Ge*ol"a*try (?), n. [Gr. ge`a, gh^, the earth + &?; worship.] The worship of the earth. G. W. Cox.

The Geological Series. &fist; The science of geology, as treating of the history of the globe, involves a description of the different strata which compose its crust, their order of succession, characteristic forms of animal and vegetable life, etc. The principal subdivisions of geological time, and the most important strata, with their relative positions, are indicated in the following diagram.