Valle Grande

Valle Grande (HM1E21)

Location: Jemez Springs, NM 87025 Sandoval County
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Country: United States of America
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N 35° 51.103', W 106° 27.311'

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Inscription
About one million years ago, the magnificent valley before you was formed by collapse, after a series of tremendous volcanic eruptions ejected a volume of material more than 500 times greater than the May 1980 eruptions of Mt. St. Helens. This event climaxed more than 13 million years of volcanism in the Jemez Mountains. Minor volumes of magma, leaking to the surface as recently as 50,000 years ago, formed the dome-like hills between you and the skyline to the north, which is the opposite wall of the enormous Valles Caldera. The heat from young volcanism makes this area attractive for geothermal energy.
Details
HM NumberHM1E21
Tags
Marker Condition
9 out of 10 (1 reports)
Date Added Sunday, October 12th, 2014 at 12:29pm PDT -07:00
Pictures
Sorry, but we don't have a picture of this historical marker yet. The member who adopted this marker listing is responsible for adding pictures.
Locationbig map
UTM (WGS84 Datum)13S E 368598 N 3968479
Decimal Degrees35.85171667, -106.45518333
Degrees and Decimal MinutesN 35° 51.103', W 106° 27.311'
Degrees, Minutes and Seconds35° 51' 6.18" N, 106° 27' 18.66" W
Driving DirectionsGoogle Maps
Area Code(s)505
Closest Postal AddressAt or near 100-198 Unnamed Road, Jemez Springs NM 87025, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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I Saw The Marker

Marker is on the north side of Highway 4 located at the south side of the Valles Caldera, about 1/2 mile east of the entrance to the Valles Caldera National Preserve.

Jun 28, 2015 at 11:05pm PDT by medalguy

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Maintenance Issues
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