Cerro Nicholson is a
scoria cone
A cinder cone or scoria cone is a steep, conical landform of loose pyroclastic fragments, such as volcanic ash, clinkers, or scoria that has been built around a volcanic vent. The pyroclastic fragments are formed by explosive eruptions or l ...
in
Peru
Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...
. It is constructed on top of the 1.65
mya
Mya or MYA may refer to:
Brands and product names
* Mya (TV channel), an Italian Television channel
* Mya (program), an intelligent personal assistant created by Motorola
* Midwest Young Artists, a comprehensive youth music program
Codes
* B ...
Arequipa Airport Ignimbrite and is well preserved with a summit crater. It is located west-southwest of
Chachani
Chachani is a volcanic group in southern Peru, northwest of the city of Arequipa. Part of the Central Volcanic Zone of the Andes, it is above sea level. It consists of several lava domes and individual volcanoes such as Nocarane, along with ...
volcano
and was emplaced 77,400 ± 18,400 years ago.
It is part of the so-called "Yura Monogenetic Field", which was only discovered in 2022.
Lavas erupted from this centre are dark in colour. They are
basalt andesitic with
vesicularity between 0 and 70%.
See also
*
Andagua volcanic field
The Andagua volcanic field (also known as Andahua) is a volcanic field in southern Peru which includes a number of cinder cones, lava domes and lava flows which have filled the Andagua Valley (which is also known as Valley of the Volcanoes for t ...
*
El Misti
Misti is a dormant volcano located in the Andes mountains in southern Peru, rising above Peru's second-largest city, Arequipa. It is a conical volcano with two nested summit craters, the inner one of which contains a volcanic plug or lava dome ...
References
Volcanoes of Peru
Volcanic cones
{{Volcanology-stub