Western Mineral Rock Suite Identification Keys

South Pacific

• New Zealand - Rotorua Ignimbrites and Tongariro (andesitic) Volcanics (Acrobat (PDF) 84kB Apr10 09)
• Samoa Volcanics (Acrobat (PDF) 180kB Apr10 09)
• Tahiti Volcanics (Acrobat (PDF) 197kB Apr10 09)
• Tasmanian Dolerite (Acrobat (PDF) 77kB Apr10 09)

United States

• Volcanics from the San Juan Mountains, Colorado (Acrobat (PDF) 49kB Apr10 09)
• Snake River Plain Volcanics Petrographic Suite, Southwestern Idaho (Acrobat (PDF) 68kB Apr10 09)

Scandanavia

• Iceland Post Glacial Volcanics (Acrobat (PDF) 153kB Apr10 09)
• Oslo Complex, Norway (Acrobat (PDF) 182kB Apr10 09)
• Rapakivi, Finland (Acrobat (PDF) 232kB Apr10 09)