Surface Mineral Index

This is an indicator of the concentration of particular surface minerals across the continent. Many minerals were mapped by the ASTER mission (NASA & METI).

Types of mineral concentration maps from the ASTER mission include:

  • Gypsum 
  • Silica 
  • Quartz
  • Ferrous Iron
  • Ferric Oxide 
  • Kaolin Group
  • AlOH Group 
  • MgOH Group


Relevant data is available from: