U

Ulu Sokor see under Kelantan

United Kingdom

• mineral exploration : Searching for ore deposits in the Southwest of England [Hosking, K.F.G., 1984a]
• mineralization : Geology of the Cornubian tin field [Jackson, N.J., 1979]
• tin deposits : The stanniferous placers of Cornwall [Camm, G.S. & Hosking, K.F.G., 1984a]
• tin ores : The curious tin-ore of Wheal Primrose, St. Agnes, Cornwall [Hosking, K.F.G., 1978a]
  • A yellow tin-spar from Ireland [Hosking, K.F.G., 1982b]

unconformities see under stratigraphy

Upper Segama see Segama under Sabah

uranium

• Bukit Takun : Traces of uranium at Bukit Takun [Hosking, K.F.G. & Loganathan, P., 1970]
• identification : Microchemical aids to the identification of minerals [Hosking, K.F.G., 1977a]

uranium ores

• exploration : Status of uranium exploration in Peninsular Malaysia [Chu, L.H. & Chand, F., 1984, 1986]
• potential : Geothermal energy and uranium mineralization potential of the Main Range granite province [Chakraborty, K.R., 1992]

United States of America

• faults : The San Andreas Fault System, California [Crowell, J.C., 1988]
• geothermal energy : Deep slim hole, diamond core drilling program proves effective for geothermal assessment in Hawaii [Olson, H.J. & Deymonaz, J.E., 1992, 1993]
• mineral deposits : The Sierra Nevada Batholith, California, and spacially related mineral deposits [Dodge, F.C.W. & Bateman, P.C., 1977]
  • Selected copper-bearing skarns and epizonal granitic intrusion in the southwestern United States [Theodore, T.G., 1977]
• petroleum : Estimates of undiscovered recoverable conventional oil and gas resources [Mast, R.F., 1989]

urban geology

• landfill : Geological and hydrogeological perspectives on the waste disposal system [Mohamad Ali Hasan, 1993]
• waste disposal : Selection of solid waste disposal sites [Tan Boon Kong, 1981]
• waste management : A preliminary appraisal on the waste disposal management system in Malaysia [Mohamad Ali Hassan, 1992b]

U.S.S.R.

• granites : Late Mesozoic granitic magmatism in geological structures of the U.S.S.R. North-East [Shilo, N.A. & Milov, A.P., 1977]