THESAURUS
shingled
arenaceous, arenarious, breccial, brecciated, bridging, craggy, crystal, crystalline, grainy, granular, granulate, granulated, gravelly, gritty, imbricate, incumbent, lapideous, lapping, lithoid, lithoidal, monolithic, overarched, overlapping, overlying, pebbled, pebbly, porphyritic, rock-ribbed, rock-strewn, rock-studded, rocklike, rocky, sabulous, sandy, shingly, spanning, stonelike, stony, superincumbent, trachytic