hornito

USGS PHOTO GLOSSARY OF VOLCANIC TERMS
A small rootless spatter cone that forms on the surface of a basaltic lava flow (usually pahoehoe) is called a hornito. A hornito develops when lava is forced up through an opening in the cooled surface of a flow and then accumulates around the opening. Typically, hornitos are steep sided and form conspicuous pinnacles or stacks. They are "rootless" because they are fed by lava from the underlying flow instead of from a deeper magma conduit.
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Photograph by D.A. Swanson on 21 May 1970
This hornito formed on the surface of a pahoehoe flow during the Mauna Ulu eruption on the east rift zone of Kilauea Volcano, Hawai`i.

Glossary of volcanic terms. - University of Wisconsin Oshkosh. . 2001.

Look at other dictionaries:

  • Hornito — dans le Puʻu ʻŌʻō à Hawaii. Un hornito est un cône volcanique de dégazage, généralement de faible taille, formé par l agglutination de lambeaux de lave chauds, ou scories, retombés encore liquides et soudés entre eux. Les hornitos se forment dans …   Wikipédia en Français

  • Hornito —   [zu spanisch horno »Ofen«] der, s/ s, über Austrittsstellen dünnflüssiger Lava aus noch flüssigen Schweißschlacken gebildete Turm oder Kegelform. * * * Hor|ni|to, der; s, s [span. hornito = Öfchen, Vkl. von: horno < lat. fornax = Ofen]… …   Universal-Lexikon

  • Hornito — Hor*ni to, n. [A dim. fr. Sp. horno oven, L. furnus. See {Furnace}.] (Geol.) A low, oven shaped mound, common in volcanic regions, and emitting smoke and vapors from its sides and summit. Humboldt. [1913 Webster] …   The Collaborative International Dictionary of English

  • hornito — [hôr nēt′ō, ôrnēt′ō] n. pl. hornitos [Sp, dim. of horno, oven < L furnus: see FURNACE] a small, beehive shaped mound built up from clots of molten lava ejected from an underlying volcanic tube …   English World dictionary

  • Hornito — 40 cm hoher Hornito am Puʻu ʻŌʻō im Dezember 2003 …   Deutsch Wikipedia

  • Hornito — Hor|ni|to der; s, s <aus gleichbed. span. hornito, eigtl. »Öfchen«, Verkleinerungsform von horno »Ofen« (von dem dt. Naturforscher A. v. Humboldt (1769 1859) eingeführt)> kegelförmige Aufwölbung über Austrittsstellen dünnflüssiger Lava …   Das große Fremdwörterbuch

  • hornito — /hawr nee toh/; Sp. /awrdd nee taw/, n., pl. hornitos / tohz/; Sp. / taws/. Geol. a low oven shaped mound of congealed lava, common in some volcanic districts, emitting hot smoke and vapors in the final stages of activity. [1820 30; < Sp, equiv.… …   Universalium

  • hornito — hor·ni·to …   English syllables

  • hornito — /hɔˈnitoʊ/ (say haw neetoh) noun (plural hornitos /hɔˈnitoʊz/ (say haw neetohz)) a low oven shaped mound, common in the volcanic districts of South America, etc., usually emitting hot smoke and vapours from its sides and summit. {Spanish,… …   Australian English dictionary

  • HORNİTO — İsp. Küçük fırın. * Jeo: Genellikle patlamalar neticesinde meydana gelen, lâv fışkırmalarının volkan selleri yüzeyinde meydana getirdiği kabarcık …   Yeni Lügat Türkçe Sözlük

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