Beaver Marsh Rest Area
Posted by: Groundspeak Premium Member Volcanoguy
N 43° 10.641 W 121° 47.171
10T E 598651 N 4781224
This history sign is at the Beaver Marsh Rest Area on U.S. Hwy. 97 south of Chemult, Oregon.
Waymark Code: WMJA3B
Location: Oregon, United States
Date Posted: 10/17/2013
Published By:Groundspeak Premium Member TheBeanTeam
Views: 2

This geologic history sign is located at Beaver Marsh Rest Area kiosk for the Volcanic Legacy Scenic Byway.

Marker Name: Beaver Marsh Rest Area

Marker Text: Imagine 7,700 years ago, not being able to see across the forest. It was so dense with particles of pumice ash that seeing the trees would not have been possible.
The mountain where present day Crater Lake is located, Mt. Mazama, explosively erupted sending pumice ash more than 30 miles into the air. The ash was carried by winds, depositing ash up to 300 feet deep in some places. The ash traveled great distances, covering portions of 8 states and Canada.
Frothy lava trapped volcanic gases in tiny glass bubbles. As these bubbles hardened and cooled, they shattered into little fragments known as pumice ash. Though this ash floats in water, it does not have the ability to hold many nutrients or much water.
The forests in this area, known as the Pumice Desert, have larger spaces between plants than many other forests because the soils do not have enough water and nutrients to help the plants thrive. In fact, aside from the trees there are few plants on the forest floor. Looking in other areas of this volcanic landscape rich soils support dense forests, with a large diversity of plants and animals.

Historic Topic: Geological

Group Responsible for placement: Other

Marker Type: Roadside

Region: Central Oregon

County: Klamath

State of Oregon Historical Marker "Beaver Board": Not listed

Web link to additional information: Not listed

Visit Instructions:

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Recent Visits/Logs:
Date Logged Log User Rating  
NW_history_buff visited Beaver Marsh Rest Area 04/20/2018 NW_history_buff visited it
Volcanoguy visited Beaver Marsh Rest Area 09/12/2013 Volcanoguy visited it

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