Sandstone, Marble and Obsidian

Sandstone, Marble and Obsidian

1. Marble

   • Type of rock
     • -Non-foliated -Metamorphic rock.
   • How they are form
     • -Heat and pressure -Infiltrated sediments -Center of the Earth
   • Historical uses
     • -Sculpture -Architecture -Cosmetics
   • Nowadays uses
     • -Decorative and structural -Sculpture bases
   • Famous creations
     • -Taj Mahal -Washington monument -Supreme court -Lincoln Memorial.
       • Taj Mahal
       • Washington Monument
       • Licoln Memorial
       • Supreme Court
   • Location
     • -U.S -Europe -India
     • -Underground or inside mountains -Living or extinct volcanoes

2. SANDSTONE

   • HOW THEY ARE FORM
     • Stone & sand sediments/they get together/they join
   • FAMOUS CREATIONS
     • Important buildings/ the Taj majal/Stonehenge/the Palace of Winds/and the mayas Temples
   • NOWADAYS USES
     • High quality custom-designed buildings/ used for restoration projects if appropriate.
   • TYPE OF ROCK
     • Sedimentary rock Stone and sand
   • HISTORICAL USES
     • Urban row houses/1840s early 20th century
   • LOCATION
     • Areas where the accumulates/millions of years.
       • South Africa
       • Europe
       • Australia

3. OBSIDIAN

   • TYPE OF ROCK
     • Obsidian is an igneous rock
   • HOW THEY ARE FORM
     • Molten rock material/cools rapidly/crystalline structure
   • LOCATION
     • Can be found in/experienced rhyolitic eruptions.
   • Famous Creations
     • -Teotihuacan style
   • Nowadays uses
     • -Tumbled stones -Mirrors -Masks
   • Historical uses
     • -Excavations. -Obsidian tools -First manufacturing industry.

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