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Showing 1 to 20 of 26 for “"grain-size analysis"”.

  1. Características geotécnicas dos depósitos de argila mole do recife a influência da matéria orgânica

    Teixeira, Dilson Corrêa LimaUniversidade Federal do Rio de Janeiro1972

    … natural moisture content, specific gravity and grain size analysis of dark grey to black soft organic clays from subsoil of Recife plain. No previous work has been registred for this region. Samples were treated in two different ways for the identification tests and mineralogical analysis (X-Ray …

    brazil-uerj Repository record

  2. Análise das variações morfodinâmicas por funções ortogonais empíricas - Praia do Flamengo (RJ)

    Cardinale-Araujo, AlineUniversidade Federal do Rio de Janeiro2016

    … Functions). Also, there were performed grain size analysis, coastal circulation cells study, and satellite images analysis to provide complementary data. As a result, it was possible to determine the partitioning of the beach in 3 sectors: Sector I, where prevail beach cusps (P1, P2 and …

    brazil-uerj Repository record

  3. ΜΕΛΕΤΗ ΤΩΝ ΜΟΛΑΣΣΙΚΩΝ ΙΖΗΜΑΤΩΝ ΤΟΥ ΣΧΗΜΑΤΙΣΜΟΥ ΤΣΟΤΥΛΙΟΥ ΤΗΣ ΜΕΣΟΕΛΛΗΝΙΚΗΣ ΑΥΛΑΚΑΣ (ΜΙΚΡΟΠΑΛΑΙΟΝΤΟΛΟΓΙΑ-ΣΤΡΩΜΑΤΟΓΡΑΦΙΑ)

    Φερμέλη, ΓεωργίαΕθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)1987

    … FORAMINIFERA IDENTIFIED AND C) A MINERAL AND GRAIN -SIZE ANALYSIS OF THE SEDIMENTS DISCUSSED. THE RESULTS HAVE BEEN USED TO DRAW CONCLUSIONS REGARDING THE PALEOGEOGRAPHIC EVOLUTION OF THE STUDIED AREA IN THE EARLY MIOCENE. THE SEDIMENTARY SEQUENCES DISTINGUISHED IN THE AREA OF STUDY ARE: A) …

    greece Repository record

  4. Geotechnical characterization of coal refuse for use as a backfill material

    Bowman, Charles H.Virginia Tech1991

    … test, plasticity test (Atterberg's Limits), grain-size analysis, standard Proctor compaction test, falling-head permeability test, and triaxial compression test. Based on the geotechnical properties of the refuse which was sampled, it was determined to be inadequate as a backfill material.

    vt Repository record

  5. Sunkieji metalai Vilniaus miesto sporto aikščių grunte /

    Azaravičius, Donatas,Institutional Repository of Vilnius University2011

    … were calculated for soils classified according grain-size analysis and geological data extracted from the Quaternary geological map of Vilnius. The obtained results revealed that Zn, Pb, Cu, Ag and Sn contaminate soils of some stadiums. The contamination of soils by Zn, Pb and Cu could be …

    vilnius Repository record

  6. Comparison of Breien and Canonball Volcanic Tuffs in Southern North Dakota

    Worden, Anna K.

    … of the Cannonball and Breien Tuffs using grain size analysis, x-ray diffraction, magnetic separation, and grain mount petrographic analysis. </p><p>The Breien and Cannonball Tuffs have few different properties when examined by the unaided eye. By the methods available for this research, …

    nodak Repository record

  7. Geological recognition of abrupt marine invasions in two coastal areas of Portugal

    Costa, PedroDepartment of Geography and Earth Sciences2006

    … used include stratigraphic description, grain size analysis, digital and x-ray photography, magnetic susceptibility, macrofossils analysis, geochemical analysis and 210Pb and Optically Stimulated Luminescence dating. The investigated areas (e.g. Lagoa de Óbidos (Central Portugal) and …

    brunel Repository record

  8. Characterization of Watersheds on Fort Benning Military Reservation: Comparison of Field Data to Watershed Parameters

    Stahl, Melinda Rosetta2015

    … included total suspended solids (TSS) and grain size analysis using the Wolman Pebble Count method. Computer modeling analyzed the watersheds using ArcGIS 9.3 for comparison to physical data. Land use, slope, and soil data were used in a modified revised universal soil loss equation (RUSLE) …

    columbus-state Repository record

  9. Tephra Transport, Sedimentation and Hazards

    Volentik, Alain C. MDigital Commons @ University of South Florida2009

    … and analytical modeling of tephra thickness and grain size data to infer important eruption source parameters (e.g. column height, total mass ejected, total grain size distribution of the deposit). I also use a statistical approach (smoothed bootstrap with replacement method) to assess the …

    usf Repository record

  10. Application of Remote Sensing Techniques for the Study of Neotectonic Deformation, Subsidence and Coastal Processes

    Tirmizi, Syed Osman AliUniversity of Houston2024

    … two sites and collected sediment samples for grain size analysis. Using the UAV data, I quantified the change in terms of elevation, sediment volume, and vegetation cover and performed a risk assessment for each site using a Coastal Vulnerability Index. The results determined overall accretion …

    houston Repository record

  11. Analysis of sintered WC-TIC-6CO by using powder metallurgy process

    Ahmad Shahbudin, Siti NurshahmiraUniversiti Tun Hussein Onn Malaysia2019

    … cobalt (WC-6Co) and titanium carbide (TiC) as grain growth inhibitor while low density polyethylene (LDPE) and palm stearin (PS) were used as a binder system. The sample was prepared by milling process consisting of WC-6Co at different wt. % of TiC (0.5, 0.75 and 1.0) before being mixed with …

    uthm Repository record

  12. Cyclically-Forced Hyperpycnites of the Ancient Colorado River Proximal Prodelta

    Waresak, Sandra R.

    … an average thickness of 12 cm. Sedimentological analysis of the rhythmites reveals the couplets are laterally persistent with gradational to sharp, flat contacts, parallel, wavy, and ripple cross-lamination, and localized internal scours. Notably, grain size analysis performed with laser …

    loma-linda Repository record

  13. Strain Analysis Across the Margins of the Elkahatchee and Coley Creek Plutons, Alabama Eastern Blue Ridge: Implications for the Alexander City Fault

    Roop-Eckart, Kenneth Joel2017

    … fabrics, ductile deformation of feldspar grains, grain size reduction, and changes in mica content at their margins. Geologic mapping in the vicinity of the Coley Creek pluton shows no evidence for a ductile shear zone beyond its margins and thus, is unlikely to be associated with a major …

    columbus-state Repository record

  14. A comparative study of sediment characteristics of Sand River and Nzhelele River in Limpopo Province, South Africa

    Ramadolela, Zwanga2023

    … about its creation and depositional processes, grain size statistics might be used. In order to understand the hydrodynamic conditions, mode of transit, and deposition of detrital sediments, grain size analysis is a dynamic sedimentological tool. Fluvial scientists are particularly interested in …

    venda Repository record

  15. Spatial analysis of blue carbon in a UK Saltmarsh: Implications of carbon distribution.

    Baugh, LLiverpool John Moores University2019

    … included; TOC, TN, LOI, pH, conductivity and grain size analysis. Three silt-dominated marsh zones were defined with an upper high marsh comprising Phragmites australis (Zone 1), a mid-marsh area (Zone 2) with vegetation including Triglochin maritima, Puccinellia sp., and a low marsh area …

    liverpool-jm Repository record

  16. Biogeochemistry and inorganic geochemistry as indicators of the paleoenvironment and paleohydrology of the Al-Azraq Basin, Jordan

    Ahmad, Khaldoun IbrahimUniversity of Missouri--Kansas City2013

    … results from supporting methodologies including: grain size analysis, X-ray diffraction (XRD), and scanning electron microscopy (SEM). Based on the lithology of the core and geochemical data, the core is divided into three main zones: Zone 1 with six subzones; Zone 2 with four subzones; and Zone 3 …

    umkc Repository record

  17. Terrigenous Grain-Size Record of the Newfoundland Ridge Contourite Drift, IODP Site U1411: The First Physical Proxy Record of North Atlantic Abyssal Current Intensity during the Eocene-Oligocene Transition

    Chilton, Kristin DanielleVirginia Tech2016

    … circulation response to the EOT we obtained grain-size data from the terrigenous fraction of the mud-dominated sediments of the Southeast Newfoundland Ridge contourite drift complex at IODP Site U1411, which is interpreted to have formed under the influence of the Deep Western Boundary …

    vt Repository record

  18. Variabilidad espacio-temporal de la porosidad de la arena tras una regeneración de playa

    Román-Sierra, Jorge2014

    … can be described by features such as the pore size, density, porosity, permeability and water content. The bulk density is an indicator of soil compaction, which is related to its porosity and permeability. Beach nourishment features are based on several clues: native and borrow sand quality, …

    cadiz Repository record

  19. A trace element study of sediments from the Olifants River estuary, the Berg River estuary, and the off-shore Mud Belt

    Taylor, ArthurDepartment of Geological Sciences2004

    … and organic carbon using a C:H:N analyzer, and grain size analysis was performed (>62 μm, 38-63 μm, 2-38 μm, <2μm). The mud belt cores were dated using 14C dating. Estuarine surface waters were analyzed for trace elements, pH, dissolved oxygen (DO), electrical conductivity (EC), and temperature. …

    cape-town Repository record

  20. Accumulation of sediment and radionuclides in tidal marshes of the Murderkill River Estuary, Delaware

    Stuart, DackUniversity of Delaware2010

    … density and loss-on-ignition. Additionally, grain-size analysis was conducted to determine the textural composition of sedimentary particles delivered to the marsh. Downcore profiles of the radionuclides 210Pb and 137Cs were used to determine sediment accumulation and marsh accretion rates, …

    udel Repository record

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