Ragnarok : the age of fire and gravel

CONTENTS.

PART I. THE DRIFT. CHAPTER PAGE I—Tnue CHaracTeristics or THE Drirt 0 . " 1 IL—Tue Oriery or THE Drirt NOT KNOWN < = 8 T1..—Tue Action or WavES , . < ‘ . 10 TV.—Was 17 cAvusep By IceBErGs? . 5 5 5 13 V.—Was rr causep py Guacters ? 5 5 5 . Li VI—Was IT cAUSED By A ContinenTAL IcE-SuEeT? 5 23 Vi.—Tue Drirt a Gigantic CATASTROPHE . . . 43 VillL—Great Heat A Prerequisite . ‘ ‘ 5 68 PART II. THE COMET. L—A Comer cavsep THe Drirt . . . . 63 IL—Wuart is a Comer? . “ - ‘a 5 65 Ti.—Covrp « Comet sTRIKE THE Eartn? n - - 82

IV.—Tue Consequences TO THE EarTH - . 91