Greta J. Orris

Publications listing

Interests: 

Industrial minerals

Mineral economics (industrial minerals, environmental issues and economics)

Surficial environments (playas, evaporites)

520-670-5583

Fax 520-670-5113

greta@usgs.gov

Education

Experience

Current Activities

• Afghanistan — mineral resources
• Global assessment of potash
• Industrial minerals in playa and marine evaporite systems-deposit modeling, inventories
• Mineral economics of industrial minerals
• Rare earth elements-mineral economics, deposit modeling, inventory, and rare earth elements in alkaline igneous rocks, exclusive of carbonatites
• Perchlorate (Cl04) in fertilizer minerals
• Sedimentary phosphate-- deposit and geoenvironmental models
• Additional topics include: issues and trends in industrial minerals, database development for industrial minerals, other