Info needed, found Gray Blue cave clay, in Pa.

Hi everyone, We been digging 45 feet back inside a cave tracking down a metal object and the clay inside up until now was brown. Now that we are close to the metal object there is a 2 foot streek of gray clay from the top of cave to the floor. When we dig the gray clay we see greenish blue powder or something inside of it. I sent samples out to a lab and no one knows for sure what turned the clay gray. The greenish blue looks like the same color on old copper. We are tracking down gold so I…

Read more

Leave a Reply

Your email address will not be published. Required fields are marked *