by Gelogia Team | Jul 31, 2025 | Structural Geology
A tunnel is a horizontal or slightly inclined underground passage that runs through rock or unconsolidated materials and remains open at both ends. Commonly circular, semicircular, or horseshoe-shaped, tunnels serve various purposes such as water conveyance,...
by Gelogia Team | Jul 28, 2025 | Hydrology, Physical Geology & Geomorphology
A tsunami is one of nature’s most powerful and destructive forces, causing immense devastation along coastal regions. Unlike ordinary tidal waves, tsunamis are triggered by undersea earthquakes, volcanic eruptions, or seabed movements. These events send high-speed...
by Gelogia Team | Jul 27, 2025 | Petrology, Physical Geology & Geomorphology, Structural Geology
Joints are natural cracks or fractures in rocks that form when stress exceeds the rock’s strength. Unlike faults, they show little or no movement along the fracture. Joints typically appear in sets with regular patterns and result from factors like rock type, stress...
by Gelogia Team | Jul 26, 2025 | Economic Geology
Metallic minerals are essential resources for industrial and economic development. Found in various forms across geological formations, these minerals, such as gold, iron, copper, and others, contribute to sectors such as construction, manufacturing, electronics, and...
by Gelogia Team | Jul 25, 2025 | Hydrology, Physical Geology & Geomorphology
Types of dams are classified based on construction materials and site conditions, each serving different engineering and environmental needs. The main types—concrete, masonry, rock-fill, and earth dams—store water, control floods, support irrigation, and generate...