English: This image shows exposures of the Sevilleta Metarhyolite on a knoll just south of U.S. 50 west of Abo Pass, New Mexico, US. The Sevilleta Metarhyolite has a radiometric age near 1665 million years and records caldera eruptions during the assembly of southwestern North America from a series of microcontinents or island arcs.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.