Sedimentary Rocks
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Sedimentary Rocks
I. Sediment
A. Introduction
B. Process that leads to Lithification
1) Weathering and Erosion
Sedimentary Rocks
I. Sediment
A. Introduction
B. Process that leads to Lithification
1) Weathering and Erosion
2) Transportation
Sedimentary Rocks
I. Sediment
A. Introduction
B. Process that leads to Lithification
1) Weathering and Erosion
2) Transportation
3) Deposition
Sedimentary Rocks
B. Process that leads to Lithification
1) Weathering and Erosion
2) Transportation
3) Deposition
4) Lithification
Sedimentary Rocks
B. Process that leads to Lithification
1) Weathering and Erosion
2) Transportation
3) Deposition
4) Lithification
*cementation and compaction
Sedimentary Rocks
II. Composition of Sed. Rocks
A. Clay (multiple meanings)
1. size (0.004 mm)
2. Mineralogy
Sedimentary Rocks
II. Composition of Sed. Rocks
A. Clay (multiple meanings)
1. size (0.004 mm)
2. Mineralogy
* kaolinite
Sedimentary Rocks
II. Composition of Sed. Rocks
A. Clay (multiple meanings)
1. size (0.004 mm)
2. Mineralogy
* kaolinite
*illite
High Temp(1300 C)
Low Temp(600 C)
Olivine Ca Plagioclase Feldspar
Ca-Na Plagioclase FeldsparPyroxene
Amphibole Na-Ca Plagioclase Feldspar
Biotite Na Plagioclase Feldspar
Orthoclase Feldspar
Muscovite
Quartz
Sedimentary Rocks
III. Formation of Sedimentary Rocks
A. Detrital (Clastic)
B. Chemical
C. Biochemical
Sedimentary Rocks
IV. Morphology (texture)
A. Definition of texture:
“the size and shape of the particle that make up the rock.”
Sedimentary Rocks
IV. Morphology (texture)
A. Definition of texture:
“the size and shape of the particle that make up the rock.”
B. Size
Sedimentary Rocks
IV. Morphology (texture)
A. Definition of texture:
“the size and shape of the particle that make up the rock.”
B. Size
C. Shape
Sedimentary Rocks
VI. Features of Sedimentary Rocks
A. Bedding
B. Mud Cracks
C. Ripple Marks
D. Cross Bedding
Sedimentary Rocks
VI. Features of Sedimentary Rocks
A. Bedding
B. Mud Cracks
C. Ripple Marks
D. Cross Bedding
E. Graded Bedding
Sedimentary Rocks
VI. Features of Sedimentary Rocks
A. Bedding
B. Mud Cracks
C. Ripple Marks
D. Cross Bedding
E. Graded Bedding
F. Fossils