megabreccia
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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
Geology of Tasmania — Tasmania has a varied geological history, with the world s biggest exposure of diabase, or dolerite. Rocks from the Neoproterozoic, Paleozoic and Mesozoic time periods appear. It is one of the few southern hemisphere areas glaciated during the… … Wikipedia
Flynn Creek crater — Flynn Creek crater, is an impact crater situated in Jackson County, approximately 8 km south of Gainesboro, Tennessee, USA. It was formed approximately 360 million years ago as a shallow, saucer shaped crater, 3.8 km in diameter and about 150 m… … Wikipedia
Places of interest in the Death Valley area — A view from Zabriskie Point Places of interest in the Death Valley area are mostly located within Death Valley National Park in eastern California. Contents 1 Ama … Wikipedia
Alamo bolide impact — The Alamo bolide impact occurred 367 million years ago, when one or more hypervelocity objects from space slammed into shallow marine waters at a site that is now the Devonian Guilmette Formation of the Worthington Mountains and Schell Creek… … Wikipedia
Lomas de Canelo — Las lomas de Canelo son una sierra de montañas de poca altura o lomas en el oriente del condado de Santa Cruz en Arizona. La sierra consiste de una serie de riscos con orientación noroeste sureste que se extienden desde el valle del arroyo… … Wikipedia Español
Holden (cratère martien) — Pour les articles homonymes, voir Holden. Cratère Holden Embouchure d Uzboi Vallis au sud ouest du cratèr … Wikipédia en Français
