Download Chapter 6, Section 3 Sedimentary Rock

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Transcript 
Chapter 6, Section 3
Sedimentary Rock
• Sedimentary Rock
• Forms from the
cementing and
compaction of
layers of sediment
• Sediment is
leftover pieces of
other rocks, like
sand, clay,
pebbles and silt
• 3 types of
sedimentary rock
• Clastic
• Chemical
• Organic
• Clastic
• Formed from
fragments of other
rock
• Sediments in a
river get sorted
out and then
bind/stick
together
• Sorting of
sediments
• Silt forms….
• Sands form….
• Pebbles and
gravels and sands
form…
• Shale
• Sandstone
• Conglomerate
• Compaction
• Cementation
• The pressing
together of a
rock’s materials
• The natural “glue”
that holds rocks
together
• Chemical Rock
• Forms from
dissolved minerals
• Minerals
precipitate out of
water
• Halite
• Salt Flat
• Organic Rock
• Form from the
remains of plants
and animals
• Coal
• Organic Limestone
• Features of
sedimentary Rock
•
•
•
•
•
Stratification
Fossils
Ripple Marks
Mud Cracks
Geodes
• Stratification
• Layering
• Fossils
• Remains of a plant
or animal left in a
rock
• Ripple marks
• Left by water
• Mud cracks
• Left by the lack of
water
• Geodes
• Fine quartz
crystals lining the
inside of a
limestone rock
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