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Sedimentary Rocks ID Lab
Sedimentary Rocks ID Lab

... Sedimentary rocks are rocks that are composed of the weathered remains of other rocks. These fragments have been compressed and cemented together by mineral material in layers. Other sedimentary rocks are made when they are left behind when seawater evaporates. Others are made when biologic remains ...
igneous rock
igneous rock

... • Rocks are made up of one or more minerals and have been formed by heat or pressure in the earth • 95% of the Earth’s crust is igneous rock and metamorphic rock • Sedimentary rock is less than 5% of the Earth’s crust but it covers 75% of the Earth’s continental surface ...
Unit Plan Sketch Part 1: Topic Content and Objectives
Unit Plan Sketch Part 1: Topic Content and Objectives

... Minerals are used every day in life. The pencil one writes with is the mineral graphite. The pretzels one eats are sprinkled with halite. Gold, silver, and diamonds are used in jewelry. Minerals are formed by natural processes and are inorganic solids with definite chemical compositions and orderly ...
Sedimentary Rocks…..Rock?
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... things have been broken apart by weathering. Wind, water, and ice break down rocks and minerals into smaller particles. In addition to particles of rock, sediment may be pieces of bone, shells, leaves, plants, bark, and other parts of living things. These pieces of sediment are what sedimentary rock ...
Sedimentary Rocks…..Rock?
Sedimentary Rocks…..Rock?

... things have been broken apart by weathering. Wind, water, and ice break down rocks and minerals into smaller particles. In addition to particles of rock, sediment may be pieces of bone, shells, leaves, plants, bark, and other parts of living things. These pieces of sediment are what sedimentary rock ...
met lab 1: introduction to metamorphic rocks
met lab 1: introduction to metamorphic rocks

... stone) and thin-section 7376 is quartzite (Baraboo Formation, WI). Examine each of these thin-sections and find areas where several quartz grains are in contact. Sketch these grain-contact textures below. ...
Minerals and Rocks
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... are by far the largest and most common mineral group, comprising 92% of Earth’s crust. Oxygen and silicon (Si) are the two most common elements in Earth’s crust and frequently combine together to form SiO2, which is called silica. Silicate minerals are compounds of oxygen and silicon that also inclu ...
Planet Earth Sheet
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... 6. Give two examples of each of the six crystal systems: A) _____________________: ____________________, _________________ B) _____________________: ____________________, _________________ C) _____________________: ____________________, _________________ D) _____________________: ___________________ ...
Bell work - Firelands Local Schools Home
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... • Rock formed from the compaction and cementation of sediments or from the precipitation of minerals in a solution. • Compaction – squeezing together • Cementation – gluing, sticking together ...
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Chapter 10 - Geology and the Gem Minerals
Chapter 10 - Geology and the Gem Minerals

... volatile-rich fluids may merely saturate the surrounding rock along mineral grain boundaries (i.e., contact metamorphism Figure 10-25). A granite pegmatite dike is a potential jewel box made up largely of coarse crystals of the final minerals to crystallize from a normal granite magma, i.e., alkali ...
Final Exam, Fall, 2015
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... 14. Felsic magmas typically produce plutonic rocks, rather than volcanic ones, because a. felsic magmas are formed deep in the mantle, and it's too far to the surface. b. felsic magmas only form in the crust, not in volcanoes. c. felsic magmas are much more viscous than mafic magmas. d. felsic magma ...
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... 1. fine-grained and mafic 2. fine-grained and felsic 3. coarse-grained and mafic 4. coarse-grained and felsic 31. Which mineral is commonly found in the three metamorphic rocks slate, schist and gneiss? 1. proxene 3. quartz 2. feldspar 4. mica 32. Which is an accurate statement about rocks? 1. Rocks ...
Volcanoes and Igneous Activity Earth - Chapter 4
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... – Dark silicates and calcium-rich feldspar – Termed mafic (magnesium and ferrum, for iron) in composition – Higher density than granitic rocks – Comprise the ocean floor and many volcanic islands ...
“Journey to the Center of the Earth” Reflection
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... 13. The birds glow because of bioluminescence. Give an example of something on earth with the same property. A. Night Light B. Centipede C. Fire Fly D. Inch Worm 14. They are in an air pocket surrounded by what? _______________________________ 15. What are they hoping will get them back up to the su ...
Geologic History Notes
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... Radioactivity is the spontaneous breaking apart (decay) of certain unstable atomic nuclei. Three common forms of radioactive decay are 1) emission of alpha particles from the nucleus, 2) emission of a beta particle (or electron) from the nucleus, and 3) capture of an electron by the nucleus. An unst ...
Chapter 4 Notes
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... 2. Intrusive Rock: igneous rock that formed beneath Earth’s surface a. Granite is the most common i. Forms the core of many mountain ranges ii. Texture 1. Rapidly cooling lava forms fine-grained igneous rock with small crystals 2. Slowly cooling magma forms coarse-grained rock with large crystals 3. ...
Volcanoes, Plutons, and Igneous Rocks Lab – Answer Sheet
Volcanoes, Plutons, and Igneous Rocks Lab – Answer Sheet

... 3. Determine where your minerals fit into Bowen’s reaction series. On the figure below, circle and label where mafic and felsic minerals are located. ...
Dangerous Areas - Rocks
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... Please take few minutes to look at the pictures attached which indicate areas where it is unsafe to row due to the presence of submerged rocks. Even when it is high tide, some rocks may be only a few cm under the water and can be dangerous. Pic 1 (general) and 2: • Rocks at the south of the bay head ...
Chapter 4 Section 1 Guided Reading
Chapter 4 Section 1 Guided Reading

... 5. One reason that weathering is important is because it breaks rock down into fragments, or ______________________, from which sedimentary rocks are made. 6. The process by which sediment is removed from its source is called ______________________. 7. During ______________________, sediment is depo ...
Lab 4 Igneous
Lab 4 Igneous

... earth’s surface. Igneous rocks formed at the earth’s surface will be made up of very tiny crystals, or may even be glassy; these are extrusive igneous rocks. Igneous rocks formed at some depth (plutonic rocks) will be coarse-grained; these are intrusive igneous rocks. Igneous rocks intruded at shall ...
4- Igneous Rock (Intrusive)
4- Igneous Rock (Intrusive)

... the magma proceeds, calcium-rich plagioclase reacts with the melt, and plagioclase containing proportionately more sodium crystallizes until all of the calcium and sodium are used up. In many cases, cooling is too rapid for a complete transformation from calcium-rich to sodium-rich plagioclase 10 oc ...
GEOL_2_mid_term_I
GEOL_2_mid_term_I

... (12) 1 pt. Which of the following best describes an aphanitic texture? A) The rock is crystalline; mineral grains are too small to be visible without a magnifying lens or microscope. B) The mineral grains have glassy textures. C) The rock consists of broken, volcanic-rock and mineral fragments. D) T ...
Bowen`s Reaction Series handout
Bowen`s Reaction Series handout

... is the upper part. Biotite, orthoclase feldspar and muscovite are the only minerals here that contain large amounts of potassium. These also have much higher silica contents than the minerals at the top of the series (e.g., pure olivine is about 38% SiO2, while pure orthoclase is 65% SiO2). It is th ...
Rocks: Mineral Mixtures
Rocks: Mineral Mixtures

... • Scientists study rocks by looking at the rock’s composition and texture. – Composition= what makes up the rock; describes either the minerals or other materials in the rock – Texture= the quality of a rock that is based on size, shape, and positions of the rock’s grains • Texture is described as f ...
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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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