Geology Test 2
Terms
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- Some mass moves move ____ and some move ____
- Rapid, Slow
- The water table marks the ____ of the zone of ____
- Top, saturation
- What land form is the end product in the arid cycle of erosion
- Pediment
- Ephemeral streams flow:
- After rain
- Karst topography forms in what kind of rock?
- Sandstone or Limestone
- The angle of repose is defined as the ____ to which dry loose material can accumulate
- Maximum stable angle
- A streams width and depth increase as it flows down stream
- True
- Sheet wash
- Film draining down slope
- Does ground water move at a rapid or slow rate
- Slow
- Capacity
- Total amount of load a stream is capable of carrying
- Gravel will be transported by a stream as the
- Bed
- The velocity of a stream increases in a down stream direction
- True
- What happens to the width of a stream as the discharge increases
- Increases
- Are shales aquifers?
- No
- What indicates that a stream is close to base level
- Ox-bow lakes and lateral erosion
- What is the lithology of Carlsbad Caverns?
- Limestone
- Permeability is the ability to
- Transmit fluids
- Describe the speed of soil creep
- Slow
- That natural intersection of the surface of the ground and the water table forms a:
- Spring
- Does a valley fill act as an aquitard or an aquifer?
- Aquifer
- Describe the speed of debris flow
- Rapid
- Extensive cave development generally forms in what rock type?
- Limestone
- Two problems due to over pumping of ground water:
- Waste of resources, subsidence
- Can a stream erode its channel below base level
- No
- The discharge of a stream increases in a down stream direction
- True
- Where in a meandering stream does erosion occur
- Outside
- A porous, permeable material that transmits ground water is called an:
- Aquifer
- Will a geologic report ensure you never have any slope instability problems?
- Yes
- To produce water all year long, a water well must penetrate the:
- Water table
- Will subsidence occur if the aquifer is a well cemented sandstone?
- No
- Discharge is defined as
- The amount of water passing a given point over a section of time
- Where in a meandering stream does deposition occur
- Inside
- What is the driving force for mass movement
- Gravity
- A ____ occurs when a stream leaves the mouth of a canyon
- Alluvial Fan
- A ____ is when a stream enters a standing body of water
- Delta
- Two types of fluid flow are ____ and ____
- Turbulent and Laminar
- The heat for geysers and hot springs come from:
- Cooling magma in the subsurface
- A streams gradient decreases in a down stream direction
- True
- In most cases, does ground water flow in underground streams
- No
- Describe the speed of a rock fall
- Rapid
- What happens to the depth of a stream as the discharge increases
- Increases
- What size sediment is transported as suspended load
- Mud, silt, and clay
- The Mississippi River Delta is classified as a ____ delta
- Bird Foot
- Perennial streams flow:
- All year long
- Does ground water flow laminar or turbulent
- Laminar
- How does a sink hole form?
- Roof of a limestone cave collapsing
- Rill wash
- Small close channels
- When will a stream carry the greatest amount of loud
- Flood
- Four types of stream load
- Bed, suspended, saltation, dissolved