Sibley Volcanic Regional Preserve is the site of a small volcanic center that was last active about 10 million years ago. After it fizzled out, the whole thing was gradually buried in younger sediment. Within the last few million years, the action of the Hayward fault squeezed, folded and uplifted this sequence of rocks and…
Thin section images of coarse lapilli tuffs from the
Igneous Accretionary Lapilli Tuff ID'd (Ohanapecosh)
Sibley sights: Lapilli tuff
September, 2017
Andrew Alden, Oakland Geology
The Katwe-Kikorongo volcanic ®eld of southwest Uganda, to the
Accretionary Lapilli Tuff - Geology Superstore
Lapilli - Wikipedia
Compressional-wave seismic velocity, bulk density, and their
Compressional-wave seismic velocity, bulk density, and their
Accretionary Lapilli Tuff - Geology Superstore