graphic granite

Hess describes the intrusion being surrounded by a graphic granite of peculiar beauty and definite structure, being more like a text-book illustration.

Micrographic differs from graphic granite in being so much finer-grained that the texture can only be seen in a petrographic thin section with a microscope.

Graphic granite is a leucocratic granitic rock consisting of alkali feldspar with exsolved quartz typically forming a distinctive repetitive pattern sometimes resembling the old Sumerian cuneiform writing.

"Graphic granite, interlocking crystals, cherts, gneisses, schists, shale, foliated metamorphics, quartzites, quartz crystals, red-bed sandstones, Triassic red sand, acidic volcanics, pink feldspar, green chlorite, ironstone, grit, sand and silt.