Microscopy

7333 R003 4x Tambora volcano petrographic thin section geology plagioclase clinopyroxene microlite groundmass micrograph XPL

tamboravolcanologyvolcanopetrographypetrographic thin sectionmicroscopyphotomicrographphotomicrographygeologyoptical mineralogyplagioclasemicroliteclinopyroxenegroundmassrockpolarized lightxplcross polarized lightinterference colouranisotropicanisotropybirefringencebirefringent