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Trapa-Trapa Formation, the Glossary

Index Trapa-Trapa Formation

Trapa-Trapa Formation (Formación Trapa-Trapa) is a volcano-sedimentary formation of Miocene age in south-central Chile and nearby parts of Argentina.[1]

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Table of Contents

  1. 26 relations: Andean Geology, Andes, Andesite, Araucanía Region, Argentina, Basalt, Basaltic andesite, Biobío Region, Breccia, Calc-alkaline magma series, Campanario Formation, Chile, Chilean Central Valley, Cola de Zorro Formation, Cura-Mallín Group, Dacite, Farellones Formation, Geological formation, Lava, Maule Region, Miocene, Neuquén Province, Pyroclastic rock, Silicon dioxide, Tuff, Volcano-sedimentary sequence.

  2. Andesite formations
  3. Geology of Araucanía Region
  4. Geology of Biobío Region
  5. Geology of Maule Region
  6. Geology of Neuquén Province

Andean Geology

Andean Geology (formerly Revista Geológica de Chile) is a peer-reviewed scientific journal published three times per year by the National Geology and Mining Service, Chile's geology and mining agency.

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Andes

The Andes, Andes Mountains or Andean Mountain Range are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America.

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Andesite

Andesite is a volcanic rock of intermediate composition.

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Araucanía Region

The Araucanía, La Araucanía Region (Región de La Araucanía) is one of Chile's 16 first-order administrative divisions, and comprises two provinces: Malleco in the north and Cautín in the south.

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Argentina

Argentina, officially the Argentine Republic, is a country in the southern half of South America.

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Basalt

Basalt is an aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the surface of a rocky planet or moon.

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Basaltic andesite

Basaltic andesite is a volcanic rock that is intermediate in composition between basalt and andesite.

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Biobío Region

The Biobío Region (Región del Biobío) is one of Chile's sixteen regions (first-order administrative divisions).

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Breccia

Breccia is a rock composed of large angular broken fragments of minerals or rocks cemented together by a fine-grained matrix.

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Calc-alkaline magma series

The calc-alkaline magma series is one of two main subdivisions of the subalkaline magma series, the other subalkaline magma series being the tholeiitic series.

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Campanario Formation

Campanario Formation (Formación Campanario) is a Miocene geological formation in the high Andes of Central Chile and northern Neuquén Province in Argentina. Trapa-Trapa Formation and Campanario Formation are andesite formations, geologic formations of Argentina, geologic formations of Chile, geology of Biobío Region, geology of Maule Region, geology of Neuquén Province, Miocene Series of South America, Neogene Argentina, Neogene Chile and Tuff formations.

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Chile

Chile, officially the Republic of Chile, is a country in western South America.

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Chilean Central Valley

The Central Valley (Valle Central), Intermediate Depression, or Longitudinal Valley is the depression between the Chilean Coastal Range and the Andes Mountains.

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Cola de Zorro Formation

Cola de Zorro Formation (Formación Cola de Zorro) is a geological formation cropping out along the Argentina-Chile border and composed of volcano-sedimentary and volcaniclastic rocks. Trapa-Trapa Formation and Cola de Zorro Formation are andesite formations, geologic formations of Argentina, geologic formations of Chile, geology of Araucanía Region, geology of Biobío Region, geology of Maule Region, geology of Neuquén Province, Neogene Argentina, Neogene Chile and Tuff formations.

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Cura-Mallín Group

Cura-Mallín Group (Grupo Cura-Mallín) is a heterogeneous group of volcano-sedimentary formations of Oligocene-Miocene age, Colhuehuapian to Laventan in the SALMA classification, in south-central Chile and nearby parts of Argentina. Trapa-Trapa Formation and Cura-Mallín Group are geologic formations of Argentina, geologic formations of Chile, geology of Araucanía Region, geology of Biobío Region, geology of Maule Region, geology of Neuquén Province, Miocene Series of South America and Neogene Chile.

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Dacite

Dacite is a volcanic rock formed by rapid solidification of lava that is high in silica and low in alkali metal oxides.

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Farellones Formation

Farellones Formation (Formación Farellones) is a geological formation of Miocene age in the Andes of Central Chile made up almost entirely of volcanic and volcaniclastic rocks. Trapa-Trapa Formation and Farellones Formation are andesite formations, geologic formations of Chile, Miocene Series of South America, Miocene volcanism, Neogene Chile and Tuff formations.

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Geological formation

A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics (lithology) that distinguishes it from adjacent bodies of rock, and which occupies a particular position in the layers of rock exposed in a geographical region (the stratigraphic column).

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Lava

Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface.

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Maule Region

The Maule Region (Región del Maule) is one of Chile's 16 first order administrative divisions.

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Miocene

The Miocene is the first geological epoch of the Neogene Period and extends from about (Ma).

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Neuquén Province

Neuquén is a province of Argentina, located in the west of the country, at the northern end of Patagonia.

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Pyroclastic rock

Pyroclastic rocks are clastic rocks composed of rock fragments produced and ejected by explosive volcanic eruptions.

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Silicon dioxide

Silicon dioxide, also known as silica, is an oxide of silicon with the chemical formula, commonly found in nature as quartz.

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Tuff

Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption.

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Volcano-sedimentary sequence

A volcano-sedimentary sequence is a stratigraphic sequence derived from the alternation and combination of volcanic and sedimentary events.

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See also

Andesite formations

Geology of Araucanía Region

Geology of Biobío Region

Geology of Maule Region

Geology of Neuquén Province

References

[1] https://en.wikipedia.org/wiki/Trapa-Trapa_Formation

Also known as Trapa-Trapa.