importance of rock cycle brainly

rock called igneous rocks. (3) Precious minerals are mined from rocks. Inside Earth, heat, pressure, and melting change sedimentary and igneous rock into metamorphic rock. Pumice stones are put into giant washing machines with new jeans and tumbled around. How does the rock cycle benefit humans? Any interactives on this page can only be played while you are visiting our website. Video advice: Why Is the Rock Cycle Important? What is the usefulness of rocks and minerals to us? All rocks are made up of minerals. Why is water important to the rock cycle? They also record the history of earth and help to increase our understanding of geology. So How Exactly Does Plate Tectonics Modify the Rock Cycle? The rock becomes a metamorphic rock. inside the earth, solidifies due to cooling and crystallizes to form a type of National Geographic Society is a 501 (c)(3) organization. It can erode into sediment or melt into magma. This happens because when magma erupts into lava, it cools more quickly than it would if it stayed inside the earth, giving crystals less time to form. The next pages will show you the rock cycle along with the experiment conducted to demonstrate that theres a scientific basis towards the rock cycle thesis. Your email address will not be published. The rock cycle is predictable and provides insight into the probable locations of energy sources. (4)) Rocks like marble and gemstones when polished are used for decorative purposes and as jewelry. Other natural and chemical factors required in an ecosystem are rocks, soil and minerals. 1-5 crossword puzzle. The rock cycle moves at exceedingly slow rates that are very hard to detect on the scale of a human lifetime. The rock cycle is an essential geological model that depicts the unique changes that rock undergoes during a set time period. It acts as a recycling procedure in nature and maintains the flow of minerals. What is the rock cycle and why is it important quizlet? Why are sedimentary rocks important in paleontology? Igneous, sedimentary, and Biogeochemical cycles helps in efficient recycling of useful mineral like nitrogen, phosphorous, carbon though physical and biological means. Rocks have a broad range of uses that makes them significantly important to human life. However, the word "metamorphosis" is a broad term that indicates a change from one thing to another. The existing rock must be exposed to high heat, high pressure, or to a hot, mineral-rich fluid. Foliation is the aligning of elongated or platy minerals, like hornblende or mica, perpendicular to the direction of pressure that is applied. They also record the history of earth and help to increase our understanding of geology. Magma is created when rocks are melted. The new conditions cause the structure of the rock to change and new minerals to grow in place of the original minerals. Analogous to recycling a Coke can, where an old can will be used to produce a new can, the rock cycle is ever changing the rocks and minerals that make up Earth. The rock cycle is predictable and provides insight into the probable locations of energy sources. the process by which one rock type changes into another; between igneous, sedimentary, and metamorphic rocks. The term metamorphosis is most often used in reference to the process of a caterpillar changing into a butterfly. in table form, class 7 tracing changes through a thousand years short notes. Hot lava cools down to form igneous rocks. Rocks, sediments and soils form the land on which we live and on which the plants and animals of Scotlands ecosystems thrive. For instance rocks are used in construction for manufacturing substances and making medicine and for the production of gas. The concept of the rock cycle was first suggested by James Hutton, the 18th-century founder of moderngeology. The gases released from volcanoes can become sulfuric acid droplets that screen out sunlight. Sediments are created when rocks are uplifted, weathered and eroded, and also the resulting detrital material deposited in marine or terrestrial basins. All other trademarks and copyrights are the property of their respective owners. The most important geological processes that lead to the creation of sedimentary rocks are erosion, weathering, dissolution, precipitation, and lithification. . Some human activities, such as burning of fossil fuels and deforestation, increase atmospheric \text {CO}_2 CO2 and affect Earth's climate and oceans. (A) It can erode and help form rocks. sedimentary and igneous rocks end up being buried deep underground the soil, Analogous to recycling a Coke can, where an old can will be used to produce a new can, the rock cycle is ever changing the rocks and minerals that make up Earth. Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. Its life-giving properties are powered by great convection currents in the mantle causing crustal movements (plate tectonics . describes metamorphic rocks whose grains are arranged in parallel layers or bands. Plants require these elements in order to survive and plants are needed for other organisms to survive. Why are the water and rock cycles important? An example of this would be pumice. Through the process of erosion, these fragments are removed from their source and transported by wind, water, ice, or biological activity to a new location. For example, slate and marble are building materials, garnets are used as gemstones and abrasives, talc is used in cosmetics, paints, and lubricants, and asbestos is used for insulation and fireproofing. How biogeochemical cycle are rock cycle are important? a type of rock that forms from the cooling of molten rock (magma & lava) at or below Earths surface. occurs when magma moves into rock. Our world is constantly changing. Magma, the molten rock present deep Why is the Rock Cycle Important Helping in the formation of soil thus sustaining every life forms on earth Forming life-sustaining minerals such as sodium, iron, potassium, and calcium into the biosphere Forming the energy reserves of the earth like fossil fuels and radioactive sources The continuous change of rocks from one form to another. The rock cycle is predictable and provides insight into the probable locations of energy sources. these rocks are exposed to high heat and pressure, which change them into a For example= fossil fuels are found in sedimentary environments while radioactive elements are nuclear energy(uranium) may be found in igneous or sedimentary environments. The Rock Cycle is Earths great recycling process where igneous, metamorphic, and sedimentary rocks can all be derived from and form one another. Why does the speed of Earth's revolution vary?, find out what forms of government exist in India's neighbouring countries, "What are the main causes and consequences of deforestation? Igneous rock is the primary rock which is formed by cooling of magma. What are the two most important driving forces of metamorphism? Why is runoff important in the water cycle? 1. Required fields are marked *. When granite is subjected to intense heat and pressure, it changes into a metamorphic rock called gneiss. Rock cycle The ocean continually batters the edge of the land, eroding it, breaking down the rock and transporting it out to sea. Magma rises towards the Earths surface because it is heated by the Earths heat. Because our world changes, it is important for our planet to have the rock cycle. Each of these rocks are formed by physical changessuch as melting, cooling, eroding, compacting, or deforming that are part of the rock cycle. It is occurring continuously in nature through geologic time. However, the rock cycle has contributed to all our mineral resources (eg. which events are part of the carbon cycle?. They provide a great many of the raw resources for things we use in our everyday lives. National Geographic Society is a 501 (c)(3) organization. Formation of Soil Earths surface is in a slow but continual state of recycling, which ultimately creates soil (the substance in which plants thrive). Although metamorphic rocks typically form deep in the planets crust, they are often exposed on the surface of the Earth. With time, the Earths crust has been altered, reformed and eroded to form igneous, sedimentary and metamorphic rocks. You cannot download interactives. Why are fossils found in sedimentary rocks? How does sedimentary rock help scientists learn about the Earths past? When a rock with flat or elongated minerals is put under immense pressure, the minerals line up in layers, creating foliation. Text on this page is printable and can be used according to our Terms of Service. Why should humans care about the rock cycle? All rocks are made up of minerals. Formation of Soil The rock cycle is the continuous succession of rock formation, erosion and reformation. A chemical precipitate is a chemical compoundfor instance, calcium carbonate, salt, and silicathat forms when the solution it is dissolved in, usually water, evaporates and leaves the compound behind. What is the rock cycle Brainly? There are three main kinds of rocks: igneous rock, metamorphic rock, and sedimentary rock. an idealized cycle of processes undergone by rocks in the earths crust, involving igneous intrusion, uplift, erosion, transportation, deposition as sedimentary rock, metamorphism, remelting, and further igneous intrusion. They have a coarse texture with large mineral grains, indicating that they spent thousands or millions of years cooling down inside the earth, a time course that allowed large mineral crystals to grow.Alternatively, rocks like basalt and obsidian have very small grains and a relatively fine texture. What causes rocks to move and how does that movement relate to the rock cycle? Quick Answer: Why Rock Cycle Is Important, Quick Answer: Why Is Rock Cycle Important, Quick Answer: Why The Rock Cycle Is Important, Quick Answer: Why Is Chimney Rock Important, Why Is The Rock Cycle Important To Canada, Question: Why Is The Rock Cycle Important To Life, Question: Why Is The Rock Cycle Important To Earth, Quick Answer: Why Is The Rock Cycle So Important To Canada, Why Is The Rock Cycle Important To Human Life, Quick Answer: Can Rocks Melt During The Rock Cycle, How Are Metamorphic Rocks Formed Rock Cycle. Why is the geologic time scale important? Why is evaporation an important part of the water cycle? What do you mean by rock cycle for Class 7? What is required for an igneous rock to weather? Could it be correct that nanotechnology exists within the coronavirus vaccines? The rock cycle is an important aspect of our dynamic Earth because it enables rocks to change to different types of rock depending on their location. In this section we will learn about the rock cycle and the different types of rocks. If there is too much heat or pressure, the rock will melt and become magma. The rock cycle is a process in which rocks are continuously transformed between the three rock types igneous, sedimentary and metamorphic. Deep below the surface, What is the importance of the rock cycle to the earth's system rock cycle in biogeochemical cycle )? Why are the oceans important to the water cycle? It affects the carbon, nitrogen, and water cycles, generally beneficially. The Rock Cycle is Earth's great recycling process where igneous, metamorphic, and sedimentary rocks can all be derived from and form one another. Do you know the challenges to be innovative? When you reach out to him or her, you will need the page title, URL, and the date you accessed the resource. Cementation is the process in which sediments are glued together by minerals that are deposited by water. Why is the hydrologic cycle an important process for earth? the surface of the earth or rapidly at its surface. Its life-giving properties are powered by great convection currents in the mantle causing crustal movements (plate tectonics) that form continents, mountain ranges and ocean basins. The most important driving forces are heat from the interior of the Earth in the sense that it causes plate tectonics to operate, leading to metamorphism, deep burial of rocks, melting of rocks, and in other places, uplift or rocks and solar energy, which powers the surficial processes of weathering and transport . Melting of underground metamorphic rock forms magma, which on crystallization forms igneous rock, thus continuing the cycle. The rock cycle is the continuous succession of rock formation, erosion and reformation. During the carriage of The Rights Holder for media is the person or group credited. What is weathering in the rock cycle? Advertisement Advertisement New questions in Geography. What is rock cycle and what is its importance? Why is coal a biochemical sedimentary rock? Weathering and erosion, transport and deposition would all effectively stop. I think its time to get to the bottom of this once and for all! gold, zinc, copper, etc) and our fossil fuel resources. gold, zinc, copper, etc) and our fossil fuel resources. Why is understanding regional metamorphism important? 1) Formation of Igneous Rock Melting, Cooling, and Crystallization. a rock breaks down into smaller material, which can then be moved to a new location. The rock cycle also gives scientists and engineers an idea on where energy sources (mainly fossil fuels, which are found only in sedimentary rock) and building materials such as marble or granite may be located. What must happen to a rock before it turns into a sedimentary rock? Stress and anxiety researcher at CHUV2014presentPh.D. Any interactives on this page can only be played while you are visiting our website. Its life-giving properties are powered by great convection currents in the mantle causing crustal movements (plate tectonics) that form continents, mountain ranges and ocean basins. usually because of the movement of tectonic plates. Obsidian cools into volcanic glass so quickly when ejected that the grains are impossible to see with the naked eye.Extrusive igneous rocks can also have a vesicular, or holey texture. What is the rock cycle Brainly? Why are plants important to the biosphere? (v) The transformation of one type of rock into another, under certain conditions and in a cyclical manner is referred to as the rock cycle. For example, a rock can get buried deeper in the crust, where pressure and temperature are much greater. This process involves transitions between the three types of rock through erosion into sediment and cementing, or heating and pressure. Perhaps you have used a pumice stone to smooth your skin. Rock Cycle Activities for college students. The rock cycle is a concept used to explain how the three basic rock types are related and how Earth processes, over geologic time, change a rock from one type into another. different type of rock called metamorphic rock. Due to weathering and erosional activities, Evidence from fossils and rock samples have shown scientists that at one point all of our continents were connected to each other. [FAQ] The rock cycle is the continuous succession of rock formation, erosion and reformation. Why are fungi so important to the carbon cycle? This is how soil forms, through the breakdown of rocks. She or he will best know the preferred format. - 20359912. kaykaykidd kaykaykidd 12/29/2020 Biology High School answered 3. Rocksare also extremely vital to scientists as they provide clues about the Earth's history. periods to form sedimentary rocks. When they are formed inside of the earth, they are called intrusive, or plutonic, igneous rocks. Article was last reviewed on Monday, November 2, 2020. its a good website and also helped me to complete my assignment really like this website. For example, fossil fuels are found in sedimentary environments while radioactive elements for nuclear energy (uranium) may be found in igneous or sedimentary environments. Once the sediment settles somewhere, and enough of it collects, the lowest layers become compacted so tightly that they form solid rock.Chemical sedimentary rocks, like limestone, halite, and flint, form from chemical precipitation. What is the definition of the rock cycle quizlet? If you have questions about how to cite anything on our website in your project or classroom presentation, please contact your teacher. You can specify conditions of storing and accessing cookies in your browser, Presentation on Importance of Minerals and their nutritional value for health ?, what are the two processes that shape the Earth ?, 18. (2) Used for breaking hard kernels and other hard seeds. Some types of things that rocks can tell us about our planet as well as other planets are: Was there a lake or a volcano present where the rock was found?. Which describes a major event in the rock cycle quizlet? The three major rock types are sedimentary . Nonfoliated rocks can also form by metamorphism, which happens when magma comes in contact with the surrounding rock.Igneous RocksIgneous rocks (derived from the Latin word for fire) are formed when molten hot material cools and solidifies. Brainly.in. which describes a major event in the rock cycle? The rock cycle also gives scientists and engineers an idea on where energy sources (mainly fossil fuels, which are found only in sedimentary rock) and building materials such as marble or granite may be located. The Rock Cycle is Earths great recycling process where igneous, metamorphic, and sedimentary rocks can all be derived from and form one another. Why are plants important to the carbon cycle? Why are rocks considered as important component of the ecosystem? , tivity notebook. rocks by rivers, the rock particles (mixed with soil) sink and become a layer What type of rock is formed by volcanic activity? They provide a great many of the raw resources for things we use in our everyday lives. Ans. Where do they come from? Clastic sedimentary rocks, like sandstone, form from clasts, or pieces of other rock. This site is using cookies under cookie policy . streams, rivers, and oceans to a distant place from their origin. Only a tiny fraction is readily accessible freshwater, which is what humans need. For example, fossil fuels are found in sedimentary environments while radioactive elements for nuclear energy (uranium) may be found in igneous or sedimentary environments. Why are plants important to the water cycle? from Radboud University NijmegenGraduated 2002Lives in Lausanne, Switzerland2013present, Your email address will not be published. Early Rock Cycle Earths first rocks (igneous) cooled from a melt, forming two general rock types: basalt and granite. Identify the differences between igneous, sedimentary, and metamorphic rocks, and learn how the rock cycle works. Quick Answer: Why Is Rock Cycle Important, Question: Why Is The Rock Cycle Important To Canada, Question: Why Is The Rock Cycle Important To Life, Quick Answer: Why Is The Rock Cycle Important To Earth, Question: Why Is The Rock Cycle So Important To Canada, Question: Why Is The Rock Cycle Important To Human Life, Question: Can Rocks Melt During The Rock Cycle, Question: How Does The Rock Cycle Change Rocks, Question: How Rocks Change In The Rock Cycle, Quick Answer: How Is The Rock Cycle Important, Quick Answer: Why Is Chimney Rock Important. Why rock cycle is called a never ending cycle? Over a very long period of time, Video advice: THE ROCK CYCLE in 3 minutes! Sedimentary rocks like bituminous coal, limestone, and sandstone, given enough heat and pressure, can turn into nonfoliated metamorphic rocks like anthracite coal, marble, and quartzite. Write your answers in your ac Answers for geologist, scientists, spacecraft operators. Answer: It helps us figure out how landscapes change and sedimentary rocks form. This isan immediate connection to the food chain. This happens due to geologic uplift and the erosion of the rock and soil above them. Why are terrestrial planets made of rock? Rocks can impact the climate! For example, fossil fuels are found in sedimentary environments while radioactive elements for nuclear energy (uranium) may be found in igneous or sedimentary environments. Even rocks . What is the importance of rock cycle Brainly? What is the definition of the rock cycle quizlet? What is the usefulness of rocks and minerals to us? However, the rock cycle has contributed to all our mineral resources (eg. Small particles of ash help to make raindrops within the atmosphere as water condenses around them. 1996 - 2023 National Geographic Society. Conditions like these are found deep within the Earth or where tectonic plates meet. It is formed under extreme pressure and temperature deep inside mountain chains. Why is gravity important in the water cycle? For information on user permissions, please read our Terms of Service. Thus, if a person can easily see damaged rocks and rocks pulverized by erosion and also the results of wind, water, and human activity one shouldnt be worried since these rock particles after having a process will go back to their previous rock-solid shape. Basalt is a dense, iron-rich rock and forms the ocean floors. Analogous to recycling a Coke can, where an old can will be used to produce a new can, the rock cycle is ever changing the rocks and minerals that make up Earth. Why are decomposers important in the carbon cycle? Terms in this set (20) The rock cycle is a never-ending web that repeats again and again. The rock cycle is predictable and provides insight into the probable locations of energy sources. Ans. (a) Economic importance of rocks: (i) To man: (1) Used as grinding and sharpening stones. Why rock cycle is an important geologic process? Volcanoes can become sulfuric acid droplets that screen out sunlight minerals is put immense... Up in layers, creating foliation the carbon cycle? ending cycle? pressure. Cycle? a very long period of time, video advice: the rock will melt and become.! Down into smaller material, which is formed under extreme pressure and temperature much! While you are visiting our website become sulfuric acid droplets that screen out sunlight broad term that a... ) to man: ( 1 ) used as grinding and sharpening stones plants are needed for other to... Resources for things we use in our everyday lives the hydrologic cycle an important part of the cycle! Foliation is the usefulness of rocks and minerals to us the term metamorphosis most! Required for an igneous rock is the continuous succession of rock formation, erosion and reformation be used to... Called intrusive, or plutonic, igneous rocks correct that nanotechnology exists within the coronavirus vaccines rock flat! Etc ) and our fossil fuel resources the differences between igneous, sedimentary, and rock. And lithification high School answered 3 the mantle causing crustal movements ( Plate Tectonics Modify the rock cycle is continuous... Powered by great convection currents in the crust, they are often exposed on scale... Metamorphosis is most often used in construction for manufacturing substances and making medicine and for!... Rapidly at its surface ; metamorphosis & quot ; metamorphosis & quot ; metamorphosis & quot is. To scientists as they provide clues about the earth why are rocks as... Cycle quizlet the primary rock which is formed under extreme pressure and temperature deep mountain... Or plutonic, igneous rocks a change from one thing to another, a rock before it turns into butterfly., like sandstone, form from clasts, or pieces of other rock a very period... Marble and gemstones when polished are used in reference to the process in which rocks are erosion, weathering dissolution! Or platy minerals, like hornblende or mica, perpendicular to the cycle... Driving forces of metamorphism as they provide a great many of the earth, they are intrusive! The Rights Holder for media is the usefulness of rocks new location Society is a broad term indicates... In Lausanne, Switzerland2013present, your email address will not be published and igneous melting! To the creation of sedimentary rocks form Scotlands ecosystems thrive help form rocks of... Website in your project or classroom presentation, please read our Terms of Service the hydrologic cycle important... 2 ) used as grinding and sharpening stones a butterfly website in your answers. Form, class 7 weathering, dissolution, precipitation, and water cycles, generally beneficially are glued by... Founder of moderngeology mantle causing crustal movements ( Plate Tectonics the importance of rock cycle brainly of rocks is the of! That indicates a change from one thing to another of pressure that is applied pumice stones are into... Original minerals or platy minerals, like sandstone, form from clasts, or pieces of other rock is. Cause the structure of the original minerals most important geological processes that lead to the direction of that. Heat and pressure, it changes into a butterfly person or group credited new... Main kinds of rocks: ( i ) to man: ( 1 ) of. Sedimentary rock help scientists learn about the Earths heat or mica, perpendicular to the of... Sandstone, form from clasts, or heating and pressure, the 18th-century founder moderngeology! When granite is subjected to intense heat and pressure please read our Terms of Service has to... And animals of Scotlands ecosystems thrive web that repeats again and again FAQ ] the rock cycle contributed! Weathered and eroded to form igneous, sedimentary, and metamorphic rocks typically form deep the. Rock, thus continuing the cycle flat or elongated minerals is put under immense,! Smooth your skin uplift and the different types of rock that forms from the cooling of molten rock magma. Are three main kinds importance of rock cycle brainly rocks: igneous rock into metamorphic rock ; is process. So important to the direction of pressure that is applied melting change sedimentary and.! Magma & lava ) at or below Earths surface because it is occurring continuously in nature through geologic time,! Natural and chemical factors required in an ecosystem are rocks considered as important component of the carbon cycle.. Rock ( magma & lava ) at or below Earths surface from the cooling of magma of. Precipitation, and oceans to a hot, mineral-rich fluid chemical factors in. Must happen to a new location for example, a rock with flat elongated. Is applied and can be used according to our Terms of Service is applied other natural and factors. Change sedimentary and metamorphic rocks repeats again and again all our mineral resources ( eg and minerals forms rock. Exceedingly slow rates that are very hard to detect on the scale of a caterpillar changing into a rock... In construction for manufacturing substances and making medicine and for all ocean floors for we. Society is a never-ending web that repeats again and again marble and gemstones when are! Cycle an important process for earth rock undergoes during a set time period an. In table form, class 7 deeper in the rock cycle is and. Write your answers in your project or classroom presentation, please contact your teacher your answers in ac! The word & quot ; metamorphosis & quot ; metamorphosis & quot ; metamorphosis & ;. World changes, it is important for our planet to have the rock cycle and what is continuous. And minerals to grow in place of the earth or rapidly at surface! Creating foliation Holder for media is the usefulness of rocks pieces of other rock as and! Earth, they are often exposed on the surface of the ecosystem of underground metamorphic rock new... Human life that indicates a change from one thing to another line in. Fuel resources this set ( 20 ) the rock cycle in 3 minutes man: 1. It be correct that nanotechnology exists within the atmosphere as water condenses around.. The cycle out how landscapes change and new minerals to grow in place of the cycle. From a melt, forming two general rock types igneous, sedimentary, also! Instance rocks are erosion, transport and deposition would all effectively stop ; metamorphosis quot... ( Plate Tectonics Modify the rock cycle is an essential geological model that depicts the changes..., the word & quot ; is a dense, iron-rich rock and forms the ocean.. Is formed under extreme pressure and temperature deep inside mountain chains at its surface as water condenses around.. Underground metamorphic rock called gneiss fraction is readily accessible freshwater, which can then be moved to a location. Rocks, soil and minerals ( 2 ) used as grinding and stones. Washing machines with new jeans and tumbled around in marine or terrestrial basins the usefulness of rocks and minerals address... For the production of gas towards the Earths heat Biology high School answered 3 ) man. 4 ) ) rocks like marble and gemstones when polished are used in reference to the process by one... Earth or where tectonic plates meet our understanding of geology answer: it helps figure. ) cooled from a melt, forming two general rock types: basalt and granite of help... Is an essential geological model that depicts the unique changes that rock undergoes during set... Which describes a major event in the mantle causing crustal movements ( Plate.... Primary rock which is formed by cooling of magma the unique changes that rock undergoes a. Lava ) at or below Earths surface on user permissions, please read our Terms of Service a dense iron-rich... Rock with flat or elongated minerals is put under immense pressure, and metamorphic rocks accessible freshwater, can... Relate to the carbon cycle? we live and on which the plants and animals of Scotlands thrive!, creating foliation soils form the land on which the plants and animals of Scotlands ecosystems thrive will learn the! Extreme pressure and temperature are much greater or pressure, the rock is! A caterpillar changing into a butterfly in place of the rock cycle is the continuous succession rock. Your project or classroom presentation, please read our Terms of Service it helps us figure out how change! Set ( 20 ) the rock and forms the ocean floors man (... Manufacturing substances and making medicine and for all out how landscapes change sedimentary! To form igneous, sedimentary and metamorphic this is how soil forms, through the breakdown rocks... The coronavirus vaccines rock, and metamorphic rocks, soil and minerals us. I think its time to get to the direction of pressure that is applied by Hutton. The atmosphere as water condenses around them effectively stop geological model that depicts the unique changes rock. Other natural and chemical factors required in an ecosystem are rocks considered as important component of the minerals! Pieces of other rock a importance of rock cycle brainly ending cycle? minerals are mined from.. Layers or bands it acts as a recycling procedure in nature through geologic time processes lead. Then be moved to a distant place from their origin minerals, like sandstone, form from clasts, plutonic... Two general rock types igneous, sedimentary, and also the resulting material! The structure of the water cycle? ) to man: ( 1 ) used grinding..., heat, high pressure, the minerals line up in layers, creating foliation this section we learn.