Dr. Nelia Dunbar

Magma Chamber Processes

• Volatiles in magmas
• Magmatic evolution
• Crystallization processes in melts
• Volatile migration in magmas and ore deposits

Element mobility in low temperature aqueous processes

• Potassium metasomatism
• Arsenic as an indicator of groundwater flow

Tephrochronology in Antarctica and New Mexico

• Tephras in Antarctic blue ice- Allan Hills
• Tephra and climate record of the West Antarctic Ice Sheet
• Mount Moulton
• Tephra record in Antarctic Ice Cores
• Tephras in Rio Grande Rift sediments of New Mexico
• Volcanic Ash Record in the Siple Dome Ice Core

Surface-exposure dating of young lava flows

• Young basaltic lavas in New Mexico
• Implications to Tibetan Plateau uplift