Uniformity of composition through) and the diploma of isotropy. The latter would be the extent to which the bulk structure and composition are the identical in all Instructions within the rock. gneiss Gneiss displays a effectively-produced foliation plus a badly produced schistosity and cleavage. It's handy to think of gneiss https://andersonlcrgu.angelinsblog.com/35443072/little-known-facts-about-rock-sticks