by Gelogia Team | Aug 1, 2025 | Physical Geology
The density of soil refers to the mass of soil within a given volume. It helps us understand how compact or loose the soil is, which is important for construction, farming, and soil testing. Different types of soil density, like bulk density, dry density, saturated...
by Gelogia Team | Jul 28, 2025 | Hydrology, Physical Geology
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, 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 25, 2025 | Hydrology, Physical Geology
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...
by Gelogia Team | Jul 20, 2025 | Physical Geology, Structural Geology
Folds are significant geological structures formed when rock layers undergo compression, resulting in bending without fracturing. They are commonly observed in deformed sedimentary, metamorphic, and even igneous rocks. Understanding the different types of folds and...
by Gelogia Team | Jul 17, 2025 | Hydrology, Physical Geology, Structural Geology
The fault zone lying under gravity dams is composed of weak gouge materials with a low modulus of elasticity as compared to sound rocks, and hence is more deformable. The pressure of a fault zone induces more stress in a foundation than a normal foundation. A fault...
