XVIII. Questions (451-475) Flashcards
A fault rock type with a relatively fine grain size as compared to the host rock and resulting from crystal-plastic processes. a. Mylonite b. Schist c. Marble d. Phyllite e. Eclogite
a. Mylonite
A European traveler wrote an extensive account of the diamond mines in India during his visit in medieval times. Who was he?
Jean-baptiste Tavernier
A fault on which the hanging wall appears to have moved upward relative to the footwall is called? a. Pivot fault b. Reverse fault c. Oblique fault d. Hinge fault
b. Reverse fault
A fault in which movement is dominantly horizontal is known as? a. Transverse fault b. Normal fault c. Tear fault d. Horizontal fault
c. Tear fault
A fault dipping at more than 45° described as? a. Reverse fault b. Overthrust c. Strike-slip fault d. Tear fault
a. Reverse fault
A drilling company drills at 800m of depth… What best explains the reoccurrence of the conglomerate rock at the depth of 600-800m?
a. A drilling rig is located at the top of an up thrown block of a thrust fault.
A fault where the footwall is displaced downward relative to the hanging wall is a. a normal fault, b. a reverse fault, c. a right-slip strike slip fault, d. a left-slip strike slip fault, e. a structure that is entirely my fault.
a. a normal fault
A fault with a low angle of dip in which the hanging wall has moved up relative to the foot wall is called: a) normal b) reverse c) thrust d) strike slip e) no way to determine
c. thrust
A fault is said to be ‘capable’ if it a) produces large earthquakes b) has displaced ground during past 35,000 years c) breaks the surface
b. has displaced ground during past 35,000 years
A factor of safety less than 1.0 means that the hillslope is a) unstable b) marginally stable c) stable
a. unstable
A fault block that has been uplifted to the blocks on either side. a. graben b. horst c. plateau
b. horst
A drainage basin is underlain by a sandstone cemented by calcium carbonate and underlain by a shale. What might one find in solution in waters of the stream that drains this basin? A) Calcium ions; B) Mud; C) Sand; D) Sandstone boulders
A) Calcium ions
A fault wherein hanging wall moves down relative to the footwall a. Reverse fault b. thrust fault c. normal fault d. strike-slip fault
c. normal fault
A fault scarp is a curving cliff due to faulting is: A) True; B) False; C) Neither of them is correct; D) None of them
A) True
A fault with no footwall a) horizontal fault b) thrust fault c) vertical fault d) hinge fault e) horst
c. vertical fault
A fault in which the left block appears to have moved away from the observer. a) sinistral fault b) dextral fault c) strike slip fault d) transcurrent fault e) oblique slip fault
a. sinistral fault
A fault with no hanging wall a) horizontal fault b) monoclinal fault c) vertical fault d) hinge fault e) double plunging fault
c. vertical fault
A fault in which one block appears to have rotated along the fault plane with respect to another block, such that the displacement dies out towards the axis of rotation. a) hinge fault b) oblique slip fault c) rotational fault d) asymmetric fault e) normal oblique fault
c. rotational fault
A fault in which the left block appears to have moved away from the observer. a) sinistral fault b) dextral fault c) strike slip fault d) transcurrent fault d) oblique slip fault
a. sinistral fault
A fault in which the net slip is equal to the strike slip is called a. Normal b. Strike-slip c. Thrust d. Overthrust e. none of the above
b. Strike-slip
A drainage pattern that is common in igneous and flat lying sedimentary rocks that is characterized by irregular branching patterns in different direction is a. Rectangular b. Trellis c. Deranged d. Dendritic e. Barbed
d. Dendritic
A dune having crescentic ground plan, with convex side facing the wind is called a. Barchan b. Seifs c. Transverse d. Parabolic e. none of the above
a. Barchan
A fault whose hanging wall is on the down thrown side is a. Thrust b. Strike slip c. Wrench d. Normal e. Strike slip fault
d. Normal
A drainage pattern that forms in areas underlain by alternating bands of resistant and less resistant rocks. a. dendritic b. annular c. trellis d. rectangular
c. trellis
