Igneous rocks formation igneous rocks are formed by melting, cooling, and crystallization of. Examples of some of the different types of rock are also given. Rocks, minerals, uses of rock, types of rock, igneous rock, metamorphic rock, sedimentary rock, extrusive rock, intrusive rock, foliation, the earths crust, weathering, recrystallization, and the rock cycle. A rock is a naturally occurring solid mixture of one or more minerals, or organic matter rocks are classified by how they are formed, their. Enjoy our wide range of fun facts and information about different types of rocks and minerals for kids.
The three types of rocks above can each form one another by melting or erosion and subsequent lithification. Types of rocks there are three main types of rocks. Mar 09, 2017 indepth video about rock cycle and types of rocks. Metamorphic rocks are often made from other types of rock. Igneous rocks formation igneous rocks are formed by melting, cooling, and crystallization of other rocks. The relative abundance of main rock types and minerals in the crust is shown in the table. Biochemical sedimentary rocks are composed of accumulations of organic debris. Made for y3 pupils for rocks and soils science topic, this gives an overview of what rocks are and breaks down the meaning of igneous, sedimentary and metamorphic rocks.
Depending on how the rock formed, rocks can be igneous, sedimentary, or metamorphic. Knowing the differences between these 3 types of rocks allows us to learn about earths past. Igneous rock, or magmatic rock, is one of the three main rock types. A blasthole is a hole of suitable diameter and depth driven at a properly selected location on a rock for being charged with an explosive. Types of rocks 3 basic types sedimentary igneous metamorphic 3 types of sedimentary rocks clastic chemical organic clastic sedimentary rock sediments form when rocks. Rocks are an aggregate of one or more minerals held together by chemical bonds. For example, shale, a sedimentary rock, can be changed, or metamorphosed, into a metamorphic rock such as slate or gneiss. Also of importance are the rocks extent of homogeneity i. Introduction and classification of rocks slideshare.
Ppt types of rocks powerpoint presentation free to. The three major classes of rock are igneous, sedimentary, and. In nature, there are different types of rocks available, i. An introduction to the three types of rock for elementarymiddle school students. T2s327year3comparingandgroupingrockspowerpointandactivitypack. A rock is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. Sills usually are fed by dikes, but these may not be exposed in the field. Determine if the following rock samples are foliated or nonfoliated. This can greatly affect the hardness, texture or layer patterns of the rocks. Arial default design three types of rocks slide 2 slide 3 slide 4 slide 5 slide 6 slide 7 slide 8 slide 9 slide 10 slide 11 slide 12 slide slide 14. The 3 different types of rocks with examples of each. Magma the pokemon to remember how igneous rocks are made. In geology, rocks and stones are naturally occurring, solid aggregate chunks of one or more minerals. Rock types are specific assemblages of minerals most rocks are composed of minerals.
It is categorized by the minerals included, its chemical composition and the way in which it is formed. Mechanical weathering is also known as physical weathering. Sedimentary rocks are formed from pieces of other existing rock or organic material. Year comparing and grouping rocks powerpoint and activity pack. Theyre all connected to the endless rock cycle, moving from one type to a different and dynamic form, texture and even chemical composition of the method. Year comparing and grouping rocks powerpoint and activity pack contains. This process helps to bring nutrients from deep in earths mantle to the surface. There are 3 nice classes of rocks, igneous, sedimentary and metamorphic, and most of the time, they are easy to inform apart. Types of rocks igneous sedimentary rocks metamorphic rocks.
One of the most common mechanical actions is frost shattering. Igneous rocks igneous rocks are formed by volcanoes. Clastic sedimentary rocks such as breccia, conglomerate, sandstone, siltstone, and shale are formed from mechanical weathering debris. Mar 31, 2020 the relative abundance of main rock types and minerals in the crust is shown in the table. We will also see the uses of rocks and minerals in our lives. Scientists now know enough about rocks to produce some artificially for example ruby and diamond.
Even rocks within one rock type may have a highly variable composition. Describe ways by which sediments are eroded learning objectives lo. May 04, 2020 there are different types of rocks on the earths surface, and each has its distinct characteristics. Rocks hold the history of the earth and the materials that will be used to build its future. Jun 12, 2009 created for 5th grade science classroom.
In our previous classes, we go to learn more about rocks, how they are formed, and their benefit to the earths surface. Rock is naturally occurring solid form of or more minerals igneous rock formed when magma cool and harden sedimentary rock the. Sep 14, 2016 metamorphic rocks the rocks which have formed through the operation of various types of metamorphic processes on the preexisting igneous and sedimentary rocks involving changes in textures,structures and mineralogical compositions. Mechanical weathering is the physical breakdown of rocks into smaller and smaller pieces. Rock type is usually defined as a particular kind of rock having a specific set of characteristics 1. Rocks and minerals powerpoint sedimentary rock rock geology. Halite and gypsum are examples of minerals that precipitate from aqueous solutions to form chemical sedimentary rocks. On the bases of their formation, rocks are broadly divided into three types, namely igneous rocks, sedimentary rocks and metamorphic rocks.
Three types of rocks jefferson county public schools. We use your linkedin profile and activity data to personalize ads and to show you more relevant ads. Within these classifications are many hundreds of types. Sedimentary formed by the cementing together of small grains of. Quarrying by blasting involves a series of systematic operations such as drilling of blastholes, charging of blastholes and firing the shots. What is a rock and what are 3 basic types of rocks earth. A free powerpoint ppt presentation displayed as a flash slide show on id. Rocks can be classified in to three main groups igneous, sedimentary and metamorphic. Describe the role of water in chemical weathering 4. Rocks and minerals powerpoint free download as powerpoint presentation. The presentation includes slides with images and information about how sedimentary, metamorphic, and igneous rocks are formed in nature. Photos, descriptions and facts about intrusive and extrusive igneous rocks. Learn what rocks and minerals are, what the difference is, examples of rocks and minerals, the difference between igneous, sedimentary and metamorphic rocks, mohs scale of hardness and much more. Metamorphic rocks metamorphic rocks are formed by the effect of heat and pressure on existing rocks.
Each of these rocks are formed by physical changessuch as melting, cooling, eroding, compacting, or deformingthat are part of the rock cycle. Feldspar and quartz are the most common minerals found in rocks. Crystal a mineral grain displaying the characteristics of its atomic structure. Learn what rocks and minerals are, what the difference is, examples of rocks and minerals, the difference between igneous, sedimentary and. Here is a powerpoint which provides examples of the types of rocks found in nature. This presentation clearly explains in words and pictures how igneous, sedimentary and metamorphic rock are made. The first two are formed under conditions of extreme heat and pressure. Amphibolite quartzite phyllite foliated be sure to complete your types of rocks notes as you view this presentation. Fun rock facts for kids information about types of rocks. Metamorphic rock is formed by heat and pressure from other rocks. This classification is based on the mode or process of formation of a rock.
A stone house has its distinct individuality in a city of concrete structures. One way to help learning about the rock cycle concept is by studying its representation in. The texture of a rock is the size, shape, and arrangement of the grains for sedimentary rocks or crystals for igneous and metamorphic rocks. These three different rock types can be found in distinct areas of the uk. Sedimentary rocks pictures, characteristics, textures, types. Dec 25, 2019 rocks are an aggregate of one or more minerals held together by chemical bonds.
Based on the mode of formation three major groups of rocks are defined. This presentation clearly explains in words and pictures how igneous, sedimentary and. Pictures of igneous, metamorphic and sedimentary rocks. Sedimentary rocks chemical sedimentary rocks form when minerals precipitate from a solution, usually sea water. This powerpoint looks at lots of different types of rock and soil, and where you can expect to see it. Metamorphic rocks the rocks which have formed through the operation of various types of metamorphic processes on the preexisting igneous and sedimentary rocks involving changes in textures,structures and mineralogical compositions. Need starting material with atoms that can come together in the proper proportions. The three main types, or classes, of rocks include sedimentary, metamorphic and igneous. Photos, descriptions and facts about foliated and nonfoliated metamorphic rocks. What is weathering and different types of weathering earth. There are different types of rocks on the earths surface, and each has its distinct characteristics. If so, share your ppt presentation slides online with. Other examples of metamorphic rocks include marble, anthracite, soapstone, and schist.
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