Structural geology . lacement by faultingbelow might take place above by The Kaibab fault ofthe high plateaus of Utah, a normal fault, grades along the strikeinto a monocline. Below the surface fractures die out, at depths varying with thestrength of rocks, when the zone of flowage for these given rocks isreached. Displacement may be accomplished by rock fractureabove and by rock flowage below. If a cube of soft clay be com-pressed from one side, held stationary at the ends, and with roomfor escape upward, a thrust fault will be developed on its upperside dipping toward the thrust. L
Structural geology . lacement by faultingbelow might take place above by The Kaibab fault ofthe high plateaus of Utah, a normal fault, grades along the strikeinto a monocline. Below the surface fractures die out, at depths varying with thestrength of rocks, when the zone of flowage for these given rocks isreached. Displacement may be accomplished by rock fractureabove and by rock flowage below. If a cube of soft clay be com-pressed from one side, held stationary at the ends, and with roomfor escape upward, a thrust fault will be developed on its upperside dipping toward the thrust. Lower in the cube this thrust 1 Geol. Atlas U. S., Roan Mountain folio, No. 151, IT. S. Geol. Survey, 1907. 2 Richards, R. W., and Mansfield, G. R., The Bannoek overthrust; a major faultin southeastern Idaho and northeastern Utah; Jour. Geol., Vol. 20, 1912, pp. 681-709. 3 Cadell, H. M., Geological Structure of northwest Highlands of Scotland: Survey of Great Britain, 1907, pp. 473-476. 52 STRUCTURAL GEOLOGY. Fig. 30. Map of the faults in the Roan Mountain and adjacent quadrangles,Tennessee and North Carolina, showing the relation of the minor faults(lighter lines) to the earlier major overthrust (heavy line). Curved fault tracesresult from folding and unequal erosion. After Keith.
Size: 2041px × 1224px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1913
