。

英语百科

Geochronology

（重定向自Geochronologist）
A schematic depiction of the major events in the history of Earth
Tephra horizons in south-central Iceland. The thick and light-to-dark coloured layer at the height of the volcanologists hands is a marker horizon of rhyolitic-to-basaltic tephra from Hekla.

Geochronology is the science of determining the age of rocks, fossils, and sediments using signatures inherent in the rocks themselves. Absolute geochronology can be accomplished through radioactive isotopes, whereas relative geochronology is provided by tools such as palaeomagnetism and stable isotope ratios. By combining multiple geochronological (and biostratigraphic) indicators the precision of the recovered age can be improved.
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