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