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Sedimentary Rocks
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Weathering. The sediments that make up sedimentary rocks are produced by:. Mechanical 
Sedimentary Rocks
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1. Sedimentary Rocks
2. Weathering
3. Mechanical Weathering
4. Chemical Weathering
5. Erosion & Transport
6. Deposition
7. Lithification
8. Cementation
9. Sedimentary Rocks
10. Rock Identification is based on: Composition What minerals make up the rock? Texture What is the shape, size and orientation of the mineral grains that make up the rock? Major Difference: Crystalline vs. Clastic
11. Types of Sedimentary Rocks
12. Difference: Texture Detrital (Clastic Texture) vs. Chemical (Crystalline Texture)
13. Detrital Rock Composition
14. Detrital Rock Texture Clastic Texture
Grain Size
Grain Sorting
Grain Rounding
Sediment Maturity
15. Grain Size
16. Detrital Rock Names (Based Primarily on Grain Size)
17. Sorting
18. Grain Roundness
19. Gravel Sized Detrital Rocks (Subdivided Based on Grain Roundness)
20. Maturity
21. Sandstones (Subdivided based on maturity)
22. Sandstones Under a Scope
23. Detrital Sedimentary Rock ID
24. Chemical Rock Texture Crystalline Texture
Coarse
Fine
25. Chemical Sedimentary Rocks (Names based primarily on composition)
26. Chemical Rocks (Names based mainly on composition)
27. Chemical Rocks (cont.)
28. Chemical Sedimentary Rock ID
29. Sedimentary Rocks on Earth
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Lesson Aims How sedimentary rocks are made. Why fossils are in sedimentary rocks. - Lesson AimsHow sedimentary rocks are made.Why fossils are in sedimentary rocks.. . Cut out the five pictures.Stick them into your book in the same order.Match them up with these statements.Acid rain makes a crack in the rock.Bits of the rock fall off.The ice expands.Water in the crack freeze
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Sedimentary Rocks and the Origin of Sedimentary Strata - 2. Sedimentary Rocks. Sedimentary rocks are those rocks which form at or near the earth\'s surface primarily through:Deposition of weathered silicate material by water, wind, or ice (detrital, clastic, terrigenous)Direct inorganic chemical precipitation from water Precipitation by organic processes.
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Nonconformity - sedimentary rocks over crystalline metamorphic or igneous rocks -
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Sedimentary Rocks and Sedimentary Environments -
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SEDIMENTARY ROCKS, METAMORPHIC ROCKS, AND AGE DETERMINATION - SED-MET ROCKS-AGE. Sedimentary rock familyDefinition and Explanationcomprised of sedimentsaccumulated from physical and or chemical processes mostly in large bodies of waterconsolidated through lithification. SED-MET ROCKS-AGE. Factors and concepts related to rock formationweathering--\"breaking
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Rocks Sedimentary Rocks Introduction Limestone Limestone landscapes features Chalk - Sedimentary rocks are formed when eroded fragments of old rocks and dead organisms settle (usually in seas or rivers) to form a sediment. Over millions of years, layers of sediment build up and are buried one on top of the other. They are compressed, and their weight squeezes out the water. Eventual
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Sedimentary Rocks - Lithification of Sediments. Lithification processes that turn sediments into sedimentary rocks.involves compaction and cementation.reduces volume of pores (void spaces between grains).\"glues\" sediment grains together.. Compaction:rearrangement of grainsfragile grains crusheddue to weight of
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Sedimentary Rocks - Sedimentary rocks ? composed of sediment (particles derived by weathering). Detrital sediments ? particles derived by physical weathering Non-detrital sediments ? minerals precipitated from solution by inorganic chem. processes or activities of organisms Classification of Sedimentary ParticlesSizeSediment Name>2 mmgravel1/16-2 mmsand1/256-1/16 mmsilt<1/256 mmclay.
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Sedimentary Rocks - Sedimentary Rocks. ProcessesClastic3 Clastic Processes 14 Clastic Processes 25 Clastic Processes 36 Chemical Processes7 Accumulation8 Properties of Sediments9 Properties> Texture = Size and Shape10 Properties>Mineralogy11 Properties>Sedimentary Structures12 Interpretation of sedimentary rocks13 [Genetic] Classification of Sedimentary Rocks14 Classification of Sedimentary Rocks15 Classification of Sedimentary Rocks > Coal, Evaporites, Chert16 Classification of Sedime31771
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Sedimentary Rocks - Made from sediments or rock material that has been broken down in some way.Sedimentary rocks are usually formed in a watery environment.Often layeredAre the only rocks that contain fossils. Clastic (fragmental)
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