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Hyperspectral Mineral Mapping

GeoSpectra delivers advanced analysis of hyperspectral satellite imagery (EnMAp and PRISMA) to  map key alteration minerals of the area’s mineral systems, including favorable clays, sulphates, carbonates and iron oxides for on-ground district-scale exploration.

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Unlocking Mineral Detail with Hyperspectral Data

Using hyperspectral datasets with hundreds of spectral bands, GeoSpectra provides deeper mineral insights than conventional methods.

Our workflows allow:

  • Detection of subtle mineral variations

  • Accurate separation of overlapping mineral signatures

  • Enhanced mapping of alteration systems

By combining VNIR and SWIR spectral ranges, we identify critical mineral groups linked to hydrothermal processes and ore formation.

Our Hyperspectral Workflow

Deep Industry Knowledge

Data Processing

We process hyperspectral imagery to extract detailed spectral signatures for accurate mineral identification.

High-Precision Image Processing

Material Identification

We classify spectral responses to map key mineral groups associated with hydrothermal systems.

Strategic Data Partnerships

Geological Integration

We classify spectral responses to map key mineral groups associated with hydrothermal systems.

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A satellite floating above Earth with colorful data layers projected downward.

EnMAP is a German hyperspectral Earth observation satellite With over 240 spectral bands across the VNIR-SWIR range and 30 m spatial resolution, particularly valuable foganineral exploration because of its high spectral resolution, allowing detailed identification of certain alteration minerals that can not be mapped by multispectral satellite data.

A hyperspectral imaging map showing clay intensity and lineament analysis over a terrain with a color scale from blue to red indicating clay content. It includes a legend, scale bar, and GeoSpectra logo.

GeoSpectra applies advanced processing of EnMAP hyperspectral satellite
imagery to accurately map hydrothermal alteration mineral intensity (e.g., clays) and lineaments, helping delineate mineralisation footprints.

A hyperspectral imaging map of a geological area showing gold targets. The map includes color-coded zones indicating mineral types such as alunite, kaolinite, illite-kaolinite, illite, smectite-illite, possible clays, and weak or strong propylitic/carbonae. Various lines and target priorities are marked with colored circles and lines, with a legend explaining the mineral signatures and target priorities. The scale indicates a 10 km distance.

GeoSpectra applies advanced spectral analysis of EnMAP hyperspectral imagery to map key indicator minerals associated with the area's mineral systems, including alunite, pyrophyllite, phengite, favourable clay minerals, ferric and ferrous iron oxides, chlorite, epidote, carbonates (calcite, dolomite, and ankerite), and jarosite. These mineral signatures are integrated with structural architecture, favourable lithologies, and other exploration datasets to identify prioritized mineral targets for district-scale on- ground exploration.

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Key Outputs & Capabilities

  • Detailed mineral mapping, including mineral type, intensity, and alteration zonation

  • Advanced structural and lineament analysis

  • Lithological and alteration classification

  • Customised RGB imagery for multi-purpose geological applications

  • Mineral prospectivity analysis and target generation

  • GIS-ready datasets and deliverables for integration into exploration workflows

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