World's Oldest Rock
Posted by: Groundspeak Premium Member MNSearchers
N 44° 48.202 W 095° 32.774
15T E 298632 N 4964261
Is located at the Yellow Medicine County Historical Museum is located in Granite Falls, MN.
Waymark Code: WM1TTD
Location: Minnesota, United States
Date Posted: 07/09/2007
Published By:Groundspeak Regular Member KC0GRN
Views: 259
Download this waymark:
.GPX File
.LOC File
.KML File (Google Earth)

This is the site of some of the oldest exposed rock in the world. Geologists estimate this Granitic Gneiss located here was formed 3,800,000,000 years ago.
Marker Type:: City
Visit Instructions:
A photo of the 'Marker' or 'Plaque' is required to identify the location, plus a picture of the 'Historic Site'.
Search for...
Geocaching.com Google Map
Google Maps
MapQuest
Bing Maps
Nearest Waymarks
Nearest Minnesota Historical Markers
Nearest Geocaches
Create a scavenger hunt using this waymark as the center point
Recent Visits/Logs:
Date Logged Log User Rating  
biscuitt bunch visited World's Oldest Rock 03/30/2023 biscuitt bunch visited it
wildernessmama visited World's Oldest Rock 05/17/2021 wildernessmama visited it
laurie563 visited World's Oldest Rock 05/05/2021 laurie563 visited it
Casper&Aero visited World's Oldest Rock 07/03/2019 Casper&Aero visited it
yetispaghetti visited World's Oldest Rock 07/05/2018 yetispaghetti visited it
m&m O visited World's Oldest Rock 06/12/2017 m&m O visited it
lan46 visited World's Oldest Rock 04/11/2015 lan46 visited it
leopold22 visited World's Oldest Rock 10/01/2013 leopold22 visited it
Eagle1977 visited World's Oldest Rock 12/19/2010 Eagle1977 visited it
Kitakima visited World's Oldest Rock 07/16/2010 Kitakima visited it
Quilting is fun too visited World's Oldest Rock 07/07/2010 Quilting is fun too visited it
JeremyBarck visited World's Oldest Rock 07/04/2010 JeremyBarck visited it
M&TCacheSeekers visited World's Oldest Rock 07/10/2009 M&TCacheSeekers visited it
NGComets visited World's Oldest Rock 03/24/2009 NGComets visited it
MNSearchers visited World's Oldest Rock 07/09/2007 MNSearchers visited it

View all visits/logs