Metals
Metals continue to be the mainstay of the extractive minerals industry and an important sector of the exploration business. ACA Howe staff have extensive experience of all phases of the exploration, development and evaluation of metallic mineral deposits in many different geographic locations and geological environments, as illustrated by the following examples:
Copper, lead, zinc, molybdenum, cobalt
Europe
- Exploration programme for base metals throughout UK and exploration programmes in the Pennine Orefield and the Central Wales Mining Field
- Geological modelling, structural interpretation and assessment of sedimentary exhalative lead-zinc-barite mineralisation in the Dalradian of Scotland
- Gravity surveys and diamond drilling supervision of massive sulphide deposits in the Iberian Pyrite Belt
- Due diligence geological review and ore reserve estimation of operating base metal mines in Spain
- Due diligence geological review and ore reserve estimation of operating base metal mines in Bulgaria
- Feasibility study of copper project and due diligence on base metal replacement deposits and copper porphyry systems in Romania
Asia
- Due diligence geological review of copper porphyry systems and volcanogenic massive sulphide deposits in Turkey
- Due diligence study and Competent Person Report on a large molybdenum deposit in Kazakhstan
Canada and USA
- Exploration management of a number of base metal projects throughout Ontario and Quebec
- Geological evaluation and mining engineering assessment of porphyry molybdenum deposits in Canada
- Project conception, project management, reserve calculation, pre-feasibility study and mining plan for a copper sulphide deposit in Michigan
- Pre-feasibility study on porphyry copper deposit in Nevada
- Geological evaluation and mining engineering assessment of porphyry copper deposits in Nevada
Mexico and South America
- Pre-feasibility study on porphyry copper deposit in Mexico
- Geological review and check sampling of skarn-hosted copper deposit in Ecuador
- Geological and reserve studies of major lead-zinc-silver vein mine in Bolivia
- Geological evaluation and mining engineering assessment of porphyry copper deposits in Chile
- Pre-feasibility study on porphyry copper deposit in Chile
- Due diligence of shear-hosted vein copper deposits in Chile
- Review of copper porphyry deposits in Chile
- Due diligence of major replacement copper deposits in Chile
- Due diligence and resource estimation of replacement copper deposits in Argentina
- Appraisal of porphyry copper deposits and associated base metal vein systems in Argentina
Africa
- Advice to Government on exploration methodology for base metals in Ethiopia
- Multidisciplinary due diligence study of some active copper-cobalt mines and prospects in Zambia
- Geological and reserve study of lead-zinc mine in Morocco
Philippines
- Evaluation of porphyry copper deposits in The Philippines
- Due diligence of zoned epithermal vein and associated copper porphyry systems in The Philippines
Nickel
- Investigation of lateritic nickel deposits in Burundi
- Investigation of sulphidic nickel deposits in Australia
Tin
- Independent geological assessment and reserve audit of two operating tin mines in England
- Due diligence study of an operating tin mine in Tasmania
Iron ore
- Multidisciplinary due diligence study of some inactive iron ore mines in Sweden
Chromium
- Geological exploration and resource estimation at an operating metallurgical grade chromite mine in Iran
Titanium
- Geological review and resource estimation of mineral sands deposits in marine Cretaceous palaeo-placers in Russia
- Resource assessments of alluvial deposits and tailings with ilmenite and rutile in Sierra Leone
Polymetallic deposits
- Mine valuation and reserve audits of several polymetallic orebodies in Canada
Strategic metals
- Exploration programme for strategic minerals in Europe
- Exploration programme for strategic metals throughout UK