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The Tyonek area in the northwestern Cook Inlet trough is rich in petroleum, coal, geothermal, aggregate, and timber resources, but the detailed geologic mapping necessary for planning future resource development exists only in part of the area. This report and geologic map provide basic surficial-geologic information useful for exploiting those resources and planning future utility corridor developments. In addition to mapping of surficial geologic units, we provide discussion of strategraphic evidence pertaining to physiographic relations and geologic history of volcaniclastic deposits derived from ancestral Mount Spurr, multiple phases of Quaternary glacial activity, Chakachatna River valley landslide complexes...
Tags: Alaska Earthquake 1964,
Alluvial Fan,
Beluga Plateau,
Beluga River,
Blockade Glacier, All tags...
Capps Glacier,
Chakachatna River,
Chakachatna-McArthur Embayment,
Chalcedony,
Chigmit Mountains,
Chuitna Coal Project,
Chuitna River,
Coastal Plain,
Colluvium,
Cook Inlet,
Cook Inlet Basin,
Correlation,
Debris Avalanche,
Depositional Environment,
Diamictons,
Earthquake Related Slope Failure,
Erratics,
Fault Displacement,
Glacial Geology,
Glacier Outburst Flood,
Glacioestuarine Deposits,
Jasper,
Jokulhlaup,
Lahar,
Landslide Deposit,
Little Ice Age,
Moraines,
Mount Spurr,
Neacola Mountains,
Neoglacial,
Neotectonics,
Penultimate Glaciation,
Radiocarbon Ages,
Rotational Landslide,
STATEMAP Project,
Sediment Gravity Flow,
Straight Creek,
Surface Fault Rupture,
Surficial Geologic Map,
Surficial Geology,
Susitna Lowland,
Tectonics,
Threemile Creek,
Till,
Tordrillo Mountains,
Tyonek,
Tyonek Quadrangle,
Volcaniclastic Deposits,
geoscientificInformation, Fewer tags
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