Spencer recognizes successively likenesses and unlikenesses among phenomena (the effects of the Unknowable), which are segregated into manifestations, vivid (object, nonego) or faint (subject, ego), and then into space and time, matter and motion and force, of which the last is symbolized for us by the experience of resistance, and is that out of which our ideas of matter and motion are built.
In some cases it appears to have segregated from a basic eruptive magma, and in other cases to have resulted from metamorphic action.
Blacks and whites are segregated in all schools.
The lode was an ore channel of great dimensions included within volcanic rocks of Tertiary age, themselves broken through pre-existing strata of Triassic age, and exhibited some of the features of a fissure vein, combined in part with those of a contact deposit and in part with those of a segregated vein.
Thirdly, there can be no doubt that the Christians had recently assumed a much bolder attitude, and thus segregated themselves from the mass of those unorthodox sects which the Roman could afford to despise.
Von Buch laid stress on geographical isolation as the cause of production of varieties, the different conditions of the environment and the segregated interbreeding gradually producing local races.