Thin section 56NC329, opalized tuff (polarized) Image Read more about Thin section 56NC329, opalized tuff (polarized)
Thin section 56NC310, spherulitic rhyolite vitrophyre (polarized) Image Read more about Thin section 56NC310, spherulitic rhyolite vitrophyre (polarized)
Thin section 56NC310, spherulitic rhyolite vitrophyre Image Read more about Thin section 56NC310, spherulitic rhyolite vitrophyre
Thin section 56NC326, spherulitic rhyolite (polarized) Image Read more about Thin section 56NC326, spherulitic rhyolite (polarized)
Thin section 56NC326, spherulitic rhyolite Image Read more about Thin section 56NC326, spherulitic rhyolite
Thin section 56NC323, vitric tuff (polarized) Image Read more about Thin section 56NC323, vitric tuff (polarized)
Thin section 56NC325, vitrophyre (polarized) Image Read more about Thin section 56NC325, vitrophyre (polarized)
