00914nam a22001577a 4500003000500000005001700005008004100022020001800063041001200081082001300093100002200106245006900128260003200197300001400229505051300243CUTN20180622165236.0180622b        xxu||||| |||| 00| 0 eng d  a9788130933818  aEnglish  a550bCUL  aCullen, Katherine  aPioneers In Science Earth Science: The people Behind the Science  aNew DelhibViva Booksc2017  axv,170 p.  aChapterstThe Forefather of Geology and the father of MineralogytThe Law of superposition of Rock of Layers and the principles of original Horizontality and lateral ExtensiontUniformitarianism as the central principle of Historical GeologytUnification of the Natural Sciences tThe Reality of Extinction of past life formstCreation of the Worlds first Geological MaptThe Gradual Nature of Earths ProcessestThe Theory of Continental DrifttEstimation of the Earths AgetTheory of Punctuated Equilibrium