Rock drills come in various sizes, just depends on what your comfortable with and what you plan to do with it.
Could be a chance for crystals in the roots and it's easy digging in those places so always prospect and check everything like that if the tree is already uprooted. The answer to the question is there in the roots and there's always a chance for anything.
Prospecting correctly takes the guess work out of the equation so just take the time to answer those questions with facts. Our guess won't do you any good unfortunately. All you can do is
My late father in-law was CEO & President of Ingersoll Rand after working for them for 30 years. I was living here then and had no idea the first rock drill in Colorado was designed by Ingersoll was here on this mountain shipped from Pennsylvania. I wonder if they would donate one to the family?
I believe I did find some silver I chiseled out of a wall. It seemed pliable, so I am not sure. I have also tried to get gold out of white Quartz and I am not strong enough to make even a dent. I may need multiple drills.
Thank you!
Good luck!