00256pam a2200133 a 4500020000500000041000500005100002800010245002400038250000800062260000900070300000800079653001200087700002300099  c  h  aDr. A. B. Chakranarayan  aConcepts in Geology  aIst  c1997  a300  aGeology  aDr. U. D. Kulkarni