Plutonic

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• Plutonic Rocks
  
• Granite
  
• Anorthosite
  
• Pegmatite containing tourmaline
  
• Thin section of porphyritic rock
  
• Needles, Black Hills, South Dakota
  
• Needles, Black Hills, South Dakota
  
• Climber on granite at Joshua Tree National Park
  
• Stone Mountain, North Carolina
  
• Cliffs at Bon Echo Lake, Ontario
  
• Yosemite Valley, California
  
• Exfoliation crack in granite
  
• Granite on peak in Sierras
  
• Rock climbers at Arch Rock, Yosemite National Park
  
• Climbers on El Capitan, Yosemite National Park
  
• Granites in Joshua Tree National Park
  
• Summit of Harney Peak, Black Hills, South Dakota
  
• Zoned feldspar in thin section
  
• Hornblende in thin section