A(n) [X] is surface where two different kinds of rocks touch, as illustrated in

Question

A(n) [X] is surface where two different kinds of rocks touch, as illustrated in the image below. In map view or cross-section this surface is represented by a line. outcrop strata profile contact Which of the following best describe(s) the difference and relationship between the "strike" and "dip" of a rock unit? Choose all that apply. Strike and dip are always parallel to each other. Strike and dip are always perpendicular to each other. Strike is a horizontal line with a compass direction, whereas dip is an angle measured vertically downward from horizontal. Strike is a vertical line with a compass direction, whereas dip is a horizontal line that has an angle relative to north.

Explanation / Answer

1) contact, is the surface where two different rocks touch

2) b and c

strike and dip are always perpendecullar to each other. and dip is the angle of inclination of rock bed with respect to horizontal plane meassured in a vertical plane

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