Pillow Lava and Isolated-Pillow Breccia of Rhyodacitic Composition from the Fishguard Volcanic Group, Lower Ordovician, S.W. Wales, United Kingdom
- 1 March 1979
- journal article
- Published by University of Chicago Press in The Journal of Geology
- Vol. 87 (2), 193-201
- https://doi.org/10.1086/628409