36 research outputs found

    A Gis Investigation of Regional Geologic Controls on Mercury Deposits in the Southwest Region of Arkansas

    Get PDF
    The mercury district of southwest Arkansas, located within Clark, Pike, and Howard counties, contains 77 mapped mercury deposits, primarily in the form of cinnabar, found within the sandstones and shales of the Stanley and Jackfork Formations. The geographic locations of the majority of the deposits tend to form an east-northeast alignment in map view. Utilization of Geographic Information Systems (GIS) tools provided insight to the regional controls on the spatial distribution of the mercury deposits by examining the proposed relationships between mercury deposits and regional faults or changes in lithology, both of which have been suggested (Clardy and Bush, 1976) to explain the narrow band of permissive host rock for the deposits. GIS was used to determine which mode of deposition (structural features or lithologic changes) better explains the linear depositional pattern of mercuric minerals within the region by examining which potential control mechanism is closer to the deposit locations. The goal was accomplished by mapping the regional thrust faults and changes in lithology at an appropriate scale. Lithologic units were mapped using decision tree learning methods and a methodology, developed by Belt and Paxton (2005), dependant on topographic attributes unique to each rock type. A composite map of the changes in lithology, regional thrust faulting, and the deposits themselves were used to determine which of the suggested relationships exerts more control on the placement of the deposits by being physically closer. Investigation revealed that the faulting is the most controlling feature, on average, and that a regional variation in controlling mechanism exists. Within regions dominated by sandstone, contacts are the more controlling feature. Within shale dominated regions, the faults are the prevailing control feature

    Focusing for a change: a study of Experiential Focusing and the processes that lead to personal growth.

    No full text
    This study arose in the light of theoretical and practical criticisms of Focusing and Focusing-oriented Therapy. It evaluates and develops the theory of Focusing and Focusing-oriented Therapy as an integrative approach to therapy and explores the process of personal growth for individuals within therapy and Focusing partnerships. It then develops the teaching and learning model for counsellor education. The thesis examines the theory and practice of Focusing and of Focusing-oriented Therapy since its inception and other therapeutic disciplines such as mindfulness-based interventions. It explores the experiences of people learning Focusing and Focusing-oriented Therapy within the context of professional training in counselling. Review and analysis of the literature suggested that Focusing should be re-described as a process of attending to, symbolising and exploring a range of human responses to life events and that the different techniques of Focusing-oriented Therapy should be understood as different facets of that core endeavour. A comparison with Emotion-focused Therapy, Mindfulness-based interventions and Acceptance and Commitment Therapy suggested that radical acceptance of emotion, cognition and bodily experiences is a key part of what Focusing and Focusing-oriented Therapy offer. The thesis examined the range of techniques and strategies that feature in psychotherapy and recommended that emotion, cognition and behaviour should be experienced and understood as interrelated aspects of the human person. An Interpretative Phenomenological Analytical approach (IPA) was adopted. The research involved the participation of 11 former counselling students from a British university who had participated in a training programme in Focusing and in Focusing partnerships. Data was collected through the method of audio-recorded semi structured interviews over a period of 9 months. It is presented in the form of super-ordinate themes that capture research participants’ insights and correlate these with the research aims of the study. The thesis concludes that Focusing and Focusing-oriented Therapy can be disseminated as a plurality of change processes that integrate emotion, cognition and behavioural change within the human person and that therapy training programmes can usefully incorporate the key lessons from the study. Indeed, the thesis proposes that Focusing should feature as a core part of the professional skills training for counsellors and psychotherapists as well as an aspect of the personal development aspect of their training

    HRP-CP: heat removal from a proposed hydroclone underflow pot geometry for a volume heat source /

    No full text
    "October 5, 1955 ; Work performed under Contract no. W-7405-Eng-26"Mode of access: Internet.This bibliographic record is available under the Creative Commons CC0 public domain dedication. The University of Florida Libraries, as creator of this bibliographic record, has waived all rights to it worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law

    Transblepharoplasty brow suspension with a biodegradable fixation device.

    No full text
    BACKGROUND: Brow droop, eyelid tissue excess, and hyperfunction of the muscles of forehead facial expression may contribute to the aging diathesis of the upper one-third of the face. Many approaches to the brow have been described, including coronal or pretricheal incisions, direct incision of the suprabrow or forehead, and endoscopic techniques. A less frequent technique, the transblepharoplasty browlift (TBBL), has a role in rejuvenating brow position, especially in patients in whom both the eyelids and brows need to be addressed. The Endotine forehead device has been reported to increase speed and ease in providing operative support to the brows, but little has been written about its function with the TBBL approach. OBJECTIVES: The authors describe their results with Endotine brow fixation for browlift through a TBBL approach. METHODS: Between November 2005 and January 2008, 20 patients presented to the senior author (PRL) for browlift and were treated with a TBBL approach and placement of the Endotine device in one of three sizes (3 mm, 3.5 mm, or 4 mm). The surgeon completed an operative questionnaire immediately postoperatively, as well as a satisfaction questionnaire at one and three months postoperatively. Nineteen of the 20 patients were followed up also completed satisfaction questionnaires at one and three postoperative months. The results were tabulated to assess the safety and efficacy of the Endotine device. RESULTS: A 3-mm Endotine browlift device was placed in most patients (13; 68%). The surgeon was satisfied with the performance of the Endotine device, its ease of insertion, and the fixation provided in all cases. The Endotine was always palpable under the skin but visible in only roughly half of patients. At one month, 5% of the fixations were judged by the surgeon to be fair in appearance; the remainder of cases were satisfactory or better. At three months, all fixations were judged as satisfactory or better. Patients reported being very satisfied with the results of the surgery initially (53%), and satisfaction improved with time (74%). After three months, 79% of patients would recommend the procedure to others, an increase from 63% after one month. CONCLUSIONS: The Endotine device provides an effective lift for the brows, allows for easy repositioning, and is much quicker to apply than the sutures placed in a traditional browlift
    corecore