THE 
mou R NAL. OF. GEOLOGY 
MAY-¥UNE, 19173 
GLACIAL DEPOSITS OF THE CONTINENTAL TYPE IN 
ALASKA" 
R. S. TARR ann LAWRENCE MARTIN 
CONTENTS 
INTRODUCTION 
CONTINENTAL DEPOSITS IN ALASKA 
GLACIAL DEPOSITS OF THE COPPER RIVER BASIN 
Area Covered by Drift 
Thickness of Deposits 
Plains Topography 
Dominance of Outwash 
Till of the Normal Sort 
Alternation of Beds 
Volcanic Complications 
Lake Deposits 
Sand Dunes 
THE LoEss OR EOLIAN SILT OF THE COPPER RIVER BASIN 
Localities 
Lithological Character 
Topography 
Thickness of Deposits 
Fossils 
Vegetation 
Relationships of Occurrence 
CONCLUSION 
t Based upon field work by the senior author in rg11, and by the junior author 
in 1910 and to11. This paper was written after the lamented death of the senior 
author on March 21, 1912, and the junior author assumes full responsibility for al] 
Vol. XXI, No. 4 289 
