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Answer the following questions about the picture to the right: How and where did this rock cool? What minerals might it be made up of? Make sure to explain.

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Presentation on theme: "Answer the following questions about the picture to the right: How and where did this rock cool? What minerals might it be made up of? Make sure to explain."— Presentation transcript:

1 Answer the following questions about the picture to the right: How and where did this rock cool? What minerals might it be made up of? Make sure to explain how you knew the answers!

2 What do rocks tell us about the Earth?

3 Small pieces of rock that are moved and deposited by water, wind and gravity When sediments come together they form sedimentary rocks

4 Deposition Sediments are deposited Lithification Physical and chemical processes that transform sediments into sedimentary rocks

5 o Compaction o Weight of the overlying sediments forces the sediments closer together o Cementation o Mineral growth glues sediment grains together into a solid rock

6 Bedding Horizontal layering of sedimentary rocks

7 Fossils can be preserved in sedimentary rocks during the lithification process (Organism Minerals Rocks)

8 Clastic Sedimentary Rocks Form from the deposit of loose sediments that accumulate on Earths surface Classified by the size of their particles Coarse grained, medium grained and fine grained

9 Chemical Sedimentary Rocks Minerals precipitate out of saturated solutions and settle to the bottom Layers of chemical sedimentary rocks form, called evaporites

10 Biochemical Sedimentary Rocks Form from the remains of once living things Limestone comes from calcium carbonate which is used by some organisms (shells)

11 1. How are clastic sediments classified? 2. What type of clastic sediment has largest particles size? Smallest? 3. What size are classified as sand? 4. What rock type is made up of cobbles? 5. Classify a sediment that is mm in size. 6. What type of rock has 0.05 mm sediment size?

12 1. Name 3 types of sed rocks. 2. How are clastic sed rocks classified? 3. Compare and contrast conglomerate w/ breccia. 4. How do chem. Sed. Rocks form? 5. Name 3 common evaporite minerals. 6. How do organic sed. Rocks form? 7. Name 2 organic sed rocks.


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