SEDIMENTARY ROCKS (NOTES)
Sedimentary Rocks: all rocks formed when sediments are
pressed and cemented (glued) together.
Sediments: loose materials such as rock fragments, mineral
grains, and bits of shell.
Example: clay, silt, sand
Detrital Sedimentary Rocks: rocks made from broken
fragments of other rocks. They are compacted and cemented
together.
Examples: Sandstone, Conglomerate, Breccia
Compaction: pressure from layers of sediment building up
press loose sediment together tightly
Cementation: occurs when minerals such as quartz, calcite,
and hematite are deposited between pieces of sediment. It is
the glue that holds the rock together.
Chemical Sedimentary Rocks: rocks that form when
dissolved minerals come out of a solution
Examples: Rock salt, limestone
Organic Sedimentary Rocks: Rocks made of once-living
things
Examples: Chalk, Coal, organic limestone
Important Sedimentary Rock Facts:
**They mostly contain LAYERS of built-up sediment.
**They are the only type of rock that will contain fossils.
Sedimentary Rocks Review
Name ________________
Period ___
Date ___________
Sediments
Sedimentary Rocks
Compaction
Cementation
Chemical Sedimentary
Organic Sedimentary Rocks
Detrital Sedimentary Rocks
1. These all rocks formed when sediments are pressed and cemented (glued)
together ____________________________________________________
2. Loose materials such as rock fragments, mineral grains, and bits of shell.
Example: clay, silt, sand _________________________________________
3. These rocks are made from broken fragments of other rocks. They are
compacted and cemented together.
Examples: Sandstone, Conglomerate, Breccia ________________________
4. Pressure from layers of sediment building up press loose sediment together
tightly ______________________________________________________
5. Occurs when minerals such as quartz, calcite, and hematite are deposited
between pieces of sediment. It is the glue that holds the rock together.
__________________________________________________________
6. Rocks that form when dissolved minerals come out of a solution Examples:
Rock salt, limestone ___________________________________________
7. Rocks made of once-living things
Examples: Chalk, Coal, organic limestone __________________________
Sedimentary Rocks Review (KEY)
Name ________________
Period ___
Date ___________
Sediments
Compaction
Rocks
Sedimentary Rocks
Cementation
Chemical Sedimentary
Organic Sedimentary Rocks
Detrital Sedimentary Rocks
1. These rocks formed when sediments are pressed and cemented (glued) together
Sedimentary rocks
2. Loose materials such as rock fragments, mineral grains, and bits of shell.
Example: clay, silt, sand Sediments
3. These rocks are made from broken fragments of other rocks. They are
compacted and cemented together.
Examples: Sandstone, Conglomerate, Breccia detrital sedimentary rocks
4. Pressure from layers of sediment building up press loose sediment together
tightly Compaction
5. Occurs when minerals such as quartz, calcite, and hematite are deposited
between pieces of sediment. It is the glue that holds the rock together.
Cementation
6. Rocks that form when dissolved minerals come out of a solution Examples:
Rock salt, limestone Chemical sedimentary rocks
7. Rocks made of once-living things
Examples: Chalk, Coal, organic limestone Organic sedimentary rocks