Geochemistry

Author(s): 
A Watson, C Linklater, J Chapman and R Marton
Category: 
Geochemistry

Closure options under consideration at some iron ore mine sites in Western Australia include backfilling with mineralised and/or non-mineralised waste rock. Post-closure, following groundwater rebound, flow-through conditions may develop in the backfill located within the saturated zone below Read more... about Weathered Sulfidic Waste – Laboratory-Scale Tests for Assessing Water Quality in Backfilled Pits

Author(s): 
C Linklater, A Watson, A Hendry, J Chapman, J Crosbie and P Defferrard
Category: 
Geochemistry

The Century open cut zinc mine at Lawn Hill recently changed ownership from MMG Limited (MMG) to New Century Resources (NCR). Closure planning for the site was initiated by Zinifex, developed further by MMG, and is continuing under the new ownership. The waste rock dumps will be covered with a Read more... about Pit Lake Water Quality Modelling at Century Mine

Author(s): 
Osvaldo Aduvire
Category: 
Water Management

Characterization of acid mine water by acidity helps us explore possibilities for recovering by-products with economic value and choosing the most suitable and efficient treatment system possible. This is because characterization by acidity allows us to ascertain not only protonic acidity, but Read more... about Acid Mine Water Treatment With Recovery Of By-Products Of Economic Value

Author(s): 
Chris Kennedy, Stephen Day, C.D. Anglin
Category: 
Mine Waste

To support remedial decisions for the Tailings Storage Facility breach at the Mount Polley Mine (MPM), a geochemical characterization program assessing the metal leaching and acid rock drainage potential of the tailings and other materials released into Polley Lake, Hazeltine Creek, and Quesnel Read more... about Geochemistry of Tailings from the Mount Polley Mine, British Columbia

Author(s): 
Alex Watson, Claire Linklater and John Chapman
Category: 
Geochemistry, Water Management

Closure options under consideration at some sites include backfilling mined-out pits with waste rock. Backfill may include mineralised and non-mineralised waste rock. Following groundwater rebound, flow-through conditions may develop in the pit post- closure. The backfill located in the Read more... about Backfilled Pits – Laboratory-scale Tests for Assessing Impacts on Groundwater Quality

Author(s): 
Danny Kentwell, Andrew Garvie and Claire Linklater
Category: 
Geochemistry

Various Australian and international regulatory bodies (Environmental Protection Authority, 2015) require an early assessment of the geochemistry of waste rock. This usually includes estimates of the locations and volumes of potentially acid-forming (PAF) materials and requires sampling of the Read more... about Geostatistics and Sample Numbers from an Acid and Metalliferous Drainage Perspective

Author(s): 
Mathieu Lacorde, Cherie Leeden and Regina Molloy
Category: 
Geology, Geochemistry

Over 150 sediment-hosted Pb-Zn-Cu and Ba occurrences are identified in Gabon along the contact between the Mesozoic to recent sedimentary Coastal Basin and the Archaean to Paleoproterozoic Kimezian basement of the West Congo Belt [1].  These occurrences were first described in the 1930s and Read more... about Geochemical characterisation of Pb‐Zn‐Cu and Ba mineralisation in the Lower Cretaceous sediments of the Coastal Basin, Gabon, Central Africa

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