Browse Items (264 total)

Have a look at the granodiorite (L120) in the 1A Reference Series.

ChronostratChart2019-05.pdf

Michel-Levy Chart (scan).pdf

Have a look at hornblende amphibole (M201, M211) and biotite mica (M303, M304) in the 1A Reference Series.
Output Formats

atom, dcmes-xml, json, omeka-xml, rss2