Types of Rocks

• igneous


  from lava
• granite

  igneous
• basalt

  igneous
• obsidian

  igneous
• diorite

  igneous
• pegmatite

  igneous
• pumice

  igneous
• rhyolite

  igneous
• gabbro

  igneous
• andesite

  igneous
• peridotite

  igneous
• felsic

  igneous
• metamorphic


  from other rocks that were changed due to intense heat and pressure
• marble

  metamorphic
• slate

  metamorphic
• gneiss

  metamorphic
• quartzite

  metamorphic
• schist

  metamorphic
• soapstone

  metamorphic
• phyllite

  metamorphic
• anthracite

  metamorphic
• hornfels

  metamorphic
• mariposite

  metamorphic
• novaculite

  metamorphic
• skarn

  metamorphic
• sedimentary


  from sediments which were eroded to lower places

  forms fossils
• sandstone

  sedimentary
• shale

  sedimentary
• limestone

  sedimentary
• chalk

  sedimentary
• conglomerate

  sedimentary
• claystone

  sedimentary
• siltstone

  sedimentary
• breccia

  sedimentary
• chert

  sedimentary
• rock salt

  sedimentary
• dolostone

  sedimentary
• coal

  sedimentary
• gypsum

  sedimentary
• mudstone

  sedimentary