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Greta J. Orris

Greta Orris

Publications listing

Interests: 

Industrial minerals

Mineral economics (industrial minerals, environmental issues and economics)

Surficial environments (playas, evaporites)

Contact:
520-670-5583
Fax 520-670-5113
greta@usgs.gov

Education
MS Geology
Ph.D Mineral Economics

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

Publications listing

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