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Sandstone is - Sackville School
Sandstone is - Sackville School

... Metamorphic rocks sometimes show distortions caused by the movements that led to their formation. This may give rise to wavy or zig-zag patterns within the rock. Metamorphic rocks contain regular layers of crystals that sometimes have a wavy or zig-zag arrangement. ...
ROCKS-_PP
ROCKS-_PP

... • Igneous rocks form when molten material (magma & lava) cools • Magma is less dense than the surrounding rock, so it rises. • When magma cools slowly, there are LARGE crystals or mineral grains. • When magma cools quickly, the grains or crystals are small- even microscopic. ...
Metamorphic Rocks Labs
Metamorphic Rocks Labs

... Name:___________________________________________________________ Date: ________________ Period: _____ ...
Ch 3.3 & 3.4 Notes
Ch 3.3 & 3.4 Notes

... rocks may gradually change into granite (an igneous rock). At which temperature does metasomatism begin? ...
rocks
rocks

... runoff. Granite: This igneous rock formed about 2.7 billion years ago. Granite formed from molten material deep in the earth’s crust as it very, very slowly cooled underground. Granite is a light colored rock; mostly gray, pink and white. It is coarse-grained allowing us to see individual crystals o ...
SC.4.E.6.1, 6.2 Rocks, Minerals
SC.4.E.6.1, 6.2 Rocks, Minerals

... • SC.4.E.6.1 Identify the three categories of rocks: igneous, (formed from molten rock); sedimentary (pieces of other rocks and fossilized organisms); and metamorphic (formed from heat and pressure). • SC.4.E.6.2 Identify the physical properties of common earth-forming minerals, including hardness, ...
Igneous Rocks
Igneous Rocks

... large, well formed crystals. The mineral crystals within them are large enough to see without a microscope. • The more slowly molten rock cools within the Earth, the larger the igneous rocks crystals will be. • Examples of intrusive igneous rocks are granite, gabbro and diorite ...
7.2 NOTES What is chemical weathering? Objective: Explain how
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... Objective: Explain how Earth’s surface is worn away by chemical weathering ...
Slide 1
Slide 1

... • The Earth is constantly changing. Even the very rocks around you may have changed many times throughout their history! • The Rock Cycle explains the evolution of these igneous, sedimentary, and metamorphic rocks that make up the Earth’s crust. • Many processes, such as volcanic activity, movement ...
Rocks and the Rock Cycle
Rocks and the Rock Cycle

... Classwork 1 – Rocks and Rock Cycle 1. Three types of rocks and how they’re made 2. ____ are made of ____ 3. Are metamorphic rocks formed by melting other rock types? Explain 4. Compare the three types of sedimentary rock 5. Compare the two types of igneous rock ...
Notes from 6.2 Types of Sedimentary Rocks pages 141
Notes from 6.2 Types of Sedimentary Rocks pages 141

... Notes from 6.2 Types of Sedimentary Rocks pages 141-144 Sedimentary rocks are classified by their mode of formation. Clastic Sedimentary rocks – these are the most common and are formed from the abundant deposits of loose sediments that accumulate on Earth’s surface. Clastic means broken Coarse-grai ...
Chapter 5 Metamorphic Rocks Notes
Chapter 5 Metamorphic Rocks Notes

... • Form when rocks that already exist are changed by heat, pressure, hot water, and gases at great depths into new kinds of rocks • “Metamorphism” = “change in form” • Form 2 ways: • 1. Regional metamorphism • 2. Contact metamorphism ...
Chapter 4 Review sheet Answers
Chapter 4 Review sheet Answers

... 17. What color are granitic rocks? they are lighter in color Why does it have the color it has? granitic rocks are made up of a lot of silica which is lighter in color. 18. How can you describe what an andesitic rock is like? andesitic rocks are a cross between granitic and basaltic magma. At times ...
Notes-from-6.2 - Human Resources Department
Notes-from-6.2 - Human Resources Department

... Notes from 6.2 Types of Sedimentary Rocks pages 141-144 Sedimentary rocks are classified by their mode of formation. Clastic Sedimentary rocks – these are the most common and are formed from the abundant deposits of loose sediments that accumulate on Earth’s surface. Clastic means broken Coarse-grai ...
Rocks - sciencewithskinner
Rocks - sciencewithskinner

... 26) The intrusion and cooling of magma into older rock layers causes the creation of: a) contact metamorphic rock and limestone b) regional metamorphic rock and shale c) contact metamorphic rock and various intrusive igneous rock formations d) contact metamorphic rock and various extrusive igneous r ...
Topic 11
Topic 11

... - cemented shells and skeletons of marine organisms EX/ calcite  fossil limestone Magma and lava are both melted rock: It’s called magma when it’s underground, lava when it’s on the surface. ...
File - Mr. Snelgrove
File - Mr. Snelgrove

...  Define the term rock. Distinguish rocks from minerals.  List minerals that make up rocks. (e.g., granite, gabbro).  Be able to draw and explain the rock cycle.  Which two processes are involved in the process of lithification?  Which three conditions are required for metamorphism to occur?  K ...
Metamorphic Rock
Metamorphic Rock

... the atoms join together differently as new bonds form, this is crystallization. ...
Chapter6summary.doc
Chapter6summary.doc

... Igneous rocks are formed from the solidification of a melt molten rock belowground is called magma (intrusive) molten rock aboveground is called lava (extrusive) what causes melting? o Decompression melting – hot rock rising towards surface > less pressure > causes rock to start melting o Addition o ...
KCSE ONLINE GEOGRAPHY PP1 MARKING SCHEME SECTION A
KCSE ONLINE GEOGRAPHY PP1 MARKING SCHEME SECTION A

... 3.(a)Differatiate amineral and arock -amineral is any naturally occurring crystalline inorganic substance with definite chemical composition and physical properties that form part of the earth;s crust,while -a rock is any naturally occurring aggregate of mineral particles of the earth;s crust. (b)Th ...
SC.4.E.6.1, 6.2 Rocks, Minerals
SC.4.E.6.1, 6.2 Rocks, Minerals

... neither plant or animal--not a living thing is a mineral or made from minerals. Minerals touch our lives in hundreds of ways each day. Life as we know it would not exist without them. What are minerals? What are some minerals that touch your lives? ...
Rocks and Weathering Rock Cycle
Rocks and Weathering Rock Cycle

... by wind and water. These little bits of our earth are washed downstream where they settle to the bottom of the rivers, lakes, and oceans. Layer after layer of eroded earth is deposited on top of each. These layers are pressed down more and more through time, until the bottom layers slowly turn into ...
What is a Rock?
What is a Rock?

... Mineral crystals are made as the shallow water that has flooded the bottom of Death Valley evaporates. Click on image for full size (66K JPG) Courtesy of Martin Miller, University of Oregon ...
GEOL1010 Hour Exam 1 Sample
GEOL1010 Hour Exam 1 Sample

... d) ocean-ocean divergent plate boundary (mid-ocean ridge), and oceanic islands e) transform plate boundary(e.g. San Andreas Fault zone) 5. The earliest fossils of complex multi-celled organisms like trilobites are of about what age? a) 4.55 billion years (Hadean) b) 3.8 billion years (Archean) c) 1. ...
Fundamental Principles of Historical Geology
Fundamental Principles of Historical Geology

... Formation - a body of rock with distinctive lithology that is bounded by contacts. Must be thick enough to map (>20 feet thick). Outcrop or Exposure - where rocks are exposed at the earth’s surface. ...
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Igneous rock



Igneous rock (derived from the Latin word ignis meaning fire) is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the cooling and solidification of magma or lava. Igneous rock may form with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks. This magma can be derived from partial melts of pre-existing rocks in either a planet's mantle or crust. Typically, the melting is caused by one or more of three processes: an increase in temperature, a decrease in pressure, or a change in composition. Over 700 types of igneous rocks have been described, most of them having formed beneath the surface of Earth's crust.
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