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Observation Quality
Composite VNIR Images
VNIR_RGB
red = 592 nm green = 533 nm blue = 442 nm
VNIR_IRB
infrared red red blue-green
VNIR_VNA
gray level = brightness at 770 nm.
VNIR_FEM
red = BD530 (ferric minerals) green = SH600 nm (coatings or olivine) blue = BDI1000 nm (variety of iron minerals)
VNIR_FM2
red = BD530 (ferric minerals) green = BD920 (crystalline ferric minerals) blue = BDI1000 nm (variety of iron minerals)
Composite IR Images
IR_RGB
red = 2503 nm green = 1500 nm blue = 1080 nm
IR_IRA
gray level = brightness at 1330 nm.
IR_MAF
red = OLINDEX2 (olivine) green = LCPINDEX (low-Ca pyroxene) blue= HCPINDEX (high-Ca pyroxene)
IR_PHY
red = BD2300 (Fe/Mg phyllosilicate) green = BD2210 (Al phyllosilicate or hydrated silica) blue=BD1900 (hydrated sulfates, clays, or silica)
IR_HYD
red = SINDEX (water-containing minerals) green = BD2100 nm (monohydrated sulfates) blue = BD1900 nm (hydrated sulfates, clays, or glass)