lava trench
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lava channel — see lava trench … Glossary of landform and geologic terms
Marianas Trench Marine National Monument — President George W. Bush signs paperwork establishing the National Monument on January 6, 2009 The Marianas Trench Marine National Monument is a United States National Monument created by President George W. Bush by an executive order given on… … Wikipedia
mawae — (colloquial: Hawaii) A natural surface channel commonly found near the middle of an a a lava flow, formed by the surficial draining of molten lava rather than by erosion from running water; a type of lava trench. Compare: lava tube.… … Glossary of landform and geologic terms
Pacific Ring of Fire — The Ring of Fire redirects here. For other uses of the term, see Ring of Fire (disambiguation). The Pacific Ring of Fire (see below) … Wikipedia
Mount Rinjani — 1995 eruption Elevation 3,726 m (12,224 ft) … Wikipedia
river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… … Universalium
igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary … Universalium
Northern Cordilleran Volcanic Province — NCVP … Wikipedia
Mount Cayley volcanic field — Coordinates: 50°07′13″N 123°17′26″W / 50.12028°N 123.29056°W / 50.12028; 123.29056 … Wikipedia
Mount Meager — The Mount Meager volcanic complex rising above the Pemberton Valley. Summits left to right are Capricorn Mountain, Mount Meager proper and Plinth Peak … Wikipedia
