SEARCH Articles Figures Tables Diffuse reflectance infrared Fourier transform difference Language Reflect Underlying Differences in the Ways That Miners and Investigators Warrant Judgments About Risk Oblique incidence reflectivity difference Oblique-incidence optical reflectivity difference Reflectance-difference spectroscopy Reflection Difference Spectroscopy Reflection Difference Techniques Vocabulary Reflect More Fundamental Differences in the Relationship to Risk