30:48How to Identify Igneous Rocks in Thin Section & Hand Sample | GEO GIRLGEO GIRL50.9K viewsView & Download
27:44Optical Mineralogy Pt.1- Plane & Cross Polarized Light, Birefringence, Pleochroism, etc. | GEO GIRLGEO GIRL85.7K viewsView & Download
14:04Thin Section Petrography PART 1, with Dr. Jillian JordanSCRAP Archaeology3.0K viewsView & Download
0:26A thin section viewed through a petrographic microscope with stage rotationIKOIKO50411.3K viewsView & Download