00943cam a22002771  4500001001300000003000400013005001700017008004100034010001700075035001900092040004800111041001300159042001200172050002400184100003300208245007900241260006700320300003900387410004800426500007800474500002900552504002800581650002100609650001800630999001700648gs 64000125 DLC20260227111413.0770428s1963    onca     b   f000 0 eng c  ags 64000125   a(OCoLC)2924394  aU.S. Geol. Survey. Libr.cInMuBdInMuBdDLC0 aengbfre  apremarc00aQE185b.A43 no. 1041 aMaxwell, John Alfred,d1921-10aGeochemical study of some chert and related deposits,cby John A. Maxwell.  a[Ottawa]bDept. of Mines and Technical Surveys, Canadac[1963]  aix, 31 p.billus., tables.c25 cm.20aGeological Survey of Canada.tBulletinv104  a"Condensed from [the author's thesis] ... University of Minnesota, 1953."  aAbstract also in French.  aBibliography: p. 15-18. 0aSiliceous rocks. 0aGeochemistry.  c29805d29805