000 01043nam a2200277 a 4500
005 20250913130421.0
008 981208s1990 xxu 00 eng d
039 9 _a201105291218
_bhayat
_y08-18-1999
_zload
090 _aTN423.A5G64
090 _aTN423.A5
_bG64
245 0 0 _aGold in porphyry copper systems /
_cby Edwin W.Tooker
260 _aWashington, D. C. :
_bUnited States Goverment Printing office,
_c1990
300 _a55 p. :
_bil. ;
_c28 cm.
440 0 _aGeology and resources of gold in the united states / ch.E(U. S. Geological survey Bulletin ; 1857)
504 _aIncludes bibliographical references
650 0 _aGolg ores
_zWest (United States)
650 0 _aCopper ores
_zWest (United States)
650 0 _aGeology
_zWest (United States)
700 1 _aTooker, Edwin Wilson,
_d1923-
907 _a.b10879195
_b2021-05-28
_c2019-11-12
942 _c01
_n0
_kTN423.A5G64
914 _avtls000091341
991 _aFakulti Sains Fizik dan Gunaan
998 _al
_b1999-05-08
_cm
_da
_feng
_gxxu
_y0
_z.b10879195
999 _c89761
_d89761