English John W. Valley Cited by user Suslindisambiguator on 07 Nov 2023 John Williams Valley (born February 28, 1948 in Winchester, Massachusetts) is an American geochemist and petrologist.
English Zircon Cited by user Citation bot on 18 Sep 2023 Zircon is a mineral belonging to the group of nesosilicates and is a source of the metal zirconium.
German Atomsonde Cited by user Cepheiden on 13 Sep 2022 Die Atomsonde ist ein Analysegerät der Materialwissenschaften. Sie ermöglicht die Identifikation der Masse einzelner Atome, die von einer sehr scharfen Spitze aus einem…
English Oldest dated rocks Cited by user Pol098 on 19 Jan 2022 The oldest dated rocks formed on Earth, as an aggregate of minerals that have not been subsequently broken down by erosion or melted, are more than 4 billion years old…