A multi-disciplinary, high resolution, geophysical investigation of a Scottish Sea loch has facilitated both the reconstruction of a detailed late Quaternary para-stratigraphic model and the critical assessment of the acquisition and analytical methodologies most appropriate for the study of submerged palaeo-glaciomarine environments. Loch Ainort, situated on the eastern coast of the Isle of Skye, has been surveyed using a 192 kHz echosounder, a 400 kHz side scan sonar and a 3.5 kHz sub-bottom profiler. Lithological calibration was provided by the analysis of both in situ core data and extant terrestrial data sets. It is proposed that for the effective reconstruction of these and any other nearshore palaeo-environments a multi-disciplinary geophysical approach is essential. The critical control on success is the adherence, during interpretation, to a single unifying seismo-analytical framework. The seismo-stratigraphical analysis technique has been adapted for high- resolution work in order to provide this rigid framework. Objective descriptive analysis of the seismic traces provides a "seismic para-stratigraphy" which when combined with lithological data is used to construct a "composite para-stratigraphy". This is a process based, litho-stratigraphic interpretation that, by virtue of the detailed spatial extent afforded it by geophysical data, can be placed in a wider environmental context. The composite para-stratigraphy for the Loch Ainort basin is dominated by Loch Lomond Stadial glacial activity. Terminal and readvance limits are identified at several localities within the basin. Variable morphological styles of the glacial sequences show that deglaciation occurred in two distinct, climatically controlled, phases. The first marked by a fluctuating ice margin and the second by uninterrupted retreat and in situ ice stagnation. Sub-aerially induced debris flows occur during the initial paraglacial phase but stabilisation of exposed slopes restricts this input and rapid sedimentation of fines from sediment-rich meltwaters becomes dominant. Modern fjordic sedimentation develops after the disappearance of glacier ice.

Part one (also issued separately)--is S.G. Bergquist's Thesis (Ph. D.) University of Michigan. / "Published as part of the annual report of the Geological Survey Division for 1936." Bibliography: p. [139]-140, 218-219, [255]-256.

Part one (also issued separately)--is S.G. Bergquist's Thesis (Ph. D.) University of Michigan. / "Published as part of the annual report of the Geological Survey Division for 1936." Bibliography: p. [139]-140, 218-219, [255]-256.

Part 1 is Glenn Charles Tague's Thesis (Ph. D.)--University of Michigan; part 2 is James Lewis Calver's thesis (Ph. D.) University of Michigan. / "Published as part of the annual report of the Geological Survey Division for 1946." Includes bibliographical references (p. 80, 68).

Thesis--University of Colorado. / Includes bibliographical references (p. [291]-304).

Thesis (M.S.)--University of Wisconsin--Madison, 1967. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.

Moon Island, one of 180 drumlins in the Boston, Massachusetts area, is composed of a compact, clayey till with the southeastern slope of the drumlin forming a cliff caused by marine erosion. Samples of pebbles from the cliff-face and drumlin surface show horizontal stratification of till units that are differentiated by pebble size. The stratification is interpreted as evidence that the drumlin was formed in two stages: (1) one or more ice advances or surges which deposited the size-distinctive till layers. Stratigraphic variation of pebble lithologies in the till indicates that the till layers were probably deposited by at least two different ice lobes, and (2) an ice advance which carved the drumlin form without distorting or reshaping the horizontal till layers.Ball State UniversityMuncie, IN 47306

Thesis (MS)--Montana State University--Bozeman, 2008. / Typescript. Chairperson, Graduate Committee: Mark L. Skidmore. Includes bibliographical references.

The upland soils of Randolph County, Indiana were studied for the following purposes: to provide an additional characterization of these soils, to identify a set of soil parameters that could delineate the extent of Late Wisconsinan glaciation in that county and to determine if there were any geographic trends in silt cap thickness. The study was prompted from observations by the recent Randolph County Soil Survey team that high clay content soils commonly associated with the county's Late Wisconsinan till (Lagro Formation) were found south of its previously mapped boundary.The only soil parameters that were effective in mapping the extent of Late Wisconsinan glaciation were: particle size analyses and some combinations of particle size analysis data with other soil parameters. The data support the previously mapped boundary of the Late Wisconsinan sediments in Randolph County, Indiana.Silt cap thickness was identified to be greatest in three areas of the county. However, the source(s) of these silts could not be determined. / Department of Geology

A palaeoenvironmental record for the Wisconsin Later Glacial is provided from ten sites in the Magellan Region, southern Chile. Palynological and lithostratigraphical evidence provided by the sites was correlated with other palaeoenvironmental data from the Magellan region using ¹⁴C dating and tephrochronology. This enabled the construction of a regional record of environmental change that was compared with records in northern Patagonia and the Southern Hemisphere. Deglaciation of the Strait of Magellan began sometime before 16,590 yrs BP. A large Late Glacial ice advance believed to have occurred in the Strait of Magellan and contemporary with ice advances in northern Patagonia (c. 15,000-14,000 yrs BP) is not compatible with the ¹⁴C dating evidence. However, a Late Glacial ice advance along the Strait of Magellan was indicated by the glaciotectonic deformation of, and deposition of glaciolacustrine sediments above the Volcan Reclus tephra layer. Eight ¹⁴C dates provided the mean age estimate of 12,010±55 yrs BP for the deposition of the tephra. The erosion of a raised beach into the glaciolacustrine sediments after 7,950±60yrs BP provided the minimum age for the ice advance. Palynological evidence suggested that cold climatic conditions prevailed throughout the Wisconsin Late Glacial. The dominance of eurythermic pollen taxa, components of Patagonian steppe and glacial tundra vegetation, makes it difficult to infer a detailed climatic signal for the Wisconsin Late Glacial. However, a probable climatic deterioration occurred between c. 15,850-14,900 yrs BP. This may have been contemporary with an ice advance in northern Patagonia. A controversial climatic cooling correlated to the Northern Hemisphere Younger Dryas was not evident in the pollen record. The expansion of <I>Nothofagus</I> forest at c. 10,000 yrs BP indicated a change to a warmer environment contemporary with an intense arid phase. Therefore, it is likely that the large Late Glacial ice advance in the Strait of Magellan occurred between c. 12,000-10,000 yrs BP.