microfelsitic
1microfelsitic — /mī krə fel sitˈik/ adjective Of the cryptocrystalline texture of a quartz felsite groundmass ORIGIN: ↑micro (1a) …
1microfelsitic — /mī krə fel sitˈik/ adjective Of the cryptocrystalline texture of a quartz felsite groundmass ORIGIN: ↑micro (1a) …