scale cube
( plural )
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(geology, photography) A reference cube of standard, unitary size, normally one centimetre long, or one inch long for older American versions, placed beside a rock or meteorite sample to show scale and orientation during photography. Four sides of the cube are marked N, S, E, and W, respectively, to indicate the cardinal points of the compass, and the other two sides are marked T and B, for top and bottom.
scale cube
Before photographing the sample, the field geologist placed a scale cube beside the rock to show its size and orientation.
Before photographing the sample, the field geologist placed a scale cube beside the rock to show its size and orientation.
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