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      Evaluación de riesgos de pasivos ambientales mineros en la comunidad de Condoraque - Puno Translated title: Risk assessment of environmental mining liabilities in Condoraque community - Puno

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          Abstract

          Resumen La minería, genera impactos ambientales y sociales no importa donde ocurra. En el pasado generalmente no se realizaba el cierre de las minas y solo se abandonaban; generándose los llamados pasivos ambientales mineros (PAMs). En la Comunidad de Condoraque se encuentra la mina Palca XI, importante productor de tungsteno en el pasado, en la zona existen importantes PAMs que constituyen un riesgo permanente y potencial para las personas, el ambiente y las actividades económicas de la comunidad. El objetivo del proyecto fue la evaluación simplificada de riesgos por contaminación utilizándose la metodología propuesta por Golder Associates. Se identificaron siete PAMs. Los resultados indican que, el drenaje que fluye de la rampa San Marcelo y la infiltración del mismo en la napa freática tiene índices de probabilidad de ocurrencia alto, pero sus consecuencias son: alta con respecto a la vida acuática, moderada con respecto a la vida terrestre, baja con respecto a las personas y despreciable con respecto a la agricultura y la ganadería; El depósito de relaves y el botadero de desmonte presentan un índice de probabilidad de ocurrencia medio y con consecuencias bajas para las personas, el ambiente y las actividades económicas; El bofedal presenta impactos negativos de los efluentes ácidos que han discurrido sobre el mismo proveniente de la laguna Choquene; Los restos de infraestructura presentan ocurrencia y consecuencias bajas, en algunos casos despreciables. Finalmente, se recomienda la evaluación de riesgo detallado con respecto a personas, bofedales, fauna terrestre y acuática y la actividad ganadera de la zona.

          Translated abstract

          Abstract Mining generates environmental and social impacts no matter where it occurs. In the past, mines were generally not closed and only abandoned, generating so-called mining environmental liabilities (PAMs). In the Community of Condoraque is the Palca XI mine, an important producer of tungsten in the past, in the area there are important PAMs that constitute a permanent and potential risk for people, the environment and the economic activities of the community. The objective of the project was the simplified assessment of contamination risks using the methodology proposed by Golder Associates. Seven PAMs were identified. The results indicate that the drainage that flows from the San Marcelo ramp and its infiltration into the water table has high probability of occurrence indices, but its consequences are: The tailings deposit and the waste dump have a medium probability of occurrence index with low consequences for people, the environment and economic activities; The wetlands have negative impacts of acid effluents that have flowed into them from the Choquene lagoon; The infrastructure remains have low occurrence and consequences, in some cases negligible. Finally, a detailed risk assessment is recommended with respect to people, wetlands, terrestrial and aquatic fauna, and livestock activity in the area.

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          Four-thousand-year-old gold artifacts from the Lake Titicaca basin, southern Peru.

          Artifacts of cold-hammered native gold have been discovered in a secure and undisturbed Terminal Archaic burial context at Jiskairumoko, a multicomponent Late Archaic-Early Formative period site in the southwestern Lake Titicaca basin, Peru. The burial dates to 3776 to 3690 carbon-14 years before the present (2155 to 1936 calendar years B.C.), making this the earliest worked gold recovered to date not only from the Andes, but from the Americas as well. This discovery lends support to the hypothesis that the earliest metalworking in the Andes was experimentation with native gold. The presence of gold in a society of low-level food producers undergoing social and economic transformations coincident with the onset of sedentary life is an indicator of possible early social inequality and aggrandizing behavior and further shows that hereditary elites and a societal capacity to create significant agricultural surpluses are not requisite for the emergence of metalworking traditions.
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            Assessment of environmental hazards at abandoned mining sites: A case study in Sardinia, Italy

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              Manual para la evaluación de riesgos de instalaciones de residuos de industrias extractivas cerradas o abandonadas

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                Author and article information

                Journal
                mamym
                Revista de Medio Ambiente y Mineria
                REV. MAMYM
                EDITORIAL UNIVERSITARIA de la Universidad Técnica de Oruro. (Oruro, , Bolivia )
                2519-5352
                December 2019
                : 4
                : 2
                : 43-57
                Affiliations
                [01] orgnameUniversidad Nacional del Altiplano
                [02] orgnameUniversidad Nacional del Altiplano
                Article
                S2519-53522019000200004 S2519-5352(19)00400200004
                d4f6acd8-ec73-4339-9539-b4ac3591e6e8

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 16 September 2019
                : 09 August 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 6, Pages: 15
                Product

                SciELO Bolivia

                Self URI: Texto completo solamente en formato PDF (ES)
                Categories
                ARTÍCULOS

                Environmental liabilities,pollution,risk,mining,Palca XI,Condoraque,Pasivos ambientales mineros,contaminación,riesgo,minería,palca XI

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