. . . . . . . . "petrologically" . . . "Petrology#Branches" . . "petrologic" . . . "Petrologist" . "Petrologically" . "petrological" . "Petrology" . "petrology#History" . . . "igneous petrologists" . . "Petrology" . . . "petrographical" . . "Petrological" . . "petrology" . . "rock description" . . . . . . . . . . . "lithologies" . "suite" . . . "rocks" . "lithology" . . . "artificially resetting sample minerals" . "lithologic" . . "Igneous petrology" . . . . "petrologists" . . . . . "formation of rocks" . . . . . . "artificially resetting" . "Rock types" . . . "petrographic" . . "petrologist" . . . . .