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"A whole-rock K-Ar age of 22 ± 12 m.yr . was obtained on a fine -grained olivine basalt wh ich lies 1 m. above the unconformdty at Inspirat ion Rocks . Because the measurement of argon showed cons iderab le variation , an age at least as old as Pl iocene can be assumed . " (Craddock , c. , T . W. Bastien, R. H. Rut ford. Geology of the Jones Mountains area : Antarct ic Geology ; Proc Capetown Sympos ium 1963 , John Wiley and Sons , p . 171 -187 , 1964 . KOettlitz Glaciation depos ita 1 . Firs t published use . , Pewe , T . L . MUlt iple glac iation in the MCMUrdo Sound region , Antarct ica -- a progres s report : Jour . Geol . 68 , p . 498 -514 , 1960 . 2 . Definition "The latest major glaciat ion in the region is here nau�ed the KOettlitz Glaciation after the exceedingly well-preserved moraines on both s ides of Koettlitz Glacier . This glaciation was the least extens ive of the major advances , and only the out let glacj ers have left widespread depos its ." ( Pewe·, 510 ) 3 . Type sect ion a. Locat ion Koettlitz Glacier b . Lithology Ice -cored moraines covered wi th a network of sand -wedge polygons . Kenyte common. Knob and kettle topography with no vent ifacts . c . Relat ion to other units Poa t -Fryxe ll Glaciation d . Evidence for age 6000-year minimum (Pewe, 513 ) from c14 dat ing of algae in drained ponds 4 . Synonyms or closely related names See Fourth Glaciat ion depos ita - 59 -
