Sedimentary Rocks

Card Set Information

Author:
amcmullen
ID:
139648
Filename:
Sedimentary Rocks
Updated:
2012-03-04 21:06:05
Tags:
Sedimentary Rocks
Folders:

Description:
Rocks comprised of many different fragments, plants, animals and other rocks.
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  1. DETRITAL
    • Made mostly of rock fragments (Quartz, Feldspar or Clay minerals.)
    • Very Grainy
    • Transported sediment as solid particles
  2. CHEMICAL
    • Sediment that was once in solution
    • Made mostly of mineral crystals
    • Acidic rain helped to form these
  3. ORGANIC
    • Sediment from organic materials
    • Remains of organisms such as Shells, Fragments and Carbon
  4. CONGLOMERATE
    • Made mostly of smooth rounded grains
    • Detrital
  5. BRECCIA
    • Angular Sharpe edged grains
    • Detrital
  6. SANDSTONE
    • Detrital
    • No visible crystals
  7. CHERT
    • Chemical
    • Scratches Glass
    • Light in color
    • Microcrystaline with conchoidal fracture
  8. COQINA
    • Organic
    • Comprised of shells or shell fragments
    • Porous earthy rock
  9. LIMESTONE
    • Organic
    • Fizzes
  10. OOLITIC LIMESTONE
    • Chemical
    • Fizzes
  11. CALCERNITE (FOSSILIFEROUS)
    • Contains fossils and shell fragments
    • Organic
    • Well semented to form dense rock
  12. DOLOSTONE
    • Chemical
    • Fizzes if powdered
    • Microcrystaline
  13. BITUMUNOUS COAL
    • Organic
    • Black
    • Dense and Brital
    • Porous and sooty
  14. SHALE
    • Black and Gray
    • Detrital
    • Light weight
    • Splits easily

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