Figure 16. Photomicrograph of a doubly polished thin section (sample 7B30-2) of banded fluorite dolostone marble showing fluorite (fl) replacement of dolomite (d) at triple-junction grain boundary. (Transmitted light.)
This page is https://pubs.usgs.gov/bulletin/b2143/fig16.html
Maintained by John Watson
Last updated 01.22.98