Structural Test Name__________________________________

Earth Science

Section I: Multiple Choice: Choose the best answer for the following question.(10 points)

_____ 1. Which on of the following is a type of stress?

A. ShearB. CompressionC. TensionD. All of the above

_____2. What do we call a fault in which the hanging wall moves up along the dip with respect to the footwall (as pictured)?

A. Normal Fault B. Strike Slip FaultC. Anticline Fault D. Reverse Fault

_____3. What do we call a fold in which the rock layers are folded upward, with the limbs sloping up to the axis of the fold (as pictured)?

A. AnticlineB. Syncline C. Reverse Fault D. Monocline

_____4. What produces a reverse fault?

A. Tensional StressB. Compressional StressC. Shear Stress

_____5. In a syncline the oldest rocks are found_______.

A. On the limbs of the foldB. Near the axis of the foldC. At the bottom of the foldD. All of the above

_____6. Fractures and Faults are the result of _________deformation.

A. BrittleB. DuctileC. PlasticD. Liquid

_____7. The dip of a rock layer represents the ________________

A. The horizontal distance on the ground surfaceB. Part of the rock that has been erodedC. The angle which the rock layer inclines from the horizontal D. Displacement along a fault line.

_____8. The two sides of any fold are called _________________.

A. AnticlineB. Syncline C. LimbsD. Axis

_____9. In the picture feature below the cat is standing what part of the fault?

A. Fault axisB. Hanging WallC. FootwallD. Axial Plane

_____10.

10. In plunging folds, the nose of the fold points in the direction of plunge in an anticline, and opposite the plunge direction in a syncline. True or False?A. TrueB. False

Section II: Matching. Use the word bank below to label the appropriate fold name to the picture. They are used once. ( 7 points)

A. AnticlineB. SynclineC. MonoclineD. DomeE. BasinF. Plunging SynclineG. Plunging Anticline

Picture 1:

Picture 2:

  Picture 3:

Picture 4:

Picture 5:

Picture 6:

Picture 7:

Section III: Unconformities

Define the following words

A. Unconformity:

B. Disconformity:

C. Angular unconformity:

D. Nonconformity:

Label the following diagram below. You cannot drag down the right answer.

Identify the type of unconformity in the picture

Section IV: Relative Dating

Use the diagram below to answer the questions that follow.

_____ 1. According to the diagram above, which is the correct order from youngest to oldest?

A) dinosaur bone, snail fossil, trilobite fossilB) gray shale, gabbro dike, red sandstoneC) black shale, tan sandstone, gray shaleD) trilobite fossil, snail fossil, dinosaur bone

_____ 2. According to the diagram, which of these is the oldest?

A. gray shale, B. B) gabbro dike, C. C) granite dike, D. D) green shale

_____ 3. Which of these came first?

A. black shale

B. dinosaur bone

C. gabbro dike

D. tan limestone

_____ 4. When did the gabbro dike form?

A. before the gray shale

B. after the black shale, but before the brown sandstone

C. after the granite dike

D. after the green shale but before the snail fossil

_____ 5. What type of unconformity does this diagram represent?

A. disconformity

B. nonconformity,

C. angular Unconformity

_____ 6. The granite dike occurred

A. before the black shale B. after the red sandstoneC. before the trilobite fossilD. after the snail fossil.

What is the sequence of events for the rock block above? Start with the latest to the earliest.