
1) Crater 2) Crater lake locale 3) Craterlike basin of a volcano 4) Igneous rock 5) Linux company 6) River of South America 7) River of Chile 8) River in The New World 9) River in South America 10) River in Chile 11) River in The Americas 12) River of The Americas 13) Volcanic crater 14) Volcanic depression
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volcanic feature formed by the collapse of land following a volcanic eruption.
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http://en.wikipedia.org/wiki/Glossary_of_geology

The Spanish word for cauldron, a basin-shaped volcanic depression; by definition, at least a mile in diameter. Such large depressions are typically formed by the subsidence of volcanoes. Crater Lake occupies the best-known caldera in the Cascades.
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http://jersey.uoregon.edu/~mstrick/geology/geo_glossary_page.html

The Spanish word for cauldron, a basin-shaped volcanic depression; by definition, at least a mile in diameter. Such large depressions are typically formed by the subsidence of volcanoes. Crater Lake occupies the best-known caldera in the Cascades.
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http://midju.tripod.com/glossary.html

The Spanish word for cauldron, a basin-shaped volcanic depression; by definition, at least a mile in diameter. Such large depressions are typically formed by the subsidence of volcanoes. Crater Lake occupies the best-known caldera in the Cascades. Detailed definition of Caldera
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http://volcano.oregonstate.edu/glossary/1

large bowl-shaped volcanic depression more than one kilometre in diameter and rimmed by infacing scarps. Calderas usually, if not always, form by the ... [7 related articles]
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http://www.britannica.com/eb/a-z/c/6

Aniakchak Caldera formed during an enormous explosive eruption that expelled more than 50 km
3 of magma about 3,450 years ago. The caldera is 10 km in diameter and 500-1,000 m deep. Subsequent eruptions formed domes, cinder cones, and explosion pits on the caldera floor. Credit...
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http://www.daviddarling.info/encyclopedia/C/caldera.html

The Spanish word for cauldron, a basin-shaped volcanic depression; by definition, at least a mile in diameter. Such large depressions are typically formed by the subsidence of volcanoes. Crater Lake occupies the best-known caldera in the Cascades.
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http://www.encyclo.co.uk/local/21455

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.
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http://www.encyclo.co.uk/local/22291

A large, bowl-shaped crater associated with a volcanic vent. A caldera can form from a volcanic blas
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http://www.encyclo.co.uk/local/22392

a roughly circular depression near the summit of a volcano.
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http://www.encyclo.co.uk/visitor-contributions.php

A large, more or less circular depression or basin associated with a volcanic vent. Its diameter is many times greater than that of the included vents. Calderas are believed to result from subsidence, or collapse, and mayor may not be related to explosive eruptions.
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http://www.evcforum.net/WebPages/Glossary_Geology.html

A large circular depression in a volcano.
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http://www.physicalgeography.net/physgeoglos/c.html

A large, circular depression in a volcanic terrain, typically originating from collapse, explosion or erosion of a volcanic dome.
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http://www.scientificpsychic.com/etc/geology-glossary.html

A type of volcanic crater that is extremely large, usually formed by the collapse of a volcanic cone or by a violent volcanic explosion. Crater Lake is one example of a caldera on Earth.
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http://www.seasky.org/astronomy/astronomy-glossary.html

A large, basin-shaped volcanic depression that is more or less circular in form. Most volcanic calderas are produced by collapse of the roof of a magma chamber due to removal of magma by voluminous eruptions or subterranean withdrawal of the magma, although some calderas may be formed by explosive removal of the upper part of a volcano.
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http://www.solarviews.com/eng/terms.htm

n. A large circular volcanic depression, often originating due to collapse.
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http://www.ucmp.berkeley.edu/glossary/gloss2geol.html

n. A large circular volcanic depression, often originating due to collapse.
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http://www.ucmp.berkeley.edu/glossary/glossary_2.html

[
n] - a large crater caused by the violent explosion of a volcano that collapses into a depression
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http://www.webdictionary.co.uk/definition.php?query=caldera

A large volcanic depression at the summit of a volcano, caused by collapse or explosion.
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https://pds.jpl.nasa.gov/planets/special/glossary.htm
noun a large crater caused by the violent explosion of a volcano that collapses into a depression
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https://www.encyclo.co.uk/local/20974

In geology, a very large basin-shaped crater. Calderas are found at the tops of volcanoes, where the original peak has collapsed into an empty chamber beneath. The basin, many times larger than the original volcanic vent, may be flooded, producing a crater lake, or the flat floor may contain a nu...
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https://www.encyclo.co.uk/local/21221

A large volcanic depression up to 50 km across, formed by a collapse during and after an eruption. The northern part of Lake Taupo is a caldera.
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https://www.encyclo.co.uk/local/21337

A large, basin-shaped volcanic depression, more or less circular in form. Typically steep-sided, found at the summit of a shield volcano .
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https://www.encyclo.co.uk/local/22327

A large, basin-shaped volcanic depression, more or less circular or cirquelike in form, the diameter of which is many times greater than that of the included vent or vents, no matter what the steepness of the walls or form of the floor.
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https://www.encyclo.co.uk/local/22734
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