Results 21 to 30 of about 56,332 (307)

Effect of weathering product assemblages on Pb bioaccessibility in mine waste: implications for risk management [PDF]

open access: yes, 2013
General assessments of orebody types and associated mine wastes with regards to their environmental signature and human health hazards are needed to help managing present and historical mine waste facilities.
Cave, Mark R.   +3 more
core   +2 more sources

Supplemental Material: Silver isotope and volatile trace element systematics in galena samples from the Iberian Peninsula and the quest for silver sources of Roman coinage

open access: yesGeology, 2021
Method of elemental analyses, a description of the Iberian galena deposits, and Figure S1 (Pb ratios of coins and Iberian galena samples from the various mining provinces).
J. Milot, E. al.
semanticscholar   +1 more source

Contamination of surface waters by mining wastes in the Milluni Valley (Cordillera Real, Bolivia): Mineralogical and hydrological influences [PDF]

open access: yes, 2008
This study is one of very few dealing with mining waste contamination in high altitude, tropical-latitude areas exploited during the last century. Geochemical, mineralogical and hydrological characterizations of potentially harmful elements (PHEs) in ...
Isaure, Marie-Pierre   +3 more
core   +3 more sources

Geophysical investigation of the Pb-Zn deposit of Lontzen-Poppelsberg, Belgium [PDF]

open access: yes, 2018
The drillhole information from the Lontzen-Poppelsberg site has demonstrated three orebodies and has allowed the estimation of the extension of the lodes, their dip, and the location at the ground surface.
Chouteau, Michel   +6 more
core   +5 more sources

Mineralogy and distribution of critical elements in the Sn–W–Pb–Ag–Zn Huanuni deposit, Bolivia [PDF]

open access: yes, 2019
The polymetallic Huanuni deposit, a world-class tin deposit, is part of the Bolivian tin belt. As a likely case for a “mesothermal” or transitional deposit between epithermal and porphyry Sn types (or shallow porphyry Sn), it represents a case that ...
Alfonso, Pura   +12 more
core   +2 more sources

Application of Mixed Potential Theory to Leaching of Mineral Phases

open access: yesReactions, 2022
Leaching is a central unit operation in the hydrometallurgical processing of minerals, which often occurs by means of electrochemical reactions. Application of mixed potential theory to explain the kinetics of oxidative and reductive leaching processes ...
César A. C. Sequeira
doaj   +1 more source

Jarosite versus Soluble Iron-Sulfate Formation and Their Role in Acid Mine Drainage Formation at the Pan de Azúcar Mine Tailings (Zn-Pb-Ag), NW Argentina [PDF]

open access: yes, 2014
Secondary jarosite and water-soluble iron-sulfate minerals control the composition of acid mine waters formed by the oxidation of sulfide in tailings impoundments at the (Zn-Pb-Ag) Pan de Azúcar mine located in the Pozuelos Lagoon Basin (semi-arid ...
Alicia Kirschbaum   +5 more
core   +3 more sources

MWP-fit: a program for multiple whole-profile fitting of diffraction peak profiles by ab initio theoretical functions [PDF]

open access: yes, 2001
A computer program has been developed for the determination of micro-structural parameters from diffraction profiles of materials with cubic or hexagonal crystal lattices.
Gubicza, Jenő   +2 more
core   +1 more source

Aspectos del yacimiento de caliza en la Hoya del cobre en el páramo de Sumapaz, al sur de Bogotá

open access: yesBoletín Geológico, 1953
De acuerdo con el deseo del Gobierno Nacional de integrar la región de Sumapaz a la economía capitalina, se están tomando medidas para darla a conocer más a fondo, sobre la base de un levantamiento aerofotogramétrico que depende de la utilización de ...
Roberto Wokittet
doaj   +1 more source

Genesis of Pb-Zn-Cu-Ag Deposits within Permian Carboniferous-Carbonate Rocks in Madina Regency, North Sumatra

open access: yesIndonesian Journal on Geoscience, 2015
DOI:10.17014/ijog.2.3.167-184Strong mineralized carbonate rock-bearing Pb-Zn-Cu-Ag-(Au) ores are well exposed on the Latong River area, Madina Regency, North Sumatra Province.
Bhakti Hamonangan Harahap   +3 more
doaj   +1 more source

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