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