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Valles Caldera National Preserve, New Mexico
Summary
hikers on hill slope with valley and hills in background
The explosive volcanic activity that formed the giant crater (“caldera”) is due to silica-rich (granitic) magma formed as hot asthenosphere rises and melts crustal rocks along the Rio Grande Rift.
Tags
plate tectonics
geology
geologic resources division
valles caldera national preserve
new mexico
hill slope
rio grande rift
hills
giant crater
national parks gallery
high resolution
Date
1916 - 2020
Source
National Parks Gallery
Link
Copyright info
Public Domain Dedication