21 Terms
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Mapping science
The systemic study of the processes and designs involved with map making.
Industry: Earth science
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Mapping science
Autumnal equinox
Earth science; Mapping science
(1) That point at which the celestial equator intersects the ecliptic and at which the Sun apparently passes from north to south. (2) That time at which the Sun apparently passes from north to south ...
Alluvial fan
Earth science; Mapping science
A fan consisting of silt and other fine material deposited by a stream or river at its mouth or where the slope of the bed abruptly becomes less.
Etch slip
Earth science; Mapping science
A penci-shaped piece of abrasive used in removing unwanted marks from a metallic pressplate.
Fahrenheit temperature scale
Earth science; Mapping science
A temperature scale in which 32 o denotes the freezing point and 212 o the boiling point of water at 760 mm barometric pressure. Fahrenheit assigned the value 0 to the freezing point of a ...
Eustasy
Earth science; Mapping science
(1) Those changes of oceanic mean sea level which are peculiar to the oceans, as opposed to those changes which result from changes in crustal elevation. (2) The changes in average oceanic level, ...
Fault line
Earth science; Mapping science
The intersection of the surface of a fault with the surface of the earth or with any artificial surface of reference.
Contact slide base line apparatus
Earth science; Mapping science
A modified contact base line apparatus consisting of two steel measuring bars (rods), each 4 metres in length, so mounted that contact was effected by making lines on a rod and a contact slide ...
