Petrified Log - Menlo Park, California
Posted by: Groundspeak Premium Member Volcanoguy
N 37° 27.355 W 122° 10.221
10S E 573376 N 4145773
Section of a petrified log at the USGS Campus in Menlo Park, California.
Waymark Code: WMADGM
Location: California, United States
Date Posted: 12/31/2010
Published By:Groundspeak Regular Member lenron
Views: 4

This petrified log is one example of a series of large blocks of rocks from various locations, which are on display around the USGS Campus in Menlo Park. There is a self-guided tour of the campus available at the visitor center.
Text of Sign: “This petrified log was collected west of Rawhide, Nevada from Tertiary Volcanogenic sediments of probable Miocene age (5-12 million years ago). Tree rings indicate that the coniferous tree lived for about 180 years.”

Type of Display: Geological

Visit Instructions:
When posting a visit, please provide at least one photo - including yourself in one of of the photos, your GPSr, or a photo different than the default photo.
Also, please provide your impression of the specimen or display.
Search for... Google Map
Google Maps
Bing Maps
Nearest Waymarks
Nearest Rock and Mineral Displays
Nearest Geocaches
Create a scavenger hunt using this waymark as the center point
Recent Visits/Logs:
Date Logged Log  
Volcanoguy visited Petrified Log - Menlo Park, California 12/15/2010 Volcanoguy visited it