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];