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Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Mapping science

arundel method

Earth science; Mapping science

A method of mapping from aerial photographs, proceeding point by point by a combination of graphical and analytical methods of aerotriangulation.

geographic center

Earth science; Mapping science

The point on which a geographical region would balance if it were a plate of uniform thickness and density. In other words, it is the center of gravity of the plate. The ...

color of title

Earth science; Mapping science

A person is said to have color of title if a claim to a parcel of real property is based upon some written instrument, although a defective one. The title appears good but in ...

atomic clock

Earth science; Mapping science

Any clock in which the basic intervals of time are determined by reference to the resonant frequency of radiation absorbed or emitted by atoms or molecules. If the period is ...

chute

Earth science; Mapping science

A channel or trough underground or an inclined trough aboveground, through which ore falls from a higher to a lower level. Also spelled shoot.

non-metric camera

Earth science; Mapping science

A camera not designed specifically for use in photogrammetry.

clay

Earth science; Mapping science

(1) Any wet, adhesive earth such as mud. (2) An earthy, highly plastic sediment consisting of a considerable amount of hydrous silicates in the form of finely ground colloidal ...