Search...
Home Subscribe
Pie
Home Subscribe
Recent topics Flagged topics Hot topics Best topics
Search...
Search within meaningless drivel Search permies
Advance search Google search
Register / Login
rocket mass heater dvd
  • Post Reply Bookmark Topic Watch Topic
  • New Topic
permaculture forums growies critters building homesteading energy monies kitchen purity ungarbage community wilderness fiber arts art permaculture artisans regional education skip experiences global resources cider press projects digital market permies.com pie forums private forums all forums
permaculture bootcamp design homesteader singles forum Gardening playing cards kickstarter native bee guide ebook skills to inherit property
this forum made possible by our volunteer staff, including ...
master stewards:
  • Carla Burke
  • Nancy Reading
  • John F Dean
  • paul wheaton
  • r ranson
  • Timothy Norton
  • Jay Angler
stewards:
  • AndrĂ©s Bernal
  • Pearl Sutton
  • Anne Miller
master gardeners:
  • Christopher Weeks
gardeners:
  • M Ljin
  • Jeremy VanGelder
  • thomas rubino

How Old is the Grand Canyon?

 
Adrien Lapointe
steward
Posts: 3722
Location: Kingston, Canada (USDA zone 5a)
554
13
I like...
purity dog forest garden fungi trees tiny house chicken food preservation woodworking
posted 12 years ago
  • Likes 1
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
    Send
  • Quote
  • Report post to moderator


A recent study from the University of Colorado, Boulder suggests that the Grand Canyon could be 70 million years old. That is quadruple the oldest previous estimate!

Source: http://news.sciencemag.org/sciencenow/2012/11/a-grand-old-canyon.html
 
this llama doesn't want your drama, he just wants this tiny ad for his mama
The new kickstarter is now live!
https://www.kickstarter.com/projects/paulwheaton/garden-cards
reply
reply
    Bookmark Topic Watch Topic
  • New Topic
Boost this thread!
Similar Threads
More...