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Ahmed Ali Khan – VI B, DMIS
General Information about  ‘ Rocks’ <ul><li>Rocks are the materials of which mountains, cliffs and the ground are made. Ev...
Sedimentary <ul><li>Sedimentary rock  is one of the three main rock types. </li></ul><ul><li>Sedimentary rock is formed by...
Igneous <ul><li>Igneous rock  is one of the three main rock types (the others being sedimentary and metamorphic rock). </l...
Metamorphic <ul><li>Metamorphic rock  is the there main rock types (the others being sedimentary and metamorphic rock).   ...
Marble <ul><li>Marble is a non foliated metamor-phic rock resulting from the metamor-phism of limestone, composed mostly o...
Granite <ul><li>Granite  (pronounced is a common and widely occurring type of intrusive, felsic, igneous rock.  </li></ul>...
<ul><li>Quartz  is the second most abundant mineral in the Earth's continental crust. </li></ul><ul><li>It is made up of a...
limestone <ul><li>Limestone  is a sedimentary rock composed largely of the mineral calcit. </li></ul><ul><li>The depositio...
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Rocks

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Transcript of "Rocks"

  1. 1. Ahmed Ali Khan – VI B, DMIS
  2. 2. General Information about ‘ Rocks’ <ul><li>Rocks are the materials of which mountains, cliffs and the ground are made. Even sand, clay and soil are types of rock made from tiny particles. </li></ul><ul><li>All rocks can be divided into three main groups - igneous, sedimentary and metamorphis rocks - according to the way in which they were formed. </li></ul>
  3. 3. Sedimentary <ul><li>Sedimentary rock is one of the three main rock types. </li></ul><ul><li>Sedimentary rock is formed by deposition and consolidation of mineral and organic material and from precipi-tation of minerals from solution. </li></ul>
  4. 4. Igneous <ul><li>Igneous rock is one of the three main rock types (the others being sedimentary and metamorphic rock). </li></ul><ul><li>Igneous rock is formed by magma (molten rock) being cooled and becoming solid </li></ul>
  5. 5. Metamorphic <ul><li>Metamorphic rock is the there main rock types (the others being sedimentary and metamorphic rock). </li></ul><ul><li>Metamorphic rocks make up a large part of the Earth's crust and are classified by texture and by chemical and mineral assemblage </li></ul>
  6. 6. Marble <ul><li>Marble is a non foliated metamor-phic rock resulting from the metamor-phism of limestone, composed mostly of calcite </li></ul><ul><li>It is extensively used for sculpture, as a building material, and in many other applications. </li></ul>
  7. 7. Granite <ul><li>Granite (pronounced is a common and widely occurring type of intrusive, felsic, igneous rock. </li></ul><ul><li>Granite is formed from the slow cooling of high silicate magma intrusions that have risen through the crust and formed large bulbous chambers of molten material called plutons </li></ul>
  8. 8. <ul><li>Quartz is the second most abundant mineral in the Earth's continental crust. </li></ul><ul><li>It is made up of a continuous framework of SiO4 silicon-oxygen tetrahedra. </li></ul>Quartz
  9. 9. limestone <ul><li>Limestone is a sedimentary rock composed largely of the mineral calcit. </li></ul><ul><li>The deposition of limestone strata is often a by-product and indicator of biological activity in the geologic record. </li></ul>
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