1. produced by cosmic rays or cosmic radiation
Usage: scientific

Examples

• Cosmogenic isotopes are created when cosmic rays interact with atoms in the atmosphere.
• Scientists use cosmogenic nuclides to date ancient surfaces.
• The cosmogenic production of carbon-14 occurs in the upper atmosphere.
• Researchers studied cosmogenic elements in meteorite samples.
• Cosmogenic exposure dating helps determine how long rocks have been exposed to cosmic radiation.
• The cosmogenic origin of certain isotopes makes them useful for geological dating.