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Showing 1 to 20 of 20 for “"Surficial Geology"”.
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Surficial geology of the Boston basin, Ma.
Thesis (M. S.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1987.
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A surficial geology map of Quincy, Massachusetts
… Institute of Technology, Department of Geology and Geophysics, 1964
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Surficial geology of northern Griggs County, North Dakota
<p> Griggs County, situated in the Western Lake section of the Central Lowland province, covers an area of 720 square miles in east-central North Dakota. The surface of the county is mantled with three, or possibly four Pleistocene drift sheets, separated by outwash deposits. These drift sheets lie …
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Surficial Geology of the Vermilion Area, Alberta, Canada
Made available in DSpace on 2014-12-04T19:14:02Z (GMT). No. of bitstreams: 1 6101610.pdf: 6536102 bytes, checksum: 8abb0cbe79b75cb8f5928fa54d976b89 (MD5) Previous issue date: 1961
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The surficial geology of southern Logan County, North Dakota
<p>Southern Logan County, North Dakota, was glaciated at least three different times during the Pleistocene epoch. Scattered patches of highly weathered iron-cemented drift found in the area of eroded Cretaceous bedrock in southwest-era Logan County are very possibly pre-Wisconsinan in age. Two …
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Surficial Geology of the Elbow - Outlook Area, Saskatchewan, Canada
Made available in DSpace on 2014-12-04T19:13:57Z (GMT). No. of bitstreams: 1 6003993.pdf: 6643430 bytes, checksum: e3728f88e3f4f11d00c3523fc5ca95b3 (MD5) Previous issue date: 1960
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The surficial geology of north-central Kidder County, North Dakota
<p>Kidder County is situated in central North Dakota within the glaciated Missouri Plateau. Rocks underlying the drift range from Cretaceous (Pierre formation) through Palocene (Tongue River formation) in age. The Pierre and Fox Hills formations constitute the majority of the pre-Pleistocene …
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Surficial geology of the southern half of Griggs County, North Dakota
<p>The southern half of Griggs County, in east-central North Dakota, lies entirely within the Young Drift section of the Central Lowlands physiographic province and is characterized by its undulating surface and nonintegrated drainage. The Kensel, Cooperstown, and Luverne phase of a Late …
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Bedrock and surficial geology of the southern half of the Montezuma 7.5' quadrangle, central Colorado Front Range, Colorado, USA
… younger brittle structures and Quaternary surficial deposits in the area were mapped and analyzed. The main metamorphic lithologies in the study area are Paleoproterozoic biotite-sillimanite gneiss/schist, biotite-quartz gneiss/schist, and hornblende gneiss. These are intruded by …
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On the ecology of Acer circinatum Pursh: a study of factors that affect the distribution of a small hardwood tree within oldgrowth forests in southwestern British Columbia, Canada
… of southwest British Columbia. The influence of surficial geology, light availability, ground water levels, aspects of the microtopography and of vine maple persistence, priority effects and layering on the distribution pattern of vine maple within oldgrowth stands was investigated in this study. …
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Soil-Geomorphology and Soil-Stratigraphy in the Lower Pomme De Terre River Valley, Southwestern Missouri
During the years 1962 to 1977, studies of surficial geology and soil geomorphology in the Breshears Bottoms along the lower Pomme de Terre River, Southwestern Missouri, produced models of erosion, deposition and soil-stratigraphy. These studies chronicle events that began prior to 50,000 …
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Characterizing Hydrological Balance and Hydrochemistry of a Chronosequence of Newly Formed Wetlands within the Athabasca Oil Sands Region using Isotopic and Geochemical Tracers
… using saline-sodic materials present in both surficial geology and residual tailings, affecting wetlands constructed or naturally (“opportunistically”) forming within reclaimed landscapes. Newly-forming wetlands’ hydrological properties and ecological trajectories are poorly known. As part of …
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Erosional history of the New River, southern Appalachians, Virginia
… and Ridge Province is covered by a veneer of surficial deposits classified as alluvium, colluvium, and residuum. In this investigation the surficial geology of a 60-km<sup>2</sup> area of the New River drainage system was mapped at a scale of 1:24,000. The area is located within the Eggleston …
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Remote sensing of recent changes in permafrost-influenced wetlands
… such as coincident permafrost and surficial geology. As the Arctic continues to warm, a continued observation of thermokarst lake evolution over both broad landscapes and localised regions will be increasingly valuable to future studies that investigate the resulting transformation …
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Hydrological and Hydrochemical Responses From Thawing Permafrost in the Canadian Arctic
… by geomorphic factors such as elevation, surficial geology and landscape history. Highly localized factors that control drainage (e.g., ground ice content and soil texture) appear to influence the solute storage patterns in ground ice. Low elevation coastal areas may be more at risk to …
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Pleistocene geology of the Comstock-Sebeka area, west-central Minnesota
<p>This study is a reconnaissance of the surficial geology and a reconstruction of the late Cenozoic history of an area in westcentral Minnesota. The study area extends eastward from the Comstock area (14 miles south of Moorhead, Minnesota) in the Red River Valley to the Sebeka area (13 miles north …
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A Framework for Evaluating Thaw Settlement in Permafrost Regions
… geotechnical factors such as ground ice content, surficial geology, and bedrock type. TSPI is designed for use with regional-scale datasets typically available in desktop studies. Building on TSPI, the Thaw Settlement Hazard Index (ITSH) was introduced as a regional-scale hazard assessment tool …
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Glacial stratigraphy of northwestern Cass County, North Dakota
… the glacial history of the area.</p> <p>The surficial geology of the area was interpreted as: 1) collapsed glacial sediment, 2) glacial sediment draped over pre-existing glaciolacustrine topography, 3) proglacia1 lake sediment, 4) wave-eroded glacial and lake sediments and 5) recent river …
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Seismic hazard assessment in Central Asia
… significantly over short distances due to local surficial geology, it is important to consider locally estimated site effects in seismic hazard assessment. Under the GSHAP project carried out in 1992-1999, seismic hazard was calculated at a global scale, including Central Asia. However, an update …
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Analysis of Model-driven vs. Data-driven Approaches to Engaging Student Learning in Introductory Geoscience Laboratories
… created two introductory undergraduate physical geology lab modules for calculating plate motion. One engages students with a model-driven approach using contrived data. Students are taught a descriptive model and work with a set of contrived data that supports the model. The other lab exercise …