Thin section 54NC334, brecciated quartz vn (polarized) Image Read more about Thin section 54NC334, brecciated quartz vn (polarized)
Thin section 54NC334, brecciated quartz vn Image Read more about Thin section 54NC334, brecciated quartz vn
Thin section 54NC340h, welded tuff (polarized) Image Read more about Thin section 54NC340h, welded tuff (polarized)
Thin section 54NC302, welded tuff (polarized) Image Read more about Thin section 54NC302, welded tuff (polarized)
Thin section 54NC321, opalized tactite (polarized) Image Read more about Thin section 54NC321, opalized tactite (polarized)
Thin section 56NC84, hornblende, biotite meta-quartz doirite (polarized) Image Read more about Thin section 56NC84, hornblende, biotite meta-quartz doirite (polarized)
Thin section 56NC84, hornblende, biotite meta-quartz doirite Image Read more about Thin section 56NC84, hornblende, biotite meta-quartz doirite