Sedimentary Rocks Rock Name Formation Composition Other Features/Color 1.. Sedimentary Rocks Rock Name Formation Composition Other Features/Color 2.. Sedimentary Rocks Rock Name Formatio
Trang 1Sedimentary Rocks
Trang 2Sedimentary rocks form in 1 of 3 ways:
1 Clastic Sedimentary Rocks- made of pieces and grains of other rocks Material such as sand or mud
-usually deposited in water
Conglomerate sandstone
Trang 3Sedimentary Rocks
2 Chemical Sedimentary Rocks- deposited in water from chemicals and minerals in the water.
-limestone is deposited in water from calcite
Trang 4Sedimentary Rocks
• 3 Organic sedimentary rocks- made up of remains of plants or animals.
–Chalk is made from tiny shells
–Coal is made from ancient plants
Trang 5Other sedimentary Features
1 Fossils- can be very common in sedimentary rocks
Trang 62 Nodules - (concretions) are ball-shaped rocks formed around a hard center object such as a sand grain
3 Geodes- hollowed out nodules with crystals filling the center area Crystals are usually quartz
Trang 8Sedimentary Rocks Rock Name Formation Composition Other Features/Color
1 Sandstone clastic sand grains rust color(iron)
Trang 9Sedimentary Rocks Rock Name Formation Composition Other Features/Color
2 Shale clastic mud “mud stone”, layers
Trang 10Sedimentary Rocks Rock Name Formation Composition Other features/color
3 Conglomerate clastic rocks,cements natural cement
Trang 11Sedimentary Rocks Rock Name Formation Composition Other features/color
4 Coal organic ancient plants black, carbon
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Sedimentary Rocks Rock name formation composition other features/color
5 Limestone chemical calcite caves
Trang 13Sedimentary Rocks Rock name formation composition other features/color
6 Nodule clastic sand grains desert rose
Trang 14Sedimentary Rocks Rock name formation composition other features/color
7 Geode clastic quartz crystals hollow “earth stone”
Trang 15Sedimentary rocks Rock name formation composition other features/color
8 Agate clastic quartz “melted quartz”
Trang 16Sedimentary Rocks
Rock Type formation composition other features/color
9 Jasper clastic quartz reddish brown
“Jasper”
Trang 17Sedimentary Rocks Rock Type formation composition other features/color
10 Chert clastic quartz brown, arrowheads
Trang 18Quiz: Sedimentary Rocks What you should know
- You should be able to identify the 10 sedimentary rocks
- You should know which are clastic, chemical, and organic
- You should know how clastic, chemical, and organic rocks form
- What is a nodule? A fossil? A desert rose? A geode?
- What is the mineral usually inside geodes?
- What are the 3 agates we learned?
- What was my dog’s name? Why?
- What mineral is limestone made of? What mineral are quartz, jasper, and chert made of?
- What is sandstone made of? What is shale made of?
- What rock is also called earthstone? Which is also called mudstone?
Trang 19On back of quiz paper
What are the 3 kinds of sedimentary rocks?
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