Context Image

VNIR_RGB

Enhanced visible color

red = 592nm

green = 533 nm

blue = 492nm

VNIR_FEM

Oxidized iron minerals

red = BD530 (ferric minerals)

green = SH600 nm (coatings)

blue = BDI1000nm (variety of iron minerals)

VNIR_VNA

VNIR surface brightness

gray level = brightness at 770nm.

IR_RGB

Enhanced visible color

red = 2503nm

green = 1500nm

blue = 1080nm

IR_IRA

IR surface brightness

gray level = brightness at 1330nm.

IR_MAF

Mafic mineralogy

red = OLINDEX (olivine)

green = LCPINDEX (low-Ca pyroxene)

blue= HCPINDEX (high-Ca pyroxene)

IR_PHY

Hydroxylated silicates

red = BD2300 (Fe/Mg phyllosilicate)

green = BD2210 (Al phyllosilicate or hydrated glass)

blue=BD1900 (hydrated sulfates, clays, or glass)

IR_HYD

Bound water

red = SINDEX (water-containing minerals)

green = BD2100 nm (monohydrated sulfates)

blue = BD1900nm. (hydrated sulfates, clays, or glass)