Formation
Question asked by: pstone
Asked on: 13 Jun 2008
These stones and their patterns were created through the process of glaciation.
As for when this happened it is thought to be around about 350 million years ago.
It is also the state stone of Michigan, which is one of US states.
By: knowitall
Replied at: 22 Aug 2008
Average rating for this answer is 4 / 5
Rate Answer
Comment or provide your answer to this question
No comments have been added to this question "Formation".
No comments have been added to this question "Formation".
Ask a New Question
Find out more about Geology
Geology Questions and Answers the earth Questions and Answers Next question: what is the name of the largest volcano in the world?
Become a Member! It's Free >>>
Share on Facebook: 
On Twitter:
Tweet this!
Question Keywords
formation
More Questions:How Do You Write Procidures Of Mineral Identification?
How Close Is TOO Close To A LIQUEFACTION ZONE?
If There Is Global Warming Why Is It So Cold?
What Causes Holes To Go All The Way Through Small Pebbles And Rocks?
Soils Take How Many Years To Form?