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BUL 026

Some Characteristics and Physical Properties of Alberta Tills

Abstract: Maps depicting the regional variation in the chemical and mineralogical composition, and physical properties of tills from throughout the plains region of Alberta were prepared by a computer with an attached plotter.The chemical constituents and properties analyzed and discussed are: Copper, zinc, manganese, calcium, boron, molybdenum, cobalt, pH, and oluble salts. The mineralogical components included are clay minerals and feldspars. The physical properties included are particle-size istribution, liquid limit and plastic limit, on the basis of which a number of additional engineering properties were calculated and discussed: plasticity number, plasticity, activity and corrosion potential.Generally, the lithology of the till closely reflects that of the underlying bedrock. A noticeable exception is the distribution of soluble salts, the origin of which is more likely related to groundwater phenomena. Place Keywords 72e 72l 72m 73d 73e 73l 73m 74d 74e 74l 74m 82g 82h 82i 82j 82n 82o 82p 83a 83b 83c 83d 83e 83f 83g 83h 83i 83j 83k 83l 83m 83n 83o 83p 84a 84b 84c 84d 84e 84f 84g 84h 84i 84j 84k 84l 84m 84n 84o 84p alberta Theme Keywords chemical properties cretaceous mineralogical characteristics physical properties till

Bayrock, L.A.  Pawluk, S.  1969-01-01