ClipArt ETC
This illustration shows the Appalachian Mountains, a region of numerous flexures on a grand scale, as well as many faults; some flexures having a span of several miles, and others only a few feet or inches.

Appalachian Mountains

This illustration shows the Appalachian Mountains, a region of numerous flexures on a grand scale, as…

This illustration shows a rock formation with folds or flexures in strata. a x represents the axis or axial plane of the fold.

Flexures

This illustration shows a rock formation with folds or flexures in strata. a x represents the axis or…

This illustration shows a rock formation that has a tilted strata. d p is the direction of the dip. Both the angle of slope and the direction are noted by the geologist: thus, it may be said of beds, the dip is 50 degrees to the south, or 45 degrees to the northwest, etc.

Tilted Strata

This illustration shows a rock formation that has a tilted strata. d p is the direction of the dip.…

This illustration shows a rock formation that has a tilted strata. a b c d represents a square block of wood, having a graduated arc b c and a plummet hung below a. Placed on the sloping surface A B, the position of the plummet gives the angle of dip.

Tilted Strata

This illustration shows a rock formation that has a tilted strata. a b c d represents a square block…