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Rolling Stones

Rocks and Minerals Project

Sara Manshad

on 10 December 2012

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Transcript of Rolling Stones

Sara Manshad Rolling Stones Mineral Formation Rocks Sedimentary Rocks Physical & Chemical Properties of Rocks Metamorphic Rocks Rock Cycle Minerals can be formed in two ways... A rock is defined as a solid mixture of minerals and different parts of Earth’ surfaces. Since rocks are comprised of one or many types of minerals; they have the same physical and chemical properties of the minerals they’re made up of. Rock formed by a combination of sediments caused by weathering or erosion. The ongoing transformations between the three types of rocks; igneous, sedimentary, and metamorphic. Minerals A mineral is defined as a composition of inorganic elements (e.g. calcium, iron, zinc, etc.) or mineral deposits though geological processes. Physical Properties of Minerals Minerals can be classified by a wide variety of physical properties. Color Streak Hardness Crystalline Structure Diaphaneity Tenacity Magnetism Luster Chemical Properties of Minerals All minerals are made up of the building block of matter, atoms. Therefore, each mineral has unique chemical characteristics or chemical formulas. Chemical Formulas Radicals Mineral Series Atomic Variations Variable Formulas Magma or Lava
When the molten rock cools, minerals are created. Hot Water Solution
When a solution of hot water evaporates, minerals that are left behind crystallize . Cleavage/Fracture Specific Gravity Crystallization Magmatic Process Hydrothermal Evaporation Depositional Weathering Erosion Rock Types There are three different types of rocks:
Metamorphic Igneous Rock Rock formed by the cooling of molten lava (magmatic process). Rock created by the alteration of heat or pressure to existing rocks. The Rock Cycle More about the Rock Cycle References http://en.wikipedia.org/wiki/Mineral_Deposits
http://www.learner.org/interactives/rockcycle/diagram.html Color Streak Cleavage/Fracture Transparency Magnetism Hardness Luster
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