Glossary entry (derived from question below)
English term or phrase:
caldera
Italian translation:
caldera
Aug 1, 2009 17:36
14 yrs ago
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English term
caldera
GBK
English to Italian
Science
Geology
Definition from
CENGAGE Learning:
A vast depression at the top of a volcanic cone, formed when an eruption substantially empties the reservoir of magma beneath the cone's summit. Eventually the summit collapses inward, creating a caldera. A caldera may be more than 15 kilometers in diameter and more than 1000 meters deep.
Example sentences:
Subsequent eruptions from the Long Valley magma chamber were confined within the caldera with extrusions of relatively hot (crystal-free) rhyolite 700,000 to 600,000 years ago as the caldera floor was upwarped to form the resurgent dome followed by extrusions of cooler, crystal-rich moat rhyolite at 200,000-year intervals (500,000, 300,000, and 100,000 years ago) in clockwise succession around the resurgent dome. (USGS)
Calderas tend to form after a series of large eruptions. Usually a new volcano starts to grow inside, eventually covering it. (About.com: Geology)
Over the course of several hundred years following the creation of the caldera, rain and snow filled the basin to a depth of 1,943 feet (592 meters). Crater Lake today is the nation’s deepest lake. (Crater lake)
Proposed translations
(Italian)
| 4 +2 | caldera |
Carla Sordina
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Proposed translations
+2
33 mins
Selected
caldera
Definition from
Sabatini Coletti, Dizionario di Italiano:
caldera [cal-dè-ra] s.f.<br />• geol. Depressione circolare prodotta dallo sprofondamento della cima di un cono vulcanico<br /><br />• sec. XVI
Example sentences:
La Caldera di Latera presenta un aspetto strutturale complesso dovuto alla sovrapposizione degli eventi vulcano-tettonici, con la presenza di direttrici strutturali ad andamento grossomodo appenninico ed antiappenninico. Per questo motivo la Caldera è articolata in diversi settori che hanno subito un'evoluzione vulcanica e tettonica diversificata (I complesso vulcanico di Latera)
L’area napoletana è caratterizzata dai vulcani attivi del complesso del Somma-Vesuvio e dei Campi Flegrei; quest’ultimo comprende la caldera flegrea e le isole di Procida ed Ischia, disposte, secondo un’orientazione NE-SW, a formare la Dorsale Flegreo-Ischitana. L’area napoletana offre quindi l’opportunità di studiare almeno due sistemi magmatici con caratteristiche strutturali (blocchi risorgenti, caldere, strato-vulcani) e petro-chimiche differenti (composizioni da alcali-trachitiche a trachitiche e trachi-basaltiche). (Ricerca Università degli Studi Roma Tre)
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