Repositorio Digital Sernageomin
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    15512 research outputs found

    Minuta por posibilidad de remoción en masa en condominio Hollstein, ciudad de Osorno, región de Los Lagos

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    Minuta técnica8 p

    Anuario de la Minería de Chile 2021

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    279 p

    Delta size variability at Lake General Carrera, Patagonia

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    Punctuated lake level drops at Lake General Carrera, Chile, over the last ~13 ka are recorded in multiple stacked deltas that differ in scale. Fifteen delta terrace suites are studied to examine the factors that influence deposit morphology. Surprisingly, the pronounced longitudinal precipitation gradient is inversely correlated with the observed variations in delta size. We find the drainage basins with long-term water storage in glaciers are associated with larger deltas. In these cases, the added contribution of rare, high-magnitude ice meltwater release events (> 600 m3/s) is suggested as the differential driver to enhance delta growth. The overall progradation rate is modest (0.2-1 m/yr), and appears to have slowed over time. For the youngest deltas, we estimate the range in the intermittency factor, a dimensionless measure of the frequency of floods, is 1x10-2 to 4x10-5. Our results illustrate the natural variability of delta growth in a small region (<20,000 km2), and better characterize understudied glaciogenic deltas.pp.147-16

    Evaluación de peligro de remoción en masa en un sector de la Reserva Nacional Mocho Choshuenco, comuna de Los Lagos, región de Los Ríos

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    Informe Técnico -- Unidad Ejecutora: Dirección Regional de Los Ríos10 p

    Visita Técnica por deslizamiento en sector de Colcura, Comuna de Lota, Provincia de Concepción, Región del Biobío

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    Revisor: Carolina Jara ; Informe Técnico15 p

    Beatriz Levi Dresner (1930-2022), figura señera de la geología en Chile

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    pp.310-31

    Caracterización gravimétrica del área Concepción-Talcahuano, región del Biobío

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    Informe Registrado IR-22-10031 p

    Descripción geológica de tres alternativas de terrenos para emplazamiento de hospital provincial de Chiloé, comuna de Castro, región de Los Lagos

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    Informe Técnico -- Unidad Ejecutora: Oficina Técnica Puerto Varas18 p

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