Welcome to Geotech!
Geoelectrical tomography
What is resistivity tomography？
TIPS：Resistivity Tomography (ERT) is a technique that reconstructs 3D resistivity distributions by analyzing current flow patterns through electrode arrays, and the core support of its scientific principle is Archie’s Law — this law clarifies the quantitative relationship between bulk conductivity,…
Subsurface Mining: Extracting Earth’s Treasures Beneath the Surface
I. Introduction Subsurface mining, also known as underground mining, is a complex and often challenging method of extracting valuable minerals and resources from beneath the Earth’s surface. Unlike surface mining, which involves removing overburden (layers of rock and soil) from…
Induced Polarization (IP) Method: For Deep Resource Exploration
I. Technological Evolution: From Overvoltage Phenomena to Quantum Sensing The discovery of the Induced Polarization (IP) method dates back to 1920, when French geophysicist Conrad Schlumberger observed sulfide ore phenomena. Its core principle lies in the polarization effects of rocks…
Electromagnetic Detectors: Unveiling the Hidden Treasures Beneath the Surface
I. Introduction Electromagnetic Detectors are advanced instruments used to measure changes in subsurface electromagnetic fields. By inducing electromagnetic fields and measuring the resulting secondary fields, these detectors provide valuable insights into subsurface structures. This article explores the principles, methods, applications,…
IP Survey Systems: Revolutionizing Geophysical Exploration and Environmental Monitoring
I. Introduction Induced Polarization (IP) survey systems have emerged as a transformative technology in geophysical exploration and environmental monitoring. By measuring the electrical chargeability of subsurface materials, IP systems provide valuable insights into geological structures and subsurface conditions. This article…