Complex projects and tasks demand integrative solutions based on a broad spectrum of experience. This conviction has systematically characterised our method of working.
We involve participants and affected parties in all projects. We take all boundary conditions into account and address all the possible alternatives.

Geological Engineering for a Feasibility Study, Angostura Gold-Silver Mining Project

Project objectives

Comprehensive geological-geotechnical and hydrogeological investigations were required for the design of the crushing site and the mine plant – located at an elevation of up to 3,700 m – of the Angostura gold-silver mine in Colombia.
During the feasibility study additional geological-geotechnical works were carried out in order to optimise the geotechnical design of the open pit.

Client

Location

Colombia

Duration

2009 – 2011

Services

Geological-geotechnical investigations, geotechnical design

Project description

The services of iC comprised:
– Review of the geotechnical works performed so far
– Geological-geotechnical mapping
– Geological-geotechnical mapping of drill cores and test trenches
– Sampling for rock and soil mechanical lab tests
– Supervision of in situ tests
– Elaboration of geological-geotechnical ground model of the entire area

Project data

The Angostura project ranks among the largest precious metal mining projects of the Northern Andes. A daily amount of some 70,000 tons of ore are to be mined over a scheduled period of 15 years.

Project specifics

– Detailed field work up to 3,700 m altitude
– Creation of several design variants due to restricted topographic conditions
– Interdisciplinary cooperation of team members from 9 different countries (3 continents)

Services iC

Geological-geotechnical investigations; expert opinion in the scope of the feasibility study; geotechnical design of the open pit. The services were rendered in cooperation with GeoBlast S.A. and Schlumberger Water Services (both located in Chile).

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