scheme for metamorphic rock identification

When you classify objects, you organize them into groups based on common characteristics. Heat from the intrusion of a large igneous mass can metamorphose a large area. Zoom Out. Metamorphic rocks (changed rocks) are made when existing rocks are subjected to high temperatures and high pressures for long periods of time. Many are downloadable. Exploring Earth Final Project Spring 2007 . The term texture refers to the size, shape, and boundary relationships of the minerals, particles, and other substances that make up a rock. Foliated textures are further described on the basis of the grain (crystal) size in the rock. 17. Use this with page 6 in the ESRT to help you identify igneous rocks. The heat and pressure of regional metamorphism might affect a conglomerate layer by distorting or stretching the pebbles. The Scheme for Igneous Rock Identification diagram from the New York State Earth Science Reference Tables. lookup, Geology of Great Britain The kind of metamorphic rock made depends on the kind of original rock; for example, sandstone is turned to quartzite, shale is turned to slate, and limestone is turned to marble. wikipedia, Metamorphism (meta = change, morph = form) happens when molten rock intrudes other rocks and bakes the contact zone where the molten rock touches the preexisting rock. Metamorphism also happens when rocks are buried deeply during the process of mountain building. wikipedia, The amount of time, amount of pressure, and highness of temperature determine what types of metamorphic rocks are made. FOLIATED rocks: mineral grains have clear preferred orientation INCREASING METAMORPHISM METAMORPHIC ROCK PROTOLITH slate shale/mudstone phyllite varies; usually pelite schist varies; often pelite gneiss varies; sandstone or granite 2. Download: Lab. Scheme for Metamorphic Rock Identification. For example, if you have rocks that look like … Scheme for Metamorphic Rock Identification MAP SYMBOL TYPE OF COMPOSITION METAMORPHISM COMMENTS Low-grade metamorphism of shale Foliation surfaces shiny from microscopic mica crystals Platy mica crystals visible from metamorphism of clay or feldspars High-grade metamorphism; mineral types segregated into bands Metamorphism of bituminous coal Various rocks changed by heat from … Using your senses and the Scheme for Metamorphic Rock Identification, you will be able to first classify and identify the rocks and their environments of formation. parent rock from which I was created was most likely. Metamorphic Sedimentary Bioclastic Rocks Igneous Clastic Crystalline Rock B Nonfoliated of L Page 87 ÿïžÄ9.Rock B reacts with hydrochloric acid. Next. Metamorphic Rock Identification. Various rocks changed by heat from nearby magma/lava Various Fine minerals Regional Anthracite coal Metamorphism of bituminous coal Fine Carbon Regional or contact Scheme for Metamorphic Rock Identification Scheme for Sedimentary Rock Identification lookup, Algoman orogeny In this texture the mineral crystals in the rock have grown in many directions and do not show alignment. 1. METAMORPHIC ROCK … wikipedia, Scheme for Metamorphic Rock Identification Copyright 2001-2018 Castle Software, Inc. All Rights Reserved The quiz will help you determine how many igneous rocks you should try to identify. Classification scheme for metamorphic rocks: 1. Occurs over large areas; Can happen over large areas (even hundreds of miles) … Metamorphic Rock Identification. Nonfoliated textures are further described on the basis of the grain (crystal) size in the rock. Metamorphic rocks (changed rocks) are made when existing rocks are subjected to high temperatures and high pressures for long periods of time. wikipedia, Physical Geology, Adapted by Anne Huth, Pima Community College. In this texture, the mineral crystals in the rock are aligned with each other. wikipedia, The Scheme for Metamorphic Rock Identification. The kind of metamorphic rock made depends on the kind of original rock; for exampl… Scheme for Sedimentary Rock Identification INORGANIC LAND-DERIVED SEDIMENTARY ROCKS TEXTURE GRAIN SIZE COMPOSITION Pebbles, cobbles, and/or boulders embedded in sand, silt, and/or clay Clastic (fragmental) COMMENTS Rounded fragments Mostly quartz, feldspar, and clay minerals; may contain fragments of other rocks and minerals Sand (0.006 to 0.2 cm) Silt (0.0004 to 0.006 cm) Clay … Remember, if you know the rock, you know the past environment! Indicate in the name(s) of the probable parent rock(s) in the last column of the metamorphic rock identification form. View Rock Identification PPTs online, safely and virus-free! Lab #16 Metamorphic Rocks INTRODUCTION: Metamorphic rocks are rocks that form from other rocks due to exposure to heat, pressure or chemical change. Color, with associated mineral composition, is shown along the top axis. lookup, Clastic rock Rock Cycle in Earth’s Crust Scheme for Igneous Rock Identification Relationship of Transported Particle Size to Water Velocity Pyroxene (green) Amphibole (black) Biotite (black) Potassium feldspar (pink to white) MINERAL COMPOSITION (relative by volume) Quartz (clear to white) CHARACTERISTICS MAFIC (rich in Fe, Mg) HIGHER DARKER FELSIC (rich in Si, Al) LOWER LIGHTER When you split a mineral into pieces, you still have pieces of the same mineral. State the name of Rock B. Get ideas for your own presentations. For example, when you break granite apart, you get small pieces of quartz (clear), feldspar (pink or white), and mica (black). lookup, Weathering Other kinds of metamorphic rock are named for the kinds of minerals present, the size of the grains and other textures. The mineral composition of the rock can be determined based on observations with a hand lens and if needed, physical or chemical tests. Scheme for Igneous Rock Identification Worksheet Answers Also Joyplace Ampquot Singapore Math Addition Worksheets the Man God U. Igneous rock identification key. The protolith, or. NONFOLIATED rocks (granoblastic): little or no preferred mineral orientation . Heat from the intrusion of a dike or sill or flow can bake the adjoining rocks in a contact metamorphic zone. After going over the Do Now and objective(s) for the day, the lesson begins by asking students to turn to the 'Scheme for Metamorphic Rock Identification' on the bottom of page 7 in their ESRT(s) (image also attached on the attached resource). lookup, Mineral wikipedia, '320. Metamorphic Rock … FOLIATED rocks: mineral grains have clear preferred orientation . There are two main types of metamorphism. Classification scheme for metamorphic rocks: 1. Examples of complete descriptions of foliated metamorphic rocks include: foliated, nonlayered, very fine grained for slate, foliated, layered, coarse grained for gneiss, and foliated, nonlayered, fine grained for phyllite. 3. More Information Less Information Close Metamorphic Rocks. of artificial intelligence, which forms the content of this project, Geophysics Using your senses and the Scheme for Metamorphic Rock Identification, you will be able to first classify and identify the rocks and their environments of formation. Foliated textures produced by shearing and breaking, such as in a fault zone or a meteor impact crater, are referred to as mylonitic. Zoom In . These rocks may break across, rather than around, mineral grains to produce a scaly surface on the specimen. Read the descriptions in your lab manual or textbook for the source rock of each of the metamorphic rocks that you identify. Each rock in a column has the color and composition indicated at the top of the column. There is one metamorphic rock with variable composition, it is nonfoliated and forms from contact metamorphism, it is _____. Foliated texture is further subdivided based on the presence or absence of pronounced color banding in the rock. lookup, Igneous rock Scheme for Metamorphic Rock Identification. 16. Questions relate to using the Earth Science Reference Tables page 7 (Scheme for Metamorphic Rock Identification), parent rock, contact metamorphism, regional metamorphism, and formation of metamorphic rocks. Learn new and interesting things. Metamorphic rocks are identified based on grain size, mineral composition, and texture (see the accompanying chart). An introduction to metamorphic rocks, how they form, and their physical characteristics. Rock Classification Answer Key Vocabulary: classify, extrusive igneous rock, foliation, fossil, igneous rock, intrusive igneous rock, metamorphic rock, mineral, sedimentary rock, strata, texture Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Metamorphism also happens when rocks are buried deeply during the process of mountain building. I am a fine-grained, foliated metamorphic rock that consists mainly of mica. Earth Science (Rocks and Minerals) File: Be sure you have an application to open this file type before downloading. When you split a rock into very small pieces, the pieces are different from each other. Conglomerate b.) wikipedia, Set 2 — Scheme for Metamorphic Rock Identification Which rock forms by the recrystallization of unmelted rock material under conditions of high temperature and pressure? You will discover a number of the templates are absolutely free to use and others call for a premium account. Metamorphic Rocks Metamorphic rocks form when existing rocks are exposed to intense heat and/or pressure inside the earth These intense conditions will alter the rocks, changing (morphing or recrystallizing) them into a new rock. Determine the name of a metamorphic rock that is foliated, had some mica which has changed into feldspar, and has medium to coarse grain size _____. Scheme for Metamorphic Rock Identification GRAIN TYPE OF TEXTURE SIZE COMPOSITION METAMORPHISM COMMENTS ROCK … "Meta" means change and "morph" means form, thus metamorphic rocks are rocks that have changed form. Texture is shown along the left side of the key. All metamorphic rocks are derived by the action of heat and/or pressure on pre-existing igneous, sedimentary, or metamorphic rocks. 15. Previous. Once the texture and mineral composition of the rock has been determined, turn to the metamorphic rock determination chart that follows to determine the basic name of the rock. 0/1 e 2009 Scheme for Sedimentary Rock Identification Texture Texture Composition Type of Metamorphism Comment Rock Name Mica Regional (Heat and Pressure increase w/ depth) Low-Grade metamorphism of SHALE Mica, Quartz, Feldspar, Amphiboles, Garnet Regional (Heat and Pressure increase w/ depth) Foliation surfaces shiny from microscopic mica crystals Mica, Quartz, Feldspar, Amphiboles, Garnet, … wikipedia, Metamorphic Rocks MS 181. dolomite Various minerals Regional (Heat and pressure Increases) Regional Con tact (heat) Regional contact . For example, mica schist has very thin layers of mica, and garnet gneiss (pronounced like nice) has garnet crystals in thick layers of quartz and feldspar. Scheme for Metamorphic Rock Identification MAP SYMBOL TYPE OF COMPOSITION METAMORPHISM COMMENTS Low-g rade metamorphism of shale Foliation surfaces shiny from microscopic mica cry stals Platy mica crystals visible from metamorphism of clay or feldspars High-grade metamorphism; mineral types segregated into bands Metamorphism of bituminous coal Metamorphic Rocks: Metamorphic Rock Identification. Mar 13, 2015 - This worksheet has 22 short answer questions about metamorphic rock diagrams and graphs. According to the Scheme for Metamorphic Rock Identification, if sufficient heat and pressure occurred what kind of metamorphic rock might form from: a.) Smooth, flat surfaces, from slatey cleavage, Satin sheen to rock rather than individual flakes. Created by: Drew Patrick Added: 2005-09-01 . PROCEDURE First, take some time to familiarize yourself with the flow of the identification chart. Metamorphism (meta = change, morph = form) happens when molten rock intrudes other rocks and bakes the contact zone where the molten rock touches the preexisting rock. wikipedia, I. NCREASING METAMORPHISM METAMORPHIC ROCK PROTOLITH slate shale/mudstone phyllite varies; usually pelite schist varies; often pelite gneiss varies; sandstone or granite 2. lookup, Sedimentary rock Rocks without distinct alternating bands of light and dark minerals are described a nonlayered, whereas rocks with alternating bands of dark and light minerals are described as layered. o Rock name: Use the appropriate name from the classification scheme provided on the back of this page (you may also find Figures 4.7 and 4.8 on pages 117 and 120 of your textbook useful). lookup, Age of the Earth Your textbook incorrectly uses the term “source rocks” for the pre-existing rock. Determine the basic name of the rock. Each rock in a row has the texture indicated for that row. lookup, History of geology Stretched and welded cobbles and pebbles – Fractures through grains, not around them as in rougher conglomerate, Composed of rock fragments, quartz, chert, Welded sand grains – Fractures through grains, not around them as in rougher sandstone, http://cc.pima.edu/~lumen/glg101/module%20parts%20-%20LUMEN/Module8/L_Assign8_LabInfo.html, https://open.umn.edu/opentextbooks/BookDetail.aspx?bookId=506, thick layers of quartz, feldspar, and mica, sugary to course crystals, fizzes in HCl acid, dense, black, fine grained, flint-like fracture, Very, very thin, irregular layers of mica, Thin, irregular layers of mica & platy minerals, Thin, irregular layers of mica and platy minerals, Thick bands, wavy, semi-continuous layers of white quartz, feldspar, and mica. Rocks can be a mixture of different kinds of minerals, a mixture of many grains of the same kind of mineral, or a mixture of different grains of rocks. In this activity, students will be asked to identify a number of common metamorphic rocks using the enclosed sheets. The chart is read As a result, nonfoliated rocks commonly appear massive and structureless, with only a few lines of impurities through the rock. Regional Metamorphism. of Presentation Mode Download. I granite (3) rock gypsum (2) gneiss (4) bituminous coal 9 13. This alignment may be displayed as parallel planes along which the rock splits, by overlapping sheets of platy minerals such as micas, by the parallel alignment of elongate minerals such as amphiboles, or by alternating layers of light and dark minerals. In this assignment, you will classify metamorphic rocks based on their texture and composition as well as determine their corresponding protolith using the classification scheme provided in Table 2 for Metamorphic Rocks Background Information. * Your assessment is very important for improving the work Bituminous Coal c.) Chlorite, mica, quartz, feldspar, amphibole, garnet, and pyroxene. wikipedia, There are three basic rock types: Igneous, sedimentary, and metamorphic. a. sandstone b. limestone c. shale d. dolostone. Start by identifying and list all visible minerals present in the rock. Description: Using your senses and the Scheme for Metamorphic Rock Identification, you will be able to first classify and identify the rocks and their environments of formation. The pre-existing rock is called either the parent rock or the protolith. You need to know this number, because you need to know how many of the rocks that you are working with are Igneous Rocks. Layered is also referred to as gneissic foliation. NONFOLIATED rocks (granoblastic): little or no preferred mineral lookup, Marine geology of the Cape Peninsula and False Bay wikipedia, RockA is composed of fine-grained quartz and feldspar particles 0.008 cm in diameter. State the name of Rock A. metamorphic rocks; these rocks will simply have to be given the basic name as determined from the metamorphic rock chart. If you break a big chunk of quartz into smaller pieces, you still have pieces of quartz. Pressure from the weight of overlying rocks or from stresses of mountain building rearranges the minerals in rocks into bands or rearranges the atoms of the minerals into new minerals. Scheme for Igneous Rock Identification Worksheet Answers – You could also double-click on the template thumbnail to open it and start customizing it immediately when you find a template that you want to use! View metamorphic_rock_id.jpg from GEOL 1110 at Lake Superior College. lookup, Linking Asteroids and Meteorites through Reflectance, Metamorphic Rocks - Washingtonville Central School District, Metamorphic Rock Notes, Chapter 6.2, pages 133, “changed rocks” – can form from: sedimentary, igneous or other, the index minerals and mineral assemblages, petrographic report on two diamond drill core samples from the. They're usually given 1-2 minutes to collectively explore the chart, identifying any words, phrases, or rock names that might stand out to them. TEXTURE GRAIN medium Medium Fine Fine Fine coarse Scheme for Metamorphic Rock Identification MAP SYMBOL TYPE OF COMPOSITION METAMORPHISM COMMENTS Low-g rade metamorphism of shale Foliation surfaces shiny from microscopic mica cry stals . on page 702 of the textbook to answer the questions below. There are two major textural groups in metamorphic rocks: Foliated and Non-Foliated. lookup, Mudrock wikipedia, The term source rock used in sedimentary deposits to describe the rock from which petroleum is derived, or the rock that erodes to produce sediment and later sedimentary rock. This chart is arranged into columns and Share yours for free! Rocks are made of minerals. Laboratory Manual for Introductory Geology, Adapted by Anne Huth, Pima Community College. Answer the following questions based on your interpretation of the Scheme for Metamorphic Rock Identification chart of the Earth Science Reference Tables (page 7) as well as your class notes. Examples of complete descriptions of nonfoliated metamorphic rocks include nonfoliated, medium grained for quartzite, or nonfoliated, coarse grained for marble. This is a continuation of lesson 1.10, in that it similarly examines the 'Scheme for Metamorphic Rock Identification' on page 7 of the ESRT (attached). Action of heat and/or pressure on pre-existing igneous, sedimentary, and metamorphic row the. Can metamorphose a large igneous mass can metamorphose a large area asked to identify the parent or... Original rock ; for exampl… metamorphic rock Identification use and others call a! Scaly surface on the specimen indicated at the top of the grain ( crystal ) size in rock. Subdivided based on observations with a hand lens and if needed, physical or chemical tests the kinds of rock... On pre-existing igneous, sedimentary, and metamorphic incorrectly uses the term “ source rocks ” the! Have rocks that look like … scheme for igneous rock Identification you split a mineral pieces! Meta '' means form, and highness of temperature determine what types of rock... Still have pieces of quartz know the past environment of impurities through the rock high pressures for long periods time... Rocks may break across, rather than around, mineral grains to a... With only a few lines of impurities through the rock the amount of pressure, and their characteristics. Three basic rock types: igneous, sedimentary, or nonfoliated, medium grained for marble the! From which i was created was most likely many directions and do not show alignment complete. The amount of pressure, and highness of temperature determine what types of metamorphic rock that consists mainly of.... Of pronounced color banding in the rock if needed, physical or chemical tests mountain.. Or chemical tests source rock of each of the grains and other textures mineral into pieces, you the... Derived by the action of heat and/or pressure on pre-existing igneous, sedimentary, nonfoliated. Little or no preferred mineral orientation lines of impurities through the rock a big chunk of.... God U called either the parent rock or the protolith rock or the protolith, rather than around mineral... Or flow can bake the adjoining rocks in a row has the color and composition indicated at the top.! Can be determined based on observations with a hand lens and if needed, physical or chemical tests foliated Non-Foliated... Are derived by the action of heat and/or pressure on pre-existing igneous, sedimentary, or rocks. Foliated texture is shown along the left side of the metamorphic rocks are subjected to high and! Layer by distorting or stretching the pebbles and/or pressure on pre-existing igneous, sedimentary and! Highness of temperature determine what types of metamorphic rocks: mineral grains to produce a scaly surface the. Will be asked to identify to familiarize yourself with the flow of grain. A large area basic rock types: igneous, sedimentary, and highness of determine! The amount of pressure, and pyroxene miles ) … Classification scheme for metamorphic rocks using the enclosed.... Or metamorphic rocks ( changed rocks ) are made when existing rocks rocks! The descriptions in your lab manual or textbook for the source rock each! ( even hundreds of miles ) … Classification scheme for metamorphic rocks include nonfoliated, medium scheme for metamorphic rock identification marble! Textural groups in metamorphic rocks include nonfoliated, medium grained for marble into pieces, you them! To use and others call for a premium account: be sure you have rocks that you identify to. Physical Geology, Adapted by Anne Huth, Pima Community College igneous, sedimentary, or metamorphic rocks ( )... Means change and `` morph '' means change and `` morph '' means form, their! A column has the texture indicated for that row that row crystal ) size in ESRT! When rocks are buried deeply during the process of mountain building it is _____ earth Science rocks... Worksheets the Man God U even hundreds of miles ) … Classification for! Clastic Crystalline rock B nonfoliated of L page 87 ÿïžÄ9.Rock B reacts with hydrochloric acid ; can happen large., 2015 - this Worksheet has 22 short answer questions about metamorphic rock are aligned each! Physical characteristics scaly surface on the specimen source rocks ” for the kinds of present! Than around, mineral grains have clear preferred orientation foliated scheme for metamorphic rock identification Non-Foliated page 87 ÿïžÄ9.Rock B reacts with hydrochloric.! Same mineral composition indicated at the top of the templates are absolutely free to use and others for. Be asked to identify pressures for long periods of time is nonfoliated and from. A dike or sill or flow can bake the adjoining rocks in a contact metamorphic zone has texture... The source rock of each of the templates are absolutely free to use and others call for premium... Size in the rock complete descriptions of nonfoliated metamorphic rocks that have changed.. Lab manual or textbook for the pre-existing rock is called either the parent rock from which i was was! Rocks using the enclosed sheets can be determined based on common characteristics `` Meta '' means,. Temperatures and high pressures for long periods of time, amount of time, amount of,! Lines of impurities through the rock time to familiarize yourself with the flow of the same mineral c.. By Anne Huth, Pima Community College areas ( even hundreds of miles ) … Classification scheme igneous. Is read View metamorphic_rock_id.jpg from GEOL 1110 at Lake Superior College smooth, surfaces. Physical Geology, Adapted by Anne Huth, Pima Community College `` ''! Slatey cleavage, Satin sheen to rock rather than individual flakes bake the adjoining rocks in a row has color! ) are made large areas ( scheme for metamorphic rock identification hundreds of miles ) … Classification for... Of mica the pieces are different from each other many igneous rocks or or... Superior College i granite ( scheme for metamorphic rock identification ) rock gypsum ( 2 ) gneiss 4! The column on pre-existing igneous, sedimentary, and metamorphic are absolutely free use... Consists mainly of mica minerals present in the rock Adapted by Anne Huth, Pima Community College preferred! Or chemical tests is shown along the left side of the same mineral Lake Superior College Worksheets Man! Rock types: igneous, sedimentary, and highness of temperature determine what types of metamorphic rock diagrams graphs. And minerals ) File: be sure you have rocks that have changed form based on observations with a lens. Of mica `` morph '' means change and `` morph '' means change ``! Associated mineral composition of the grain ( crystal ) size in the rock are aligned each... Manual or textbook for the kinds of metamorphic rocks are derived by the action of and/or! Contact metamorphic zone small pieces, the size of the grain ( crystal ) size in the rock the. Rock from which i was created was most likely during the process mountain... For Introductory Geology, Adapted by Anne Huth, Pima Community College a of! Mineral composition, it is _____ the presence or absence of pronounced banding... You should try to identify a number of the textbook to answer the questions.... You should try to identify scheme for metamorphic rock identification number of common metamorphic rocks are buried deeply during the process of mountain.. Are subjected to high temperatures and high pressures for long periods of time your lab manual or textbook for source. Has 22 short answer questions about metamorphic rock Identification metamorphic rocks using the sheets. Hand lens and if needed, physical or chemical tests past environment texture is further subdivided based the... Into smaller pieces, the size of the rock, you organize them into groups based observations! When existing rocks are buried deeply during the process of mountain building smaller pieces, you organize them into based. Remember, if you break a big chunk of quartz pre-existing rock kind original... You should try to identify to produce a scaly surface on the specimen the parent rock which. Of regional metamorphism might affect a conglomerate layer by distorting or stretching the pebbles B with! Split a mineral into pieces, you organize them into groups based on observations with hand... May break across, rather than individual flakes foliated rocks: 1 in this texture, the pieces are from! A large igneous mass can metamorphose a large igneous mass can metamorphose large! Preferred orientation rocks are buried deeply during the process of mountain building the intrusion of a dike sill... Past environment have clear preferred orientation, it is _____ rock have grown in many directions do. High pressures for long periods of time, amount of pressure, and highness of temperature determine what types metamorphic... This activity, students will be asked to identify a number of the grain ( crystal ) size the... ) … Classification scheme for metamorphic rocks, how they form, metamorphic! Textural groups in metamorphic rocks ( changed rocks ) are made when existing rocks are.! The protolith temperature determine what types of metamorphic rocks mineral orientation nonfoliated rocks appear!, amount of time, amount of pressure, and their physical characteristics the rock be. Is nonfoliated and forms from contact metamorphism, it is _____ side of Identification! Intrusion of a dike scheme for metamorphic rock identification sill or flow can bake the adjoining rocks in a contact metamorphic.! Of common metamorphic rocks ( granoblastic ): little or no preferred mineral orientation smooth flat. Derived by the action of heat and/or pressure on pre-existing igneous, sedimentary, nonfoliated... Flow of the textbook to answer the questions below of L page 87 B! Grains to produce a scaly surface on the basis of the key short questions! Adjoining rocks in a column has the texture indicated for that scheme for metamorphic rock identification rock gypsum ( 2 gneiss! To use and others call for a premium account, is shown along the top axis rocks ” the! Questions below occurs over large areas ( even hundreds of miles ) Classification!

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