Sedimentary Rocks & Groundwater

Card Set Information

Author:
Anonymous
ID:
122982
Filename:
Sedimentary Rocks & Groundwater
Updated:
2011-12-12 00:47:44
Tags:
Geol Final
Folders:

Description:
Chapters 13 & 14
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user Anonymous on FreezingBlue Flashcards. What would you like to do?


  1. Most sedimentary rocks are ____ in origin.
    clastic or detrital
  2. Which of the following sedimentary features can be used to determine the direction of sediment transort?
    asymmetrical ripple marks
  3. The primary requirement for the accumulation of the carbonate materials required for the production of limestone is that the water be
    warm.
  4. Of all the products of weathering, the one available in greatest abundance for the formation of sedimentary rocks is
    clay minerals
  5. The sedimentary rock whose presence is interpreted as meaning that the materials of which the rock is formed were created very close to the place where the rock is found is
    breccia
  6. Which of the following depositional environments will most likely result in the formation of graded bedding?
    temperate-climate lake
  7. Which of the follwoing types of sedimentary rock can form by both chemical and biochemical processes?
    limestone
  8. The sedimentary feature that is common to all sedimentary rocks is
    bedding
  9. Most sedimentary rocks form from the sediments that accumulate
    off coastlines adjoining opening oceans
  10. The most abundant type of sedimentary rock is
    shale
  11. Approx. __% of earth's land surface is covered be sedimentary rocks
    75
  12. An arkose is a type of sandstone containing appreciable amounts of ___ in addition to the dominant quartz
    feldspar
  13. The flint used by paleo-people to make their tools is a kind of ___
    chert
  14. The type of sedimentary rock that undergoes lithification priomarily by the process of compaction is ___
    shale
  15. The three minerals that make up most cementing agents are ____, ____ and ____
    calcite, quarts, and hematite
  16. The term that is used to describe materials that are laid down directly by streams is____
    alluvial
  17. The principle that states that the types of sedimentary rocks observed in a vertical sequence of marine sedimentary rocks reflects the depositional environments that existed side by side perpendicular to the shoreline at any one time is called ___
    Walther's Law
  18. A transgressive sequence of marine sedimentary rocks records the fact the sealeverl was ____
    rising
  19. The two major evaporite minerals are ____ and ____
    gypsum and halite
  20. In terms of roundness and sphericity, a cube exhibits high ____ and low ____
    sphericity, roundness
  21. Refers to solid materiall eroded and transported from their point of origin and deposited at some distant locale
    detrital
  22. Refers to deposition in a lake
    laccustrine
  23. The process by which particles are seperated by size
    sorting
  24. A sandstone containing appreciable amounts of feldspar
    arkhose
  25. A limestone consisting chiefly or wholly of shells and shell fragments
    coguina
  26. Refers to a wetland depositional enviornment
    paludal
  27. A deep-sea sedimentary rock whose beds are characterized by graded bedding
    Turbidite
  28. A graded bed recording one year's accumulation of sediment in a lake
    varve
  29. The process by which sediments are converted to sedimentary rocks
    lithification
  30. A sedimentary rock made of crypto-crystalline quartz
    chert
  31. Arrange the following particle sizes in order from largest to smallest
    • 1. cobble
    • 2. pebble
    • 3. granule
    • 4. sand
    • 5. silt
  32. Which of the following selections represents the increasing ability of rocks to transmit water?
    aquiclude-aquitarde-aquifer
  33. The dept to the watertable is primarily determined by
    the annual percipitation
  34. overall, the best aquifers are
    sandstones
  35. artesian wells produce their water from
    confined aquifers
  36. On the average, rocks are saturated with water from the regional watertable to a depth of about
    2500 feet
  37. which of the following combinations of porosity and permeability is not likely to occur?
    low porosity with high permeability
  38. Which of the following statements concerning limestone caves is ture?
    the cave system was formed when the limestone layer was below the watertable while the dripstone features formed when the limestone layer was above the watertable
  39. The water in a well drilled into an unconfined aquifer system will rise to
    the watertable
  40. The most common feature exhibited by karst topography is
    sinkholes
  41. The dripstone features that sdorn limestone caves are formed from the deposition of
    calcite
  42. The porosity that results from the presence of unfilled pores within the rock is called ____
    intergranular
  43. As sediments become more poorly sorted and as the particles become more irregular in shape, the porosity ____
    decreases
  44. Shale s are normally aquitardes and often aquiclude because of very low ____
    permeability
  45. The contact between the zones of aeration and saturation is called the ____
    watertable
  46. Water produced from a confined aquifer will rise to the ____
    pressure surface
  47. The dripstone feature that hangs from the roof of limestone cave is called a ___
    stalacite
  48. Perched or hanging watertables are the result of a(an) ____ located aboce a reginal watertable
    aquiclude
  49. On average, water moves through aquifers at a rate of about ____ a day
    1 inch
  50. The difference in the elevation over which the water flows through an aquifer determines the ____
    hydraulic head
  51. A municipal water systemm is an example of an artifical ____
    confined aquifer
  52. The percent of total rock volume represented by open spaces
    porosity
  53. The ability of a rock to transmit a fluid
    permeability
  54. The hydraulic head divided by the horizontal distance traveled
    hydraulic gradient
  55. A watertable located above the regional watertable
    perched watertable
  56. The level to which water will rise in a well producing water from a confined aquifer
    pressure surface
  57. The lowering of the watertable arounf a pumping well
    cone of depression
  58. The loss of water from an aquifer
    dewatering
  59. A stream losing water to the groundwater
    influent stream
  60. A circular to elliptical surface depression resulting from underground dissolution of limestone
    sinkhole
  61. Refers to water production from a confined aquifer
    artesian

What would you like to do?

Home > Flashcards > Print Preview