Cerro Nicholson is a
scoria cone
Scoria is a pyroclastic, highly vesicular, dark-colored volcanic rock that was ejected from a volcano as a molten blob and cooled in the air to form discrete grains or clasts.Neuendorf, K.K.E., J.P. Mehl, Jr., and J.A. Jackson, eds. (2005) ''G ...
in
Peru. It is constructed on top of the 1.65
mya
Mya may refer to:
Brands and product names
* Mya (program), an intelligent personal assistant created by Motorola
* Mya (TV channel), an Italian Television channel
* Midwest Young Artists, a comprehensive youth music program
Codes
* Burmese ...
Arequipa Airport Ignimbrite and is well preserved with a summit crater. It is located west-southwest of
Chachani 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
References
Volcanoes of Peru
Volcanic cones
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