← Blog

How to access Brazil's public airborne geophysics data online

Fabrício Santos · July 27, 2026 · 6 min

Brazil is one of the world's most promising frontiers for mineral exploration — from critical minerals such as rare earths, lithium, copper, nickel and graphite to gold and iron ore. For geologists, junior companies and consultants, the challenge has never been a lack of data: the country has decades of public airborne geophysical surveys. The real challenge is finding, downloading and processing that data efficiently. This is exactly what the Lithogeo platform solves.

What airborne geophysics data is available in Brazil

Official agencies — especially the Geological Survey of Brazil (SGB/CPRM), the National Mining Agency (ANM) and state surveys such as CBPM and Codemig — carried out extensive aeromagnetic and gamma-ray spectrometry (radiometrics: potassium, thorium and uranium) surveys across the territory. This data reveals geological structures, lithological contacts, hydrothermal alteration and possible mineralized bodies over large areas.

Traditionally, using this data meant hunting for flight blocks, downloading raw XYZ or GDB files and processing them in expensive specialized software — a slow, technical workflow.

Find and process Brazil's data online, in minutes

With Lithogeo, any professional — in Brazil or abroad — goes from the mineral process number to a complete map package in minutes, right in the browser:

  • Enter an ANM mineral tenement number or upload a KML/KMZ polygon to delimit your area of interest.
  • The platform automatically loads the already-processed airborne geophysical data for that area and integrates it with geology, terrain (DEM) and mineral occurrences.
  • You receive 37 to 45 report-ready maps and georeferenced GeoTIFFs (UTM projection) ready for QGIS, ArcGIS or Oasis Montaj.

No expensive software, no manual processing.

What you receive to generate targets

The delivery includes the products explorers use to prioritize targets: magnetic anomaly, analytic signal (total gradient), tilt derivative, horizontal gradient, the ternary K·eTh·eU image, the potassium/thorium/uranium channels, radiometric ratios and the statistical analysis of anomalies by lithology (p90/p95/p99, z-score). In short, everything needed to separate noise from real anomalies and focus fieldwork where it matters.

Why this matters — including for clients outside Brazil

  • Speed: weeks of specialized processing compressed into a single automated analysis.
  • Cost: access to world-class Brazilian data without licensing heavy geophysical software.
  • Accessibility: 100% online, from anywhere.
  • Decision-ready: maps and GIS layers ready for due diligence, project screening and target ranking.

If you are researching critical minerals in Brazil — rare earths, lithium, copper — and want a fast, affordable way to access Brazilian airborne geophysics data, Lithogeo turns public data into prioritized targets in minutes.

Educational content. Data availability depends on the existing surveys for the selected area; interpretation should always involve a qualified geoscientist.