- volcanic clay
- volcanic clay BM, BOD vulkanischer Ton m
English-German dictionary of Architecture and Construction. 2013.
English-German dictionary of Architecture and Construction. 2013.
Volcanic ash — consists of small tephra, which are bits of pulverized rock and glass created by volcanic eruptions,United States Geological Survey. [http://volcanoes.usgs.gov/Hazards/What/Tephra/tephra.html Tephra: Volcanic Rock and Glass Fragments.] Retrieved… … Wikipedia
Clay Myers State Natural Area at Whalen Island — Clay Myers State Natural Area at Whalen Island … Wikipedia
clay mineral — any of a group of hydrous aluminum silicate minerals, as kaolinite, illite, and montmorillonite, that constitute the major portion of most clays. [1945 50] * * * Any of a group of important hydrous aluminum silicates with a layered structure and… … Universalium
Volcanic arc — Mariana Islands, an oceanic island arc A volcanic arc is a chain of volcanoes positioned in an arc shape as seen from above. Offshore volcanoes form islands, resulting in a volcanic island arc. Generally they result from the subduction of an… … Wikipedia
clay — GLOSSARY OF VOLCANIC TERMS 1. (minerals) A group of aluminum bearing hydrous phyllosilicate minerals (for example, kaolinite). 2. (textural) A sedimentary grain size classification for particles less than 1/256 mm in diameter, regardless of… … Glossary of volcanic terms
Geology of the Lassen volcanic area — The geology of the Lassen volcanic area presents a record of sedimentation and volcanic activity in the area in and around Lassen Volcanic National Park in Northern California, U.S.. The park is located in the southernmost part of the Cascade… … Wikipedia
Lassen Volcanic National Park — IUCN Category II (National Park) … Wikipedia
Garibaldi Volcanic Belt — The Garibaldi Volcanic Belt is a north south range of volcanoes in southwestern British Columbia, Canada. It is the northern extension of the Cascade Volcanic Arc, a chain of volcanoes of major andesitic to dacitic stratovolcanoes extending… … Wikipedia
red clay — noun clay whose redness results from iron oxide (Freq. 1) • Hypernyms: ↑clay, ↑mineral * * * noun 1. : clay that usually owes its reddish color to oxide of iron 2. : a slowly accumulating abysmal deposit covering some 55,000,000 square miles of… … Useful english dictionary
Geothermal areas in Lassen Volcanic National Park — ImageStackRight|200 Several groups of hot springs and fumaroles, remnants of former volcanic activity, exist in Lassen Volcanic National Park. Most of these lie in or are closely adjacent to Mount Tehama s caldera. Bumpass Hell is the most… … Wikipedia
Watts Point volcanic centre — Infobox Mountain Name= Watts Point volcanic centre Photo= Caption= Elevation= Convert|240|m|ft| 2|abbr=on Location=British Columbia, Canada Range=North Shore Mountains Prominence = Coordinates = coord|49|39|N|123|13|W|type:mountain region:CA… … Wikipedia