Gubik Formation of Quaternary Age in Northern Alaska

_ _________________________ Introduction. ________________________ Acknowledgments ___ _ _______________ Geography and geology __ ____________ Gubik Formation. ____________________ History __ ______________________ Mineralogy ______________________ Fossils ___ ______________________ Subdivision of the Gubik Formation. Skull Cliff unit_______________ Locality descriptions ______ Skull Cliff________.__ Drew Point. _________ Mitlitavik_ __________ Nunavak. __________ Christie Point_______ Meade River unit _ _________ Locality descriptions _____ Sentinel Hill. __ _____ Topagoruk _ _______ Central Coastal Plain Mitlitavik_ _________ Atigaru Point _______ Page 59 59 61 61 62 62 63 63 65 65 67 67 68 69 69 69 69 70 73 73 73 74 74 75 Gubik Formation Continued Subdivision of the Gubik Formation Continued Meade River unit Continued Locality descriptions Continued Ikpikpuk_ _________________________ Admiralty Bay______-_____-_------_ Ocean Point______________________ Meade River.______________________ Kikiakrorak_ _____________________ Barrow unit______________________________ Locality descriptions.___________________ Skull Cliff.-____-_-_-_-__-_----_-_Walakpa__ ______________________ Nunavak._________________________ Christie Point._____________________ Barrow.___________________________ Teshekpuk__ _ ______________________ Peard Bay_-___-._________-_-----__ Cape Simpson______________________ Age and correlation of the Gubik Formation.______ Geomorphic history of the Gubik Formation.______ Engineering significance of the Gubik Formation _ References cited.___________________________________