id	keyword
gc-951	sensing
gc-951	remote
gc-951	hyperspectral
gc-951	et al
gc-951	data
gc-951	area
gc-951	mineral
gc-951	chinese
gc-951	doi
gc-951	wang
gc-951	sasi
gc-951	casi
gc-951	abstract
gc-951	gold
gc-951	alteration
gc-951	ore
gc-951	rock
gc-951	study
gc-951	silver