Activity Sharli Taylor posted an image in the group What is it? from the myFOSSIL app 2 months, 2 weeks ago 2 months, 2 weeks ago 2 months, 2 weeks ago What is this? #fossilI put part of it in iron on for a bit Bill Heim replied 2 months, 1 week ago Some of these images are out of focus. The closeup shows mineral crystals, but I don’t see a fossil here. Sharli Taylor replied 1 month, 1 week ago It’s Older Mesozoic igneous rocks include granitoid rocks of Triassic and Jurassic age and hypabyssal volcanic rocks of presumed Jurasssic age.