RUSSIAN JOURNAL OF EARTH SCIENCES, VOL. 16, ES3003, doi:10.2205/2016ES000573, 2016 ![]() Figure 3. Two representative images illustrating the same thin sections segment of the Outokumpu 1844 biotite gneiss obtained in parallel (a) and cross (b) Nicols. Besides plagioclase feldspar (Pl), quartz (Qz) and magnetite (Mg), both images illustrate the presence of strongly deformed, almost acicular biotite crystals (Bi). Copyright 2016 by the Geophysical Center RAS. Generated from LaTeX source by ELXpaper, v.1.5 software package. |