Nice finds , that’s a productive hunt some really nice sized pieces in there. What time frame do you think these fall into ? They are all really similar material and types to one of my sites here in Maryland.
Rhyolite, is the green, and yellowish, i stay a 15 day walk one-way to even get to that material and then carry it back somehow, but its used alot, i thinking a closer source with amount being used. but the quartz comes local everywhere, and alot of what i call river egg quartzite