Obsidian cutting tools
I read an interesting article in the New York Times that discussed the obsidian outcrops in Yellowstone National Park, and how they were mined for hundreds to thousands of years to supply the cutting...
Tagged: Igneous Rocks
As simple as black and white
I am absolutely convinced that we are all born geologists. I mean, really, what kid doesn’t have a rock collection? Sadly, most of us lose the love by middle school when the burdens and...
