
ulaan-ull khadaan

ulaan-ull khadaan (, "laal pahaad") paschimi mangolia mein khovad emag key nogunur yog mein sthit ack bhoomigat khadaan haye.
ulaan-uul "kaizail taau" ayask kshetra kaa dohan kartaa haye. nason mein mukhya ayask khanij wolframite, fluorite, beryl aur minor molybdenite hain. bhandar kaa anuman 3.100 tunn wolfram parr 1.3-3.4% kii ayask sandrata parr lagaaya gayaa haye.