GEO LAB 3

What is your answer from Lab Exercise #1, Step 10?

20m

What is your answer from Lab Exercise #1, Step 9?

20mm

What is your answer from Lab Exercise #1, Step 7?

25m

What is your answer from Lab Exercise #1, Step 6?

25mm

In a left-lateral strike-slip fault, which arrows describe the direction of the stress of the fault?

<--- --->

14. In a normal fault, which arrows describe the direction of the stress of the fault?

<--- --->

The Andes Mountains of South America and the Cascade Mountains of Northern California, Oregon, and Washington State are produced by what type of plate tectonic occurrence?

ocean-continent convergence

Faults associated with zones of subduction are _____________ faults depending on the angle of the dip.

reverse or thrust

The San Andreas Fault is a

right-lateral strike-slip fault.

In a right-lateral strike-slip fault, which arrows describe the direction of the stress of the fault?

---> <---

15. thrust/reverse fault, which arrows describe the direction of the stress of the fault?

---> <---

Record your answer from Lab Exercise #2, Step 5, Question 1. What type of fold is created from the deformation of the rock layers?

Anticline

Which type of fault motion stress causes a thrust/reverse fault to move?

Compression

Record your answer from Lab Exercise #1, Step 14, Question 2. What type plate boundary would be related to this type of fault?

Convergent boundary

The angle expressing the amount of incline between a tilted rock bed and a horizontal plane is called the bed's

Dip

Temperature often affects whether a substance will break or ooze. Taffy is an example of a substance that is brittle when cold but _____________ at room temperature.

Ductile

are bends in the rock strata and generally represent the ductile response of rock strata to compression within the earth's crust.

Folds

Rock has a response to stress similar to that of taffy. Crust that is close to the surface and cooler is more likely to be brittle and to break when stressed. Increase the pressure, however, and the rock will heat up, becoming ductile. Under heat and pressure, it will change its shape rather than break. Both brittle and ductile responses to stress are evident in

Mountain Ranges

Whether it is steel and aluminum, cookie dough, cheese, or paper, few substances stay the same when under stress; the response of a substance to stress is called

Strain

The orientation of a line of intersection between a horizontal plane and a tilted rock bed relative to true north is called the bed's

Strike

Record your answer from Lab Exercise #2, Step 7, Question 1. What type of fold is created from the deformation of the rock layers?

Syncline

Which type of fault motion causes a normal fault to move?

Tension

What is your answer from Lab Exercise #1, Step 11?

The stream would flow into the road.

Record your answer from Lab Exercise #2, Step 7, Question 2. Where on or within the fold are the youngest rocks located in this type of fold?

They appear on the inside of the fold.

Record your answer from Lab Exercise #2, Step 5, Question 2. Where on or within the fold are the youngest rocks located in this type of fold?

They appear on the outside of the fold.

Record your answer from Lab Exercise #1, Step 13, Question 1.Which type of fault would exist if point E moved near point F?

a normal fault

Record your answer from Lab Exercise #1, Step 14, Question 1. Which type of fault would produce movement along the fault to place point G near point H?

a reverse fault

Record your answer from Lab Exercise #1, Step 12, Question 1.

a right-lateral strike-slip fault

Record your answer from Lab Exercise #2, Step 8, Question 1. What type of stress did you apply to the rock layers in Steps 4 and 6?

compression

The Appalachian Mountains were uplifted by what type of mountain building scenario?

continent-continent plate collision

When a denser oceanic plate moves underneath a less-dense continental plate, what two types of geologic structures are produced during this plate movement?

deep-sea trench and continental arc

Record your answer from Lab Exercise #1, Step 13, Question 2. What type plate boundary would be related to this type of fault?

divergent boundary

Record your answer from Lab Exercise #2, Step 8, Question 2. What type of mountains are formed when the type of stress applied in Steps 4 and 6 occurs during a continent-continent collision?

foldbelt mountains

The best description of the relative movement across the normal fault depicted in Figure 3.6 is that the

hanging wall has moved down relative to the footwall.

A continent-continent collision produces a

mountain range

Record your answer from Lab Exercise #1, Step 12, Question 2. What type of plate boundary would be related to this type of fault?

transform boundary