Microscopy

LYC_4605 R005 10x petrographic thin section microscopy rock geology Singapore Bukit Gombak Little Guilin biotite chlorite alteration anomalous berlin blue interference colour

microscopymicroscopetransmitted lightbrightfielddiascopic illuminationquartzxplcross polarized lightcrossed polarizersbiotitechloritechloritizationalterationberlin blueanomalous interference colouranisotropicanisotropybirefringencebirefringentoptical mineralogypetrographic thin sectionpetrographypetrologygeologyrockmineralsingaporebukit gombaklittle guilin