By hydrothermal means

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  • hydrothermally — hydrothermal ► ADJECTIVE ▪ relating to the action of heated water in the earth s crust. DERIVATIVES hydrothermally adverb …   English terms dictionary

  • hydrothermally — adverb see hydrothermal …   New Collegiate Dictionary

  • hydrothermally — See hydrothermal. * * * …   Universalium

  • hydrothermally — adv. (Geology) in a hydrothermal manner (of or pertaining to the activity of solutions and heated gases on the surface of the earth) …   English contemporary dictionary

  • hydrothermally — …   Useful english dictionary

  • hydrothermally altered — GLOSSARY OF VOLCANIC TERMS Minerals or rocks that have undergone hydrothermal alteration …   Glossary of volcanic terms

  • hydrothermal — hydrothermally, adv. /huy dreuh therr meuhl/, adj. Geol. noting or pertaining to the action of hot, aqueous solutions or gases within or on the surface of the earth. [1840 50; HYDRO 1 + THERMAL] * * * …   Universalium

  • 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

  • Tairus — (Russian: Тайрус, a portmanteau of Тайско (Thai) and Русский (Russian)) is a synthetic gemstone manufacturer. The company is a joint venture between the Siberian branch of the Russian Academy of Sciences and Tairus Co., Ltd. of Bangkok, Thailand …   Wikipedia

  • Izu-Bonin-Mariana Arc — The Izu Bonin Mariana (IBM) arc system is an outstanding example of a plate tectonic convergent boundary. IBM extends over 2800 km south from near Tokyo, Japan, to beyond Guam, and includes the Izu Islands. Bonin Islands, and Mariana Islands;… …   Wikipedia

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