Metamorphic Rocks

Metamorphic Rocks

1. Quartzite

   • Formation
     • Formed from Sandstone
     • sandstone came into contact with magma
     • pressure tightens the grains together
   • Description
     • hard rock
     • resistant to erosion
     • Contains grains of quartz
   • Croagh Patrick, Co. Mayo
   • Uses
     • Building

2. Marble

   • Formation
     • Formed from Limestone
     • Magma forces its way into limestone
     • It puts the rock under great heat and pressure
     • alter the physical and chemical make-up
   • Description
     • red, white, green or black
     • Contains crystals
   • Uses
     • fireplaces
     • construction
   • Connemara, Co. Galway