Search the Community
Showing results for tags 'what is hard rock and soft rock?'.
Another air scribe question. I'm looking at scribes and after some reading I've understood there's two main types based on how they function. Don't remember the words but one types was 'push lever' or something and the other i can't remember at all. The point is that one is kinder to the rock than the other. My local stone is mostly limestone (some of it mildly metamorphosed) and shale. Shale I know is defined as soft rock, but what does limestone sort under? I have a hard time doing any prepping with hand tools, and most of the best fossils are found in the lime. So my question is