Igneous rock is a Latin word meaning fire; these rocks are formed from volcanic activity. This rock is one of three types of rock including sedimentary and metamorphic rock. Igneous rock is formed from the cooling and solidification of lava or magma. Igneous rock can be formed with our without crystallization‚ below the surface as intrusive rocks or on the surface as extrusive rocks. Volcanic rocks also known as extrusive igneous rocks include all the products resulting from volcanic eruptions of
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Igneous Textures Cooling rates influence igneous rock textures. Rapid cooling at the earth’s surface results in tiny mineral crystals that can only be seen under a microscope. The resulting extrusive igneous rocks have an aphanitic texture. Rocks that form as magma cools slowly underground (intrusive igneous rocks) develop phaneritic textures‚ in which individual mineral crystals can be seen without a microscope. Some igneous rocks exhibit visible crystals (phenocrysts) in a matrix of tiny
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Island. Lakes‚ ponds‚ streams‚ hiking trails‚ and roads are some of the many features that attract tourists. Nearly all the landforms in the Yosemite area are cut from a mass of intrusive igneous rock that formed below the surface of the earth. Some of the park’s landforms are metamorphosed volcanic and sedimentary rocks. Erosion that acted upon different types of uplift is responsible for creating the valleys‚ canyons‚ domes and other features found in this national park. Some of the popular features
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Identification of Metallic Ions Peter Jeschofnig‚ Ph.D. Version 42-0160-00-01 Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor. obseRvations
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Laboratory Exercise #5 Identification of Fungi Fungi‚ like bacteria‚ may be useful in industry but also problematic. Many produce important products including foods‚ chemicals‚ enzymes and pharmaceuticals such as antibiotics and hormones. Molds‚ however‚ in particular‚ are also common contaminants in industry. It is important to be able to recognize and identify them‚ therefore‚ in the laboratory. In today’s laboratory session you will examine some common molds and attempt to identify them.
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the following question: Relate the generation of all three rock types (igneous‚ sedimentary‚ and metamorphic) to plate tectonics. I will start first‚ with igneous rocks and how does it relate to plate tectonics. Second‚ with sedimentary rocks and progressively keep on answering how all three types of rocks relate to plate tectonics. Will be giving as much information I learned from class. To assure‚ answer is fully answered. The igneous process begins when magma forms by melting at depth‚ followed
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History of Rock Worksheet Write a 500- to 750-word explanation regarding the role of plate tectonics in the origin of igneous rocks. | Plate tectonics play a major role in the origin of igneous rocks. Igneous rocks are called fire rocks and are formed either| |underground or above ground. Underground‚ they are formed when the melted rock‚ called magma‚ deep within the earth becomes trapped| |in small pockets. As these pockets of magma cool slowly underground‚the magma becomes igneous rocks
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MATERIALS & LAB MATERIAL SAMPLE IDENTIFICATION LAB LAB #1 PREPARED BY: FOR: TERM: Spring 2014 SOUTHWEST TENNESSEE COMMUNITY COLLEGE TABLE OF CONTENTS Purpose 2 Equipment 3 Materials 4 Procedure 5 Data 6 Discussion & Conclusion 8 Appendix 10 PURPOSE To gain a knowledge of different types of metals by using simple methods for sorting and identification.
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Identification of Macromolecules Introduction The most common macromolecules found in living organisms are lipids‚ carbohydrates‚ proteins and nucleic acids. Briefly‚ the meaning of macromolecules is that they normally contain two or more molecules in them and their main functions are to store energy‚ information and much more. Most foods are known to be combinations of macromolecules. While some of these compounds can be detected by taste tests‚ many cannot. Scientists then use certain
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Lab Eight: Identification of HydrocarbonsWebGoogle+GmailDocsmore ▼ All DocsEdit Orgo Chem Lab 8 Lab Eight: Identification of Hydrocarbons Organic Chemistry 311 Abstract: Unknown hydrocarbon K was identified by using purification‚ determination of boiling point by using the capillary tube technique‚ the calculation of density and obtained refractive index value from the Abbe-3L refractometer. The density was not useful due to an error of the machine but the boiling point and refractive index
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