intrusive, [32], [462], [463];

laminated structure of, [31];

marks of origin of, [30];

metamorphic, [30], [31], [465];

residual, [30];

sedimentary, [30];

sedimentary, of chemical precipitation, [464];

sedimentary, of mechanical origin, [463];

sedimentary, of organic origin, [464];

sedimentary, rounded grains of, [31];