Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 10 of 10 for “"Glacial epoch"”.
-
Our Ice Age: The Geohistorical Imagination in the Northern Hemisphere
… according to climatologists, into our own “interglacial” time. Linking scientific and literary narratives of our warming interglacial world with those of the last glacial epoch, this dissertation analyzes the imagination of climate change when planetary forces, rather than humans, serve as the …
-
Postglacial paleoecology and effects of European settlement on the environment of Lake Hunger and Lake Lisgar, Southwestern Ontario /
… since European settlement I to determine the postglacial chemical history of Lake Hunger, and to determine the vegetational history of the Lake Hunger area from postglacial time to the present. The minus 80 mesh fraction of 108 soil samples and 18 stream sediment samples collected in the vicinity …
-
Chemostratigraphy of the Early Paleoproterozoic carbonate successions (Kaapvaal and Wyoming cratons)
… the Neoproterozoic record, carbonates cap the glacials. However, the relationship between biogeochemical cycling of carbon and ice ages has not been fully appreciated. This research involved the sedimentology and isotope stratigraphy of carbonates and shales in Paleoproterozoic …
-
Palynology of late-glacial and postglacial sediments in Georgian Bay, Ontario, Canada, as related to the Great Lakes history /
… of pollen and spores, and (3) the late- and postglacial history of vegetational and climatic changes in the Georgicin Bay region. Modem pollen and spore assemblages in Georgian Bay do reflect the surrovinding vegetation when preservation and pollen production by the different species are …
-
A study of the Pleistocene deposits and water-bearing strata of the Hardinville and Sumner, Illinois, quadrangles
Made available in DSpace on 2016-11-09T23:47:41Z (GMT). No. of bitstreams: 2 5983681_opt.pdf: 47633594 bytes, checksum: d95da2ff52fc2aa65cf38e05b29e9210 (MD5) license.txt: 4183 bytes, checksum: 1dcc2037833d76bede73d5717587543b (MD5) Previous issue date: 1913
-
The surficial geology of north-central Kidder County, North Dakota
… of alluvium and reworked outwash sand.</p> <p>Preglacial drainage was southeastward into the preglacial Cannonball River which flowed northeastward across the center of the County.</p>
-
Glacial geology of northern Logan County, south-central North Dakota
… relief, small kames, saltwater channels, and glacial Lake Napoleon strandlines and clay plain. Landforms in the Missouri Coteau part of northern Logan County are dead-ice moraine, Long Lake, Burnstad, and Streeter and moraines, outwash plains, ice-walled lake plains, collapsed outwash …
-
Glacial Stratigraphy of northeastern North Dakota
… units (formations} composed dominantly of glacial sediment have been recognized in northeastern North Dakota. Three formations, the Falconer Formation (Harris and others, 1974}, the Dahlen, and Gardar Formations (Salomon, 1975). Have been previously recognized. Four formations, the …
-
Glacial geology and stratigraphy of southeastern Pierce and southwestern Benson counties, North Dakota
… include: ice marginal ridges, ground moraine, proglacial plains, abandoned river channels, and sand dunes.</p> <p>In the laboratory, very coarse sand lithology percentages, till fabric, texture, and gross lithology were used to differentiate the drifts of the two lobes. The first two methods were …