Cathode Luminescence Image (IMAGE)
Caption
Cathodoluminescence image of a typical zircon with clearly pronounced concentric zoning. This zoning is evidence of changes in the local chemical composition of the host magma during crystal formation.
Credit
photo/©: Alfred Kröner
Usage Restrictions
This image may only be used in connection with the press release "Mineral discoveries in the Galapagos Islands pose a puzzle as to their formation & origin", issued by Johannes Gutenberg University Mainz on October 19, 2018.
License
Licensed content