granodiorite, porphyritic, dacite, syenite, andesite, dioritic, dacitic, amphibolite, hornblende, alkalic, rhyolite, silicified, gneissic, igneous, pegmatite, pelitic, sedimentary, silicic, siliceous, chloritic, auriferous, brecciated, argillaceous, pyritic, norite, fragmental, interbedded, anorthosite, sericite, biotite, orogenic, calcareous, dunite, stratiform, ultrabasic, palaeozoic, haematite, basaltic, clastic, arcuate, surficial, colluvial, lapilli, magmatic, schistose, foliated, gossan, mineralized, graphitic, potassic, stratigraphic, metasomatic, saprolite, hematitic, chalcedonic, lateritic, albite, metamorphic rock, muscovite, extrusive, domal, calcic, lithologic, archean, illite, detrital, igneous rock, decalcified, intercalated, overlying, paleozoic, actinolite, vein quartz, pentlandite, evaporite, carbonaceous, erosional, pelite, felsite, hypabyssal, eclogite, huronian, lacustrine, pyroclastic, veinlet, ordovician, quartzite, aplite, peridotite, fuchsite, epidote, conglomeratic, archaean, depositional, proximal, basinal, supergene, extensional, hydrothermal, amphibole, recrystallized, phyllosilicate, granitoid, trachytic, gabbroic, volcanic, andesitic, rhyolitic, felsic, quartzitic, syenitic, laterite, glaciated, granite, ophiolitic, plutonic, quartzose

aplite, greisen, iron manganese tungsten, obsidian, pitchstone, wolframite

flinty, granitelike, hard, inflexible, rocklike, stony, unyielding