Figure A3. Generalized stratigraphy exposed in bluffs along Knik Arm.

Figure A2. Slope categories used in these descriptions. (After Schmoll and Dobrovolny 1972b.)

Figure A4. Corrediation of map units

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dard age designations are omitted from map sym-

represents a sequence of several glaciations. Some

bols because all units except bedrock are of Qua-

of these deposits are found in stratigraphic

ternary age. The correlation of map units is shown

sequences exposed in bluffs along Knik Arm and

locally in exposures along streams and in roadcuts.

Except for the uppermost one or two, most of the

deposits in these sequences cannot be directly

Surficial deposits

Surficial deposits underlie the surface of the

related to the deposits mapped at the surface. The

Anchorage Lowland and extend to depths of tens

deposits at the surface occur in well-defined land-

to at least 100 m (mainly west of the map area). They

forms and include extensive areas of moraine and

consist mostly of Pleistocene-age glacial drift that

related glacioalluvial, glaciolacustrine, and glacio-

Figure A3. Generalized stratigraphy exposed in bluffs along Knik Arm.

Western Governors University

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