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A long line with a short tick and a number, giving a bed's attitude.
Also known as: Dip symbol, Bedding attitude symbol
Strike and dip records the orientation of a rock layer in two numbers: the compass direction of a horizontal line on the surface, and the angle at which the layer tilts from it. The long line is the strike, the short tick shows which way it dips, and the number gives the angle.
Records the orientation of a geological surface, the long line giving the strike direction and the short tick the direction and angle of dip.
Contexts: Technical drawing, Maps
Uses two measurements because a plane's attitude cannot be given by one: a strike alone leaves the tilt unknown and a dip alone leaves the direction unknown.
Contexts: Technical drawing, Maps
Is drawn with the tick always at right angles to the strike line, because the steepest downward direction on a plane is always perpendicular to its horizontal.
Contexts: Technical drawing, Maps
A long straight line with a short line crossing one end at a right angle and a numeral beside the short line.