dolerite, Bt / Rock Igneous rock

dolerite, Bt / Rock Igneous rock

dolerite, Bt / Rock Igneous rock

granite, medium- to fine-grained Bt / Rock Igneous rock

granite, medium- to coarse-grained Bt / Rock Igneous rock

dolerite, Ol-bearing / Rock Igneous rock

meta-dolerite / Rock Igneous rock Metamorphic rock

gabbro in dolerite / Rock Igneous rock

granite, medium-grained Bt / Rock Igneous rock

granite, fine-grained Bt / Rock Igneous rock

granite, fine-grained Bt / Rock Igneous rock

granite, fine-grained Bt / Rock Igneous rock

dacite, Bt / Rock Igneous rock

dacite, Bt / Rock Igneous rock

dacite, Bt / Rock Igneous rock

dacite, Bt / Rock Igneous rock

dacite, Bt / Rock Igneous rock

aplite, Bt / Rock Igneous rock

tonalite, Bt / Rock Igneous rock

dolerite / Rock Igneous rock

dolerite / Rock Igneous rock

dolerite / Rock Igneous rock

dolerite / Rock Igneous rock

dolerite / Rock Igneous rock

dolerite / Rock Igneous rock

densely welded rhyolite tuff / Rock Igneous rock Pyroclastic rock

welded tuff, rhyodacite / Rock Igneous rock Pyroclastic rock

porphyrite, Hbl / Rock Igneous rock

dolerite / Rock Igneous rock

basalt, Ol / Rock Igneous rock

welded tuff, rhyolite / Rock Igneous rock Pyroclastic rock

andesite, Hbl-Pyx / Rock Igneous rock

hornfels, spotted Ms-Bt / Rock Metamorphic rock

andesite, Hyp / Rock Igneous rock

lapilli tuff, rhyolitic / Rock Igneous rock Pyroclastic rock

boninite / Rock Igneous rock

Qtz porphyrite, Bt-Hbl-Hyp / Rock Igneous rock

breccia / Rock Sedimentary rock

shale (Crd hornfels) / Rock Sedimentary rock Metamorphic rock

tuff, black / Rock Igneous rock Pyroclastic rock

dacite, Hyp-Bt / Rock Igneous rock

rhyolite lava / Rock Igneous rock Lava

welded tuff, rhyolite / Rock Igneous rock Pyroclastic rock

densely welded rhyolite tuff / Rock Igneous rock Pyroclastic rock

sandstone, massive (Bt hornfels) / Rock Sedimentary rock Metamorphic rock

hornfels, Bt, from rhyodacite welded tuff / Rock Igneous rock Metamorphic rock

sandstone / Rock Sedimentary rock

andesite / Rock Igneous rock

lapilli tuff, rhyolite / Rock Igneous rock Pyroclastic rock