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“Bite-Size Bits of Local, National, and Global History”
Denali National Park in Denali Borough, Alaska — Northwest (North America)
 

Mountains in Motion / Hot Rocks

 
 
Mountains in Motion / Hot Rocks Marker image. Click for full size.
Photographed By Byron Hooks, September 3, 2013
1. Mountains in Motion / Hot Rocks Marker
Inscription.  
Mountains in Motion
Though the visible glaciers appear remote - gleaming between distant peaks - the valley below is strewn with signs of masses glaciation: stranded boulders, gouged-out ponds, and gravel outwash plains. The last big glacial advance plowed through this valley about 10,000 years ago. To a geologist’s eye, the landscape is still active with glaciers. Denali’s wandering meltwater rivers, cloudy with glacial silt and rock fragments, are evidence of ongoing glaciation and mountain carving.

Hot Rocks
The many-colored (polychrome) rocks are hardened lava, from a period of mountain building 100 million years ago. That timeframe seems unimaginably distant - yet this area is experiencing continued seismic activity. Earthquake tremors are frequent. As the crustal plates along the Denali fault keep grinding together, mountains of the Alaskan range may still be rising.
 
Topics. This historical marker is listed in this topic list: Science & Medicine.
 
Location. 63° 32.135′ N, 149° 49.72′ W. Marker is in Denali National
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Park, Alaska, in Denali Borough. Located at a rest stop along the Park Road in the Denali Nation Park, Park Road is closed to private vehicles. To reach this marker you can take one of the parks busses or an authorized tour bus, or hike in. See the Denali Nation Park web site for more information. Marker is in this post office area: Denali National Park AK 99755, United States of America. Touch for map. Marker is at or near this postal address: Park Road, Denali Nation Park, Denali National Park AK 99755, United States of America. Touch for directions.
 
Also see . . .  Denali Nation Park. “Denali is six million acres of wild land, bisected by one ribbon of road. Travelers along it see the relatively low-elevation taiga forest give way to high alpine tundra and snowy mountains, culminating in North America's tallest peak, 20,320' Mount McKinley. Wild animals large and small roam unfenced lands, living as they have for ages. Solitude, tranquility and wilderness await." Source NPS web site (Submitted on October 27, 2013, by Byron Hooks of Sandy Springs, Georgia.) 
 
Close up of "Hot Rocks" section of the marker image. Click for full size.
Photographed By Byron Hooks, September 3, 2013
2. Close up of "Hot Rocks" section of the marker
General view of the area image. Click for full size.
Photographed By Byron Hooks, September 3, 2013
3. General view of the area
General view of the area image. Click for full size.
Photographed By Byron Hooks, September 3, 2013
4. General view of the area
 
 
Credits. This page was last revised on August 29, 2020. It was originally submitted on October 27, 2013, by Byron Hooks of Sandy Springs, Georgia. This page has been viewed 667 times since then and 4 times this year. Last updated on January 19, 2014, by Byron Hooks of Sandy Springs, Georgia. Photos:   1, 2, 3, 4. submitted on October 27, 2013, by Byron Hooks of Sandy Springs, Georgia. • Syd Whittle was the editor who published this page.

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Mar. 1, 2024