http://qspace.library.queensu.ca:80/jspui The QSpace digital repository system captures, stores, indexes, preserves, and distributes digital research material. Mon, 20 May 2013 05:40:31 GMT 2013-05-20T05:40:31Z http://hdl.handle.net/1974/8030 Title: Programming and Services for Youth in North Kingston Parks: A Community Assessment Authors: Jamal, Shairoz Abstract: This study addresses the programming and service needs of children and youth in the Rideau Heights and Marker’s Acres neighbourhoods of Kingston, Ontario. A brief document review of community needs and assets showed that while these neighbourhoods have experienced issues such as social conflict and geographic isolation, they also have strong networks, abundant green space, and community leaders who are committed to improving the area. This is particularly important for the provision of services to children and youth, because they tend to be influenced by the neighbourhoods in which they live. An inventory of parks and community organizations serving youth provided an overview of the physical and organizational assets that exist within the study area, as well as potential organizations that can be partnered with in the future to improve service delivery for youth. Finally, interviews with key informants confirmed the results of the document review and inventories and provided additional context on programming and services for youth in Rideau Heights and Marker’s Acres, particularly factors that prevent youth from participating in programs. Key directions for moving forward include promoting partnerships between the City of Kingston and other service providers, strategically locating youth facilities near parks, and involving youth in program development. Wed, 15 May 2013 04:00:00 GMT http://hdl.handle.net/1974/8030 2013-05-15T04:00:00Z http://hdl.handle.net/1974/8029 Title: Assessing the Bicycle Compatibility of Princess Street in Kingston, Ontario: Evaluating the Physical Environment and Roadway Characteristics of the Street Authors: Talarico, Marisa Abstract: The objective of this report is to assess the physical attributes of the street and streetscape, quality of design and the general built environment on Princess Street and how these elements contribute to making the street compatible with cycling. Wed, 15 May 2013 04:00:00 GMT http://hdl.handle.net/1974/8029 2013-05-15T04:00:00Z http://hdl.handle.net/1974/8028 Title: Environmental Change in Middle Ordovician carbonates near Little Cataraqui Creek Conservation Area, Kingston ON Authors: Shuster, Sonya Abstract: The Black River Group is a carbonate succession in southern Ontario and northern New York State that was deposited in the Middle Ordovician. The rocks of this Group accumulated in a tropical shallow marine environment. The focus of this study is a 16m succession, exposed in a road cut north of Kingston, Ontario. The section is divided into three main zones. The bottom 10m consists primarily of carbonate mudstones with some calcite nodules and a sparse and highly restricted fossil assemblage of mainly salinity tolerant invertebrates such as ostracods. These rocks are interpreted as being a series of primarily peritidal deposits that were generally stressed and hypersaline. The next 2m is primarily an ooid grainstone, with and without fossils. It is interpreted as having been deposited in a sand shoal. The upper 4m consists primarily of floatstones with a lime-mud or fossil-wackestone matrix as well as some oolites and contains an abundant and diverse fossil assemblage that includes stenohaline organisms such as echinoderms and articulate brachiopods. The upper part is interpreted as being deeper water within the photic zone and contains an ooid sand shoal and a bryozoan biostrome, among other facies. This upper part is generally less stressed and had normal marine salinity. The deepening-upwards trend observed in this outcrop is consistent with the Black River Group as a whole, and is generally regarded as reflecting the regional sea level rise that was occurring at this time due to the passing of the peripheral bulge. Tue, 14 May 2013 04:00:00 GMT http://hdl.handle.net/1974/8028 2013-05-14T04:00:00Z http://hdl.handle.net/1974/8027 Title: Stable Thallium Isotope Fractionation in Uraninites Authors: Tupper, Wynn Abstract: Thallium isotopic ratios, (ε205Tl = 205Tl/203Tl deviation from a reference ratio) are measured in uraninite samples representative of diverse geochemical systems responsible for high grade UO2 precipitation. Notably those deposit styles involve from the reduction of uranium complexes in aqueous solutions, and uraninite precipitation from saline fluids. Measureable isotopic fractionation, ε205Tl, must produce a result that exceeds analytical reference error. Thallium isotopic ratios are obtained by multiple collector-inductively coupled plasma mass spectrometry (MC-ICP-MS). For reliable MC-ICP-MS results require that thallium is extracted entirely from the mineral sample. Digestion of uraninite samples is a series of acid digestions, and consequent thallium separation from ion exchange chromatography conducted by acids with minor (~2%) concentrations of oxidizing agents, such as Br2, to disable ion reduction. Separation of Thallium is done in correspondence with molybdenum separation for a separate study on Mo isotopic ratios. Thallium is sensitive to oxidation changes in fluids. Further, the sampled deposit styles display a spectrum of oxidation conditions, solution compositions, temperatures and pressures, theoretically yielding various detectable ε205Tl values. Data for eight samples are produced, where all ε205Tl are negative relative to NIST, the most negative being -5.5 and the least being -0.7. Correlations with various multi-element data, 234U/238U, 235U/238U, and deposit chemistry are graphed to assess the ability to predict ε205Tl. It appears that ε205Tl data is negatively correlated which uranium and thallium concentration, as well as Fe+Mn concentration in. The explanation of this is the ability of thallium to be present as a trivalent ion within basinal high temperature alkaline solutions, those fluids associated with unconformity related deposit types. However, an alternate explanation is that the depletion of thallium correlated to alteration and subsequent interaction of uraninites by fluids after genesis that result in ε205Tl values near 0 at such low concentrations of thallium. Description: Thallium isotope geochemistry Wed, 08 May 2013 04:00:00 GMT http://hdl.handle.net/1974/8027 2013-05-08T04:00:00Z