Macroscopic: Slate (low grade shale metamorphism) samples with visible thin black beds. Samples were found interbedded with siltstones represented by sample NS-1. High angle between bedding and cleavage. Microscopic: Very fine grained quartz, muscovite and biotite. Thin section picture in XPL unless otherwise noted in the picture title. Thin sections are 3mm across.
Western Minerals, Inc.
Number of Thin Sections