>>2691470I can't give an Id, but it most likely comes from an Andesite given the area you found it in.
>>2691523 The Eagle Ford is a shale (mud stone) and within the shale limestone nodules can rom, around fossils but they can also be found "free floating" in the shale, most of my shark's teeth come from the Eagle Ford-Austion Chalk transition zone that has a mix of shale limestone sandstone and conglomerate marital. Are you form the Dallas Fort Worth area, and have you found anything, feel free to post it and I might be able to help. pic related are the different zones of the Eagle Ford.
