000 00724nam a2200193Ia 4500
003 NULRC
005 20250520094943.0
008 250520s9999 xx 000 0 und d
020 _a871967030
040 _cNULRC
050 _aQE 5 .L37 1987
100 _aLapidus, Dorothy Farris
_eauthor
245 4 _aThe facts on file :
_bdictionary of geology and geophysics /
_cDorothy Farris Lapidus
260 _aNew York :
_bFacts On File Publications,
_cc1987
300 _a384 pages :
_billustrations ;
_c23 cm.
520 _aThe concept of sea-floor spreading, the constant generation of new sea floor, offered a reason for why oceanic crust is younger than continental crust.
650 _aHISTORICAL GEOLOGY
942 _2lcc
_cREF
999 _c7226
_d7226