Geological dating: alternatives and connections

Of or pertaining to algology; as, algological specimens.

The separation of a compound substance, by chemical processes, into its constituents, with a view to ascertain either (a) what element…

One who analyzes; formerly, one skilled in algebraical geometry; now commonly, one skilled in chemical analysis.

A hard, compact variety of mineral coal, of high luster, differing from bituminous coal in containing little or no bitumen, in consequ…

An artificial pond, or a globe or tank (usually with glass sides), in which living specimens of aquatic animals or plants are kept.

The force exerted between the atoms of elementary substance whereby they unite to form chemical compounds; chemical attaction; affinit…

The act or process of collecting or of gathering; as, the collection of specimens.

quantitative chemical analysis by color using a colorimeter

quantitative chemical analysis by color using a colorimeter

A critical examination or estimate of a work of literature or art; a critical dissertation or essay; a careful and through analysis of…

use of chemical analysis to estimate the age of geological specimens

To divide or separate, as into classes, orders, kinds, or species; to classify; to assort, as specimens, letters, etc.

To collect specimens in the study of entomology.

To judge and form an opinion of the value of, from imperfect data, -- either the extrinsic (money), or intrinsic (moral), value; to fi…

A computer method for predicting how a structure responds to forces or heat.

a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods"

A collection of specimens of plants, dried and preserved; a hortus siccus; an herbarium.

A collection of dried specimens of plants, systematically arranged.