Geography (rock types)

• What are sedimentary rocks formed in?


  Layers called beds
• What do sedimentary rocks often contain?

  Fossils
• What is chalk primarily made of?

  Calcium carbonate
• How is chalk likely formed?

  Through chemical weathering
• What is sandstone made from?

  Sand-sized grains cemented together
• What property does sandstone have regarding weathering?

  It can be resistant to weathering
• Can sandstone allow liquids and gases to pass through?

  Yes, it can let liquids and gases pass through
• What are igneous rocks formed from?

  Crystals
• What is a characteristic of igneous rocks regarding erosion?

  They are resistant to erosion
• Do igneous rocks usually allow liquids and gases to pass through?

  No, they usually don’t let liquids and gases pass through
• What is granite affected by?

  Chemical weathering
• What type of landscape do igneous rocks like granite tend to create?

  Boggy landscapes due to poor drainage
• What is basalt made from?


  Small crystals
• How is basalt formed?


  From lava flows that cool
• What are metamorphic rocks formed by?

  Great heat and pressure
• What is slate derived from?


  Mudstone
• Where does slate typically form?


  At convergent plate boundaries
• What is a characteristic of slate regarding its structure?

  It splits easily into thin layers
• What is schist made from?

  Slate at high pressure
• At what conditions is schist formed?

  At high pressure at convergent plate boundaries