Terra PretiosaTerra Pretiosa
FR
Two steel sieve pans on red laterite ground: coarse gravel in one, fine sand in the other.

01 — The material

Human civilization depends on the ground and subsoil

It starts with a representative sample

An assay result is worth exactly what the test portion behind it is worth. Drying, crushing, grinding, homogenisation: reliability is decided here, before any instrument is switched on.

Explore services
A gloved hand holds a tube of turbid water drawn from a forest-edged lake.

02 — The measurement

We measure the water before we talk about it

Surface and groundwater monitoring, effluents, acid mine drainage. Thresholds matched to each use and each site, with compliance reporting that stands up in front of a regulator.

Barcoded sample tubes beside sheets of barcode labels, on a black background.

03 — The traceability

Every sample carries its identity

Documented chain of custody, blanks, duplicates and certified reference materials. Without traceability, a figure is only an opinion with a decimal point.

A photograph in two halves: on the left, orange acidic water and bare earth scattered with dead trees; on the right, young plants, some still in their pots, set out in rows on dark soil up to the forest edge.

04 — The rehabilitation

Putting the ground back starts here

Liability assessment, stabilisation, phased revegetation. The work does not end the day extraction stops — that is the day it begins.

4

Service Domains

17+

Specialized Services

FR·EN

Service Languages

Integrated mining and mineral-resources offering

Integrated mining and mineral-resources offering

Testing and analysis, training, environmental performance, and governance advisory combined in one delivery model.

Browse categories
An international presence

An international presence

We work alongside producing states and industrial operators, on site and remotely, adapting our teams to the constraints of each jurisdiction.

See our presence
Industrial sovereignty and durable prosperity

Industrial sovereignty and durable prosperity

Our ambition is to help transform natural resources into drivers of economic development, industrial sovereignty, and macroeconomic stability.

Read our ambitions
SERVICES

SERVICES

Explore our intervention areas to structure, secure, and accelerate mining and environmental operations.

Core expertise

Core expertise

A selection of high-value services for demanding mining missions.

Rock Fragmentation

Rock Fragmentation

Optimization of fragmentation parameters to improve mineral liberation and downstream performance.

Learn more
Sample Preparation

Sample Preparation

Standardized preparation chain to ensure representativeness and reduce analytical bias.

Learn more
Continuous Improvement

Continuous Improvement

Lean, SPC, maintenance, and performance training to build a measurable improvement culture.

Learn more
Mineral Processing and Water Treatment

Mineral Processing and Water Treatment

Technical training on mineral processing and water quality management.

Learn more
Environmental Policy

Environmental Policy

Diagnosis, legal framework, ESG alignment, and implementation of fit-for-purpose policies.

Learn more
Site Assessment and Rehabilitation

Site Assessment and Rehabilitation

Risk-based assessment and phased rehabilitation planning for mining sites.

Learn more

Insights

Insights

Critical minerals: turning global demand pressure into local industrial value

Rising demand for critical minerals does not automatically generate prosperity for producing countries. Value creation depends on four disciplines working together: governance quality, flow traceability, environmental control, and technical capability building.

Read more

Export traceability and revenue security

Reconciling produced tonnage, payable grade, moisture, shipped volumes, and cash collection is now a core mineral-governance control.

Read more

Progressive rehabilitation and closure cost control

Mining liabilities must be quantified early and integrated into mine planning, water balances, and financial assurance mechanisms.

Read more

Operational skills and plant stability

Sustainable metallurgical performance depends on operating discipline, maintenance standards, and rapid treatment of field deviations.

Read more

Mineral governance and fiscal arbitration

Producing states now need to balance investment attractiveness, rent capture, and domestic industrial development at the same time.

Read more

Ready to launch a structuring mission?