Thru Thick And Thin Quotes

We go on,” wrote Clover, “thru restless water between sheer walls of black to reddish basalt streaked with white marble.” It wasn’t truly marble, but thick ropes of Zoroaster Granite interlaced with dark schist formed 1.75 billion years ago when life on Earth had not progressed beyond a single cell. The ribbons of pale pinkish stone were once living magma in the veins of the earth, now hardened, folded, and warped by tectonic convulsions, brought into the sunlight by the thin knife of the Colorado River. These rocks were the roots of mountains that had long since eroded away.