chert / Rock Sedimentary rock

chert / Rock Sedimentary rock

chert / Rock Sedimentary rock

chert / Rock Sedimentary rock

chert / Rock Sedimentary rock

chert / Rock Sedimentary rock

conglomerate, chert / Rock Sedimentary rock

chert, green / Rock Sedimentary rock

chert, brecciated / Rock Sedimentary rock

chert, brecciated / Rock Sedimentary rock

chert breccia / Rock Sedimentary rock

meta-chert / Rock Sedimentary rock Metamorphic rock

chert, radiolaria-bearing / Rock Sedimentary rock

hornfels from chert / Rock Sedimentary rock Metamorphic rock

hornfels (banded chert) / Rock Sedimentary rock Metamorphic rock

hornfels, Grt, from chert / Rock Sedimentary rock Metamorphic rock

Coal / Rock Sedimentary rock

limestone / Rock Sedimentary rock

limestone / Rock Sedimentary rock

limestone / Rock Sedimentary rock

limestone / Rock Sedimentary rock

limestone / Rock Sedimentary rock

limestone / Rock Sedimentary rock

limestone / Rock Sedimentary rock

limestone / Rock Sedimentary rock

siltstone / Rock Sedimentary rock

rhyodacite welded tuff / Rock Igneous rock Pyroclastic rock

sandstone / Rock Sedimentary rock

vitric tuff, rhyolite / Rock Igneous rock Pyroclastic rock

andesite lava / Rock Igneous rock Lava

basalt, Ol / Rock Igneous rock

porphyrite / Rock Igneous rock

sandstone / Rock Sedimentary rock

basalt / Rock Igneous rock

sandstone / Rock Sedimentary rock

andesite, Aug-Hyp / Rock Igneous rock

tuff, layrered / Rock Igneous rock Pyroclastic rock

sandstone / Rock Sedimentary rock

porphyrite, Hbl / Rock Sedimentary rock

rhyolite welded tuff / Rock Igneous rock Pyroclastic rock

mylonite from rhyolite / Rock Metamorphic rock

basalt, Pyx / Rock Igneous rock

andesite, Pyx / Rock Igneous rock

granite, aplitic Bt / Rock Igneous rock

andesite, Aug-Hyp / Rock Igneous rock

granophyre, Bt / Rock Igneous rock

rhyolite welded tuff / Rock Igneous rock Pyroclastic rock

granodiorite / Rock Igneous rock

sandstone, calcareous / Rock Sedimentary rock