Sep 18, 2019 metamorphic rocks are the third great class of rocks. Announcements look here during the semester for announcements concerning this course. They arise by the combined action of heat, burial pressure, differential stress, strain and fluids on preexisting rocks. Metamorphic rocks started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic form. Each rock group is further subdivided into subgroups that are defined by the mode of origin of the rocks. Mendevils physics and earth and space science class. Other common metamorphic rocks are called marble, gneiss. Associated with mountain belts affects very large areas.
Contact metamorphism caused by contact with extreme heat. Rocks are classified into three distinct groups igneous, sedimentary, and metamorphic and each is discussed in a separate section. These are not sedimentary layers but rather mineral crystals that have been flattened by metamorphism. Knowing the differences between these 3 types of rocks allows us to learn about earths past igneous rocks formation igneous rocks are formed by melting, cooling, and crystallization of other rocks.
Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Jan 16, 20 this website and its content is subject to our terms and conditions. Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means change in form. A link within the document will lead you to a pdf file geared for printing this list. Chapter 10 rocks 10d metamorphic rocks flashcards quizlet. Igneous or metamorphic rocks to sedimentary rocks as igneous rocks. Metamorphism and metamorphic rocks 1 metamorphism and metamorphic rocks. Embedded animations include crystallization of magma to form igneous rock, rock erosion to create sediment, transportation of sediment, deposition of sediment to create sedimentary rock, and creation of a metamorphic rock. This video discusses the formation of metamorphic rocks, one of the three major groups of rocks on earth and the bedrock under much of north america.
Metamorphism, mineralogical and structural adjustments of solid rocks to physical and chemical conditions differing from those under which the rocks originally formed. Metamorphic rocks were once sedimentary, igneous, or another metamorphic rock. Metamorphic facies defined and explained thoughtco. The rock cycle is how rocks develop their identifying characteristics such as crystals, grains and the type they are. Some of the pdf files are animations they contain more than one page that can be shown in sequence to.
In the very hot and pressured conditions deep inside the earths crust, both sedimentary and igneous rocks can be changed into metamorphic rock. One of the authors of this chapter remembers an animated conversation. Metamorphic rocks metamorphic rocks have been changed from a preexisting rock. Metamorphic rock, any rock that results from the alteration of preexisting rocks in response to changing conditions, such as variations in temperature, pressure, and mechanical stress, and the addition or subtraction of chemical components. A metamorphic rock is a result of a transformation of a preexisting rock. Metamorphic rocks started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic. The animation can be paused and rewound to stress important points. Sedimentary rocks hold important secrets about earths geological and evolutionary history and contain most of the fossil fuel deposits. The original rock is subjected to heat temperatures greater than 150 to 200 c and pressure 100 megapascals 1,000 bar or more, causing profound physical or chemical change.
Dec 12, 20 metamorphism and metamorphic rocks ppt 1. Start studying chapter 10 rocks 10d metamorphic rocks. Learn the differences between sedimentary, metamorphic and igneous rocks. Interactive rock cycle animation this cutaway view of earth shows where some common rockforming processes occur. Metamorphic rocks are rocks that have had their original structure changed by pressure. Metamorphic rocks are the rocks formed from other rocks. Just in case you forgot them over the last week, you can get a list by clicking here. Embedded animations will illustrate the path of a rock moving through the rock cycle. They are sedimentary or igneous rocks that have undergone changes as a result of extreme pressure and heat. This can greatly affect the hardness, texture or layer patterns of the rocks. Powerpoint lectures, chapter 25 metamorphic facies and mafic rocks 5. Changes in pressure or heat create metamorphic rock.
Metamorphic rocks are best identified when looking at the rock as you see them in nature. Regional metamorphism caused by extreme pressure and heat. Ppt metamorphism powerpoint presentation free to download. The name defines their formation whereby meta means change and morph means form.
These agents can act and interact in an almost infinite variety of ways. Metamorphic facies in general, metamorphic rocks do not drastically change chemical composition during metamorphism, except in the special case where metasomatism is involved. Sedimentary rocks formed by sediments like sand, clay and organic material being compressed. If not enough heat and temperature were applied another metamorphic rock could have been formed called phyllite, which is not as hard as slate however, if the shale was in an area that was exposed to higher pressures and moderate temperatures, it might have been transformed into schist. Register for free at deltastep is a social initiative by graduates of iimahmedabad, iimbang. A brief introduction to metamorphic rocks including a look. Each time the main animation stops, click the blinking feature to see a visualization. These would replace normal stone in entire regions of your world.
Regional metamorphic rocks what temperature and pressure ranges and type of tectonic setting you would find these rocks. Metamorphic definition and meaning collins english dictionary. Most metamorphic rocks occur in fold mountain belts or cratonic areas. Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq. Ppt sedimentary rocks powerpoint presentation free to. A free powerpoint ppt presentation displayed as a flash slide show on id. They occur when sedimentary and igneous rocks become changed, or metamorphosed, by conditions underground. Depending on conditions, a protolith can transform into any metamorphic rock.
What are the two main subtypes of metamorphic rocks. Changes produced by surface conditions such as compaction are usually excluded. One and two avi animations and perhaps a mov file you may need to insert. Metamorphic rocks are rocks that have become changed by intense heat or pressure while forming.
Unfoliated is a type of texture for metamorphic rocks. The preexisting rocks may be igneous, sedimentary, or other metamorphic rocks. This video provides an overview of metamorphic rock formation. Slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Metamorphic rock simple english wikipedia, the free. The clay in the shale could have been converted to mica, which gives schist its shiny look. Rocks that undergo a change to form a new rock are referred to as metamorphic rocks. Weathering and erosion running water or wind loosens and carries away the. In certain conditions these rocks cool and crystallize usually.
Regional associated with mountain buildings also known as dynamothermal produces both foliated and nonfoliated metamorphic rocks. The recrystallisation of minerals after heating generally causes the destruction of any fossils the rocks might have contained. This cutaway view of earth shows where some common rock forming processes occur. In certain conditions these rocks cool and crystallize usually into bands of crystals. Students add two or more interesting facts about metamorphic rocks.
The four main agents that metamorphose rocks are heat, pressure, fluids, and strain. An inset provides a close up of how pressure compresses mineral grains and forms new minerals. Lesson 1 formation of metamorphic rocks lesson 2 metamorphic rock classification chart lesson 3 metamorphic rocks lab lesson 4 the many facies of metamorphic rocks lesson 5. Learn how to distinguish between types of rocks and discover how rocks change over time.
Instructors are welcome to download and modifyuse them as they see it. As metamorphic rocks change under heat and pressure, their ingredients recombine into new minerals that are suited to the conditions. The flash animation shows the evolution of granitic igneous rock to a metamorphic rock focusing on changes in alignment of amphibole, plagioclase feldspar, and quartz crystals. As per wikipedia, metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means change in form. Can be used with mountain rock mesh mods such as one mountain by gamwich however, if the meshes are specially designed for their matching textures, the other textures may provide unexpected results like noticeable repeating patterns or wetoily look etc. A brief introduction to metamorphic rocks including a look at how they form as a result of exposure to intense heat andor pressure. Slate starts out as shale under the surface of the earth before its metamorphosis. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Find highquality stock photos that you wont find anywhere else. A metamorphic rock forms from a parent rock called a protolith.
The recently added granite, andesite and diorite are all igneous rock types. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Igneous rocks form when magma, molten rock, rises upward. Metamorphic rocks powerpoint k5 computer lab technology. Each of these will be discussed in turn, then we will summarize how metamorphic rocks are classified. This animation cleverly used jellybeans to represent sediment grains. Metamorphic rocks are made by either heating up or squashing the earths crust. Fossils can sometimes be found in it but they are often squashed. Magma metamorphic rock forming here heat pressure from surface rocks 4. The original rock is subjected to very high heat and pressure, which cause obvious physical andor chemical changes. Metamorphic rocks are the third great class of rocks.
Mar 27, 2017 as metamorphic rocks change under heat and pressure, their ingredients recombine into new minerals that are suited to the conditions. Buy educational insights metamorphic rock collection, ages 8 and up, set of 12 handpicked specimens in a storage tray. Examples of these rock types include marble, slate, gneiss, schist. The rock cycle helps us understand what conditions helped formed those rocks, which can tell us a lot about the history of a region. Metamorphism and metamorphic rocks rocks created by heat, pressure andor chemically reactive fluids metamorphic rocks are produced from igneous rocks sedimentary rocks other metamorphic rocks 2. These rocks are formed when igneous or sedimantory rocks. Rock cycle, exploring earth this highly simplified flash animation displays some of the most common rockforming processes. I animated the dispenser to occasionally have a sneaky look. Unfoliated rocks have no minerals that are alligned parallel to each other. The rock cycle is the neverending process that rocks pass through as they change type over and over as they are subjected to heat, pressure, weathering and erosion, which causes the developments. Since metamorphism usually involves long periods of geologic time, most metamorphic rocks represent an equilibrium mineral assemblage. Granite, limestone, marble, and sandstone are examples of kinds of rock. Sedimentary rock formation explained science struck.
Sedimentary and igneous rocks began as something other than rock. Students add two or mores images of interesting metamorphic rocks. Metamorphic rocks metamorphic rocks are formed by the effect of heat and pressure on existing rocks. Rock cycle, exploring earth this highly simplified flash animation displays some of the most common rock forming processes. The metamorphosis of metamorphic petrology university of calgary.
Matthew nyman, terc and lenni armstrong, informmotion. You can clearly see the deformation and features that are characteristic of an entire area. Yes, you will have to know the chemical formulae for the common minerals again this semester. Metamorphic rock is formed underground through a process that changes a rock s molecular structure due to pressure, heat and chemical reactions. Such rocks cover large areas of the earths crust and are therefore termed regional metamorphic rocks. Parent rock the original rock, temperature, pressure. The formation of sedimentary rocks, their types, and formation processes have been explained in this article. Rocks and minerals help scientists decipher things about past periods on our earth and other planets. Affordable and search from millions of royalty free images, photos and vectors. The rock cycle ks3 rock cycle processes deformation and metamorphism metamorphism regional metamorphism animation metamorphism animation accessibility. Terms in this set 20 how are metamorphic rocks formed.
These rocks are physically deformed and chemically changed due to. Even rocks, a seemingly constant substance, can change into a new type of rock. Other common metamorphic rocks are called marble, gneiss, schist. Search from 30 top metamorphic rock pictures and royaltyfree images from istock. Metamorphic rocks made by other rocks transforming under high heat or pressure. In minecraft, these generate in veins underground similar to ore. Slate was originally a black mud laid down on the bottom of the sea or lake. In the rock cycle, there are three different types of rocks. Each rock group includes hundreds of different kinds of. Ppt metamorphic rocks powerpoint presentation free to. Metamorphic rocks at skyrim nexus mods and community. Onegeology extra onegeology kids rocks and minerals. Metamorphic rocks started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic form metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineralrich fluids or, more commonly, some combination of these fa. Metamorphic rocks are used for roofing material, decorative gardening stone, the base for snooker tables, building material, sculpture material and paving material.
So we can say that metamorphic rocks are those rocks which have changed,they were originally sedimentary or. Low to high temperatures, high pressure, tectonic setting is where two plates are colliding. Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineralrich. Marble is a metamorphic rock formed from limestone. This is a quiz called metamorphic rock and was created by member lebert. Currently minecraft has three of these as mentioned before, but more could be added such as basalt, pumice, gabbro and rhyolite. Metamorphic rocks rocks that are formed by heat andor pressure but not completely melted introduce the notion of plate tectonics. The concept of metamorphic facies is a systematic way to look at the mineral assemblages in rocks and determine a potential range of pressure and temperature pt conditions that were present when they formed. Metamorphic rocks rocks that form from other preexisting rock sedimentary, igneous, or metamorphic that have been changed from high temperature andor high pressure a free powerpoint ppt presentation displayed as a flash slide show on id. Igneous rocks form as a result of volcanic activity, hot spots, and melting that. Classification of metamorphic rocks is based on mineral assemblage, texture, protolith, and bulk chemical composition of the rock. Mathscience nucleus 2001 1 metamorphic rocks teacher guide including lesson plans, student readers, and more information lesson 1 formation of metamorphic rocks lesson 2 metamorphic rock classification chart lesson 3 metamorphic rocks lab lesson 4 the many facies of metamorphic rocks lesson 5 michelangelo and marble designed to be used as an electronic textbook.
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