D0 B1 D0 Bb D0 B0 D0 B3 D0 Be D0 B4 D0 B0о Chapter 1minerals in the earth’s crust. section 1. mineral • a naturally formed, inorganic solid that has a definite crystalline structure must be able to say “yes” • 1. must be a solid • 2. must be a nonliving material • 3. must have a crystalline structure • 4. must be formed in nature (not by man). Minerals • minerals can be divided into 2 major groups: • silicateminerals • nonsilicate minerals. silicate minerals • made of silicon and oxygen • 90% of earth’s crust examples: • feldspars • biotite mica • quartz. nonsilicate minerals • do notcontain silicon and oxygen examples include: • copper • gold • silver.
A Painting Of Many Different Animals In The Woods Presentation transcript. crust • the crust is the layer that we live on • it is the most widely studied and understood • split into two parts: oceanic crustand continental crust • about 60 km thick under a continent and 5 km thick under the ocean. • only accounts for 1% of the earth’s make up. mantle • the mantle is the second. The earth's crust. oct 10, 2014 • download as pptx, pdf •. 8 likes • 5,649 views. ai enhanced description. the document discusses the different layers that make up the earth's crust and atmosphere. it describes two types of crust: continental crust and oceanic crust. it also explains that the earth's crust is made up of several elements. About this presentation. title: earth’s crust. description: earth s crust continental drift idea that continents have moved slowly to their current positions due to convection currents in the mantel. – powerpoint ppt presentation. number of views: 490. avg rating:3.0 5.0. slides: 32. Earth crust. the document describes the four main layers of earth: crust, mantle, outer core, and inner core. the crust is the thinnest layer and is divided into continental and oceanic crust. below the crust is the mantle, which makes up over 80% of earth's volume and is composed of iron rich rock. within the mantle are the lithosphere and.
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