- GLOSSARY OF VOLCANIC TERMS
A clastic (volcaniclstic) deposit containing of a variety of different types of rock fragments.
Glossary of volcanic terms. - University of Wisconsin Oshkosh. G. J. Hudak. 2001.
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Wannagan Creek site — The Wannagan Creek site is a fossil site found in the South Unit of Theodore Roosevelt National Park of North Dakota, USA. The site is Paleocene in age, approximately 60 million years old. Paleontologists of the Science Museum of Minnesota have… … Wikipedia
Chinle Formation — Stratigraphic range: Triassic Chinle Badlands, Grand Staircase Escalante National Monument, Utah, US. Type Geological formation The Chinle is a geologic formation tha … Wikipedia
Horseshoe Canyon Formation — The Horseshoe Canyon Formation is part of the Edmonton Series and is up to 230m in thickness. It is Late Campanian to Early Maastrichtian in age (Edmontonian Land Mammal Age) and is composed of mudstone, sandstone, and carbonaceous shales. There… … Wikipedia
megabreccia — GLOSSARY OF VOLCANIC TERMS Coarse, heterolithic breccia deposits formed during caldera collapse, which contain fragments which are generally greater than one meter in diameter (Lipman, 1976). Megabreccia fragments may be so large that individual… … Glossary of volcanic terms
mesobreccia — GLOSSARY OF VOLCANIC TERMS Heterolithic breccia deposits formed during caldera collapse which contain fragments that are generally less than 1 meter in diameter (Lipman, 1976) … Glossary of volcanic terms