“Evaluación del riesgo Sanitario Ambiental por exposición de arsénico y mercurio presente en los sedimentos del distrito minero Portovelo – Zaruma.”
Since colonial times, the main gold mining activities are in the Southern region of Ecuador. Zaruma - Portovelo zone is the main mining district of the country. It has approximately 200 mining concessions and 80 gold processing plants. Small-scale mining and artisanal mining activities in the area l...
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| Formaat: | bachelorThesis |
| Taal: | spa |
| Gepubliceerd in: |
2017
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| Online toegang: | http://dspace.unach.edu.ec/handle/51000/3776 |
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