GD-24-237 intercepted abundant visible gold from 4 mineralized zones with Surebet style mineralization, the Bonanza Shear, Golden Gate Zone as well as a mineralized porphyritic intrusive dyke for an ...

I live in central New Hampshire, aka the Granite State. They don’t call it that for nothing. My own house sits directly on top of one of the enormous granite plutons, the Meredith Porphyritic Granite.

- any igneous rock with crystals embedded in a finer groundmass of minerals ...