About: La Hoyada volcanic complex

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La Hoyada is a volcanic complex in the Andes, directly southwest of Cerro Blanco and east of the San Buenaventura mountain range. The volcanic complex reaches an altitude of approximately 3,800 metres (12,500 ft) and consists of several eroded calderas. Breccia, ignimbrites, lava domes and lava flows have been described at La Hoyada. The ignimbrites cover a surface area of 5 square kilometres (1.9 sq mi). The volcanic complex has been affected by faulting.

Attributes	Values
rdf:type	geo:SpatialThing
rdfs:label	La Hoyada volcanic complex (en)
rdfs:comment	La Hoyada is a volcanic complex in the Andes, directly southwest of Cerro Blanco and east of the San Buenaventura mountain range. The volcanic complex reaches an altitude of approximately 3,800 metres (12,500 ft) and consists of several eroded calderas. Breccia, ignimbrites, lava domes and lava flows have been described at La Hoyada. The ignimbrites cover a surface area of 5 square kilometres (1.9 sq mi). The volcanic complex has been affected by faulting. (en)
geo:lat	-26.850000 (xsd:float)
geo:long	-67.739998 (xsd:float)
dcterms:subject	Volcanoes of Catamarca Province Pliocene calderas Calderas of Argentina Miocene calderas
Wikipage page ID	51411839 (xsd:integer)
Wikipage revision ID	1095309913 (xsd:integer)
Link from a Wikipage to another Wikipage	Volcanoes of Catamarca Province Intermediate composition Platinum Andesite Nazca Plate Ore Miocene Copper Andes Caldera Pliocene calderas Ignimbrite Supergene Cerro Blanco (volcano) Calderas of Argentina Miocene calderas Lava dome Breccia Paleozoic Dike (geology) Volcanic complex Subduction Lava flow Pliocene Neoproterozoic Ordovician Central Volcanic Zone Mafic Rift Back-arc South America Plate
Link from a Wikipage to an external page	https://www.sciencedirect.com/science/article/pii/S0377027317302706
sameAs	La Hoyada volcanic complex La Hoyada volcanic complex La Hoyada volcanic complex
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georss:point	-26.85 -67.74
has abstract	La Hoyada is a volcanic complex in the Andes, directly southwest of Cerro Blanco and east of the San Buenaventura mountain range. The volcanic complex reaches an altitude of approximately 3,800 metres (12,500 ft) and consists of several eroded calderas. Breccia, ignimbrites, lava domes and lava flows have been described at La Hoyada. The ignimbrites cover a surface area of 5 square kilometres (1.9 sq mi). The volcanic complex has been affected by faulting. Ignimbrites erupted at La Hoyada have been described as moderately welded andesites, of green-grey colour. The intermediate composition of dykes at La Hoyada contrasts with that of other volcanic rocks associated with extensional tectonics in the Puna, which tend to be of mafic composition. Some of the rocks underwent supergene mineralization later. The La Hoyada mine has yielded copper and platinum. Paleozoic rocks form the basement beneath Cerro Blanco, which also partly covers La Hoyada. Neoproterozoic and Ordovician sequences are also found at La Hoyada. Sometimes both volcanic centres are considered to be the same volcano. La Hoyada is usually considered a back-arc volcanic centre, and has been associated with extensional tectonics. The subduction of the Nazca Plate beneath the South America Plate has given rise to several distinct volcanic belts in the Andes, including the Central Volcanic Zone of the Central Andes. The volcanic complex was active in the Miocene and Pliocene during two stages. An age of 7.04 ± 0.03 million years ago has been determined for the ignimbrites. Another date for the complex is 9.8 ± 0.6 million years ago. Two distinct volcanic events have been dated 7.4-2.42 million years ago. Ore deposits linked with the volcanic rocks were the first aspect of La Hoyada studied. (en)
prov:wasDerivedFrom	wikipedia-en:La_Hoyada_volcanic_complex?oldid=1095309913&ns=0
page length (characters) of wiki page	7390 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:La_Hoyada_volcanic_complex
geo:geometry	POINT(-67.73999786377 -26.85000038147)
is Link from a Wikipage to another Wikipage of	Cerro Blanco (volcano) List of volcanoes in Argentina
is foaf:primaryTopic of	wikipedia-en:La_Hoyada_volcanic_complex

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