Petrified Tree - Yellowstone National Park
Posted by: Groundspeak Premium Member Volcanoguy
N 44° 54.933 W 110° 26.309
12T E 544321 N 4973722
Quick Description: A geologic history sign at the start of the trail up to the Petrified Tree in Yellowstone National Park.
Location: Wyoming, United States
Date Posted: 12/11/2011 10:25:57 PM
Waymark Code: WMDA2P
Published By: Groundspeak Premium Member muddawber
Views: 14

Long Description:
“This petrified redwood is a clue to a warmer, damper, more violent Yellowstone landscape. Anatomically the trunk is indistinguishable from present-day redwoods in California.
When a chain of volcanoes erupted here in Eocene times 50 million years ago, they triggered massive landslides into mountain and valley streams. The rolling mix of ash, water and sand buried whole forests. Before the trees could rot, abundant silica in the volcanic flow plugged living cells, creating 'forests of stone'.”
Marker Name: etrified Tree - Subtropical Yellowstone

Marker Type: Rural Roadside

Addtional Information:


Group Responsible for Placement: National Park Service

Web link(s) for additional information: [Web Link]

Date Dedicated: Not listed

Marker Number: Not listed

Visit Instructions:
Please post a photo of you OR your GPS at the marker location. Also if you know of any additional links not already mentioned about this bit of Wyoming history please include that in your log.
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Recent Visits/Logs:
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