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Chapter 15 Rocks & Fossils
The primary reason people study rocks is
They tell a story.
What kind of rock appears to be made of particles bonded together by natural cements or of solids that settled from water solutions?
Sedimentary rocks have been known to form in days. What famous eruption site demonstrates the rapid formation of sedimentary rocks?
Mount St. Helens in Washington State
Sedimentary rocks characteristically form layers called what?
Sedimentary rocks are classified in two basic ways. What are they?
1.Clastic – fragmental – made up of parts from other rocks 2.Nonclastic – chemical – came from dissolved minerals
Three kinds of clastic rocks are:
1.Conglomerate – pebbles & gravel 2.Sandstone – sand 3.Siltstone or shale – silts & clays
How is breccia different than conglomerate rocks?
The fragments are sharp and angular instead of rounded like a conglomerate.
This is a material in which something else is enclosed or embedded.
Nonclastic or chemical sedimentary rocks form from minerals dissolved in what?
When minerals in water become supersaturated, the mineral may crystallize out of solution, settling as a solid to the bottom to form a what?
Halite deposits occasionally occur deep underground as vertical cylindrical masses called what?
What is any trace or remains of a living organism that has been preserved by natural means?
Fossils that extend through several layers of sedimentary rock strata have been found. What are they called?
What three natural materials are known as fossil fuels?
Coal Oil (petroleum) Natural gas
When found, oil is usually associated with what kind of rock?
The fossil fuels are often found with fossils of what creatures?
Evolution believe that oil formed over millions of years. When do creationist believe that oil formed?
Formed quickly during or shortly after the Genesis Flood.
Information and images on this PowerPoint come from Space & Earth Science, Third Edition, 2005 BJU Press, Greenville, South Carolina
Sedimentary Rock Chapter 4 Section 3. Sedimentary Rock Forms when wind or water deposit sediment Sediment – small pieces of material that come from rock.
Sedimentary Rocks Rocks that are formed in flat layers called strata.
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Sedimentary Rocks. Sedimentary Rocks are #1 Earth’s crust was made of IGNEOUS rocks But 75% of the rocks on the Earth’s crust are SEDIMENTARY! Why?
What do you know about sedimentary rocks? Key Question: Scripps Classroom Connection.
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Sedimentary Rocks Graphic Organizer Notes. Sedimentary Rocks Is when sediments of rocks, plants, or animals are cemented together, at or near the Earth’s.
SEDIMENTARY ROCKS CHAPTER 6. Materials that make up sediments Weathered Rocks Organic Material Mineral Fragments.
A rock is a naturally occurring solid mixture of one or more minerals, or organic matter Rocks are classified by how they are formed, their composition,
Sedimentary Rocks Notes Sedimentary Rock – when sediments become pressed or cemented together or when sediments precipitate out of a solution. Sediments.
2.4 Sedimentary Rocks. sedimentary rock – small particles of rocks or the remains of plants and animals are pressed and cemented together, forming flat.
Sedimentary Rocks deposition. Origin of Sedimentary Rocks Most common rocks on the earth are igneous. 2 nd common sedimentary.
SEDIMENTARY ROCKS There are 2 ways sedimentary rocks are formed 1. Clastic are made from sediments glued together 2. Non-clastic : not glued together---include.
Sedimentary Rocks Chapter 4 Section 4. Sedimentary Rocks Sediments are loose materials like rock fragments, mineral grains, and bits of shell. Sediments.
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Sedimentary Rocks 2006 Prentice Hall Science Explorer- Earth Science Liz LaRosa 2009http://www.middleschoolscience.com.
Chapter 10 Sedimentary Rocks. Sedimentary Rocks Accumulations of various types of sediments Compaction: pressure from overlying sediments squeezes out.
Sedimentary Rocks Sedimentary rocks are those that are formed from the collection of sediments from pre- existing rocks or through organic materials.
Bell Ringer What type of rock is formed when you melt a rock (magma or lava) and then cool it? Igneous Sedimentary Metamorphic.
S E D I M E N T A R Y R O C K. From Sediment to Rock Sedimentary rock forms from particles deposited by water, wind, and ice. Sediment is small, solid.
Sedimentary Rock Chapter Sedimentary Rock 1.Sedimentary Rocks a.Sedimentary rocks are formed when sediment deposits harden after being compressed.
R oc ks Chapter 3 Rocks Naturally occurring solid material made of one or more minerals Grouped into 3 main types, based on the way it was formed.
SEDIMENTARY ROCK. BIG Idea Most rocks are formed from pre-existing rocks through external and internal geologic processes.
Sedimentary Rocks I. Formation of Sedimentary Rocks - Sedimentary = “settling” - Form when solids settle out of a fluid such as water or air. - The sediments.
- 75% of the rocks exposed at the surface are sedimentary rocks.
Sedimentary Rocks. Formation of Sedimentary Rocks Sedimentary rock forms at or near the surface, when sediments are pressed and cemented together, or.
CHAPTER 6-3 SEDIMENTARY ROCKS. What is sediment? Loose fragments of rock, minerals, and organic material that result from natural processes (including.
Aim: How can we explain sedimentary rock formation?
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6.1/6.2 Guided Notes Hybrid. Weathering, Erosion and Deposition Produces Sediments: small pieces of rock that are moved and deposited by water, wind and.
Chapter 6, Section 3 Sedimentary Rock Sedimentary RockForms from the cementing and compaction of layers of sediment Sediment is leftover pieces of other.
Sedimentary rock is formed by weathering and erosion Sediments are moved from one place.
Rocks and Rolls. Rocks Nearly all rocks are composed of one or more minerals Geologists classify rocks according to how they were formed –Sedimentary.
Table of Contents Title: Types of Sedimentary Rocks Page #: 42 Date: 12/3/2012 Title: Types of Sedimentary Rocks Page #: 42 Date: 12/3/2012.
Sedimentary Rocks. From Sediment to Rock. Sediment Sediment Small solid pieces of material that come from rocks or living things May include shells bones.
Earth Science Unit 1 Chapter 3 Lesson 2 Sedimentary Rocks.
Section 3: Sedimentary Rocks Chapter 5: Rocks. Objectives After completing the lesson, students will be able to... Describe how sedimentary rocks form;
Lithification/ Diagenesis From pile of sand to solid rock Loose sediment, like that shown in (A) may someday become a rock like the one in (B) if compacted.
AIM: How are Sedimentary Rocks Formed? Do Now: Take out your ESRT and turn to page 7. Look at the chart called Scheme for Sedimentary Rock identification.
Sedimentary rocks. Conglomerate- clastic Made of rock pieces and pebbles that are rounded in shape.
CHAPTER 6.3 SEDIMENTARY ROCKS. 95% OF EARTHS CRUST IS IGNEOUS ROCK, AND 4-5% IS SEDIMENTARY AND METAMORPHIC ROCK SEDIMENTS – ANY SUBSTANCE THAT SETTLES.
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WEATHERING: - cementation and compaction of weathered material on the earth’s surface creates sedimentary rocks Weathering is the process of breaking.
Coulter. Sediment is small, solid pieces of material that come from rocks or living things. Most sedimentary rocks are formed through a series of processes:
Chapter 5: Rocks Section 3: Sedimentary Rocks. From Sediment to Rock Sediment – small, solid pieces of material that come from rocks or living things.
Sedimentary Rocks Uluru, Australia. Grand Canyon, Arizona.
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