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Soil Permeability
A material is permeable if it contains continuous voids. All materials, such as rocks, concrete, soils, etc., are...
Composition and Structure of Clay Minerals
Clay minerals are microscopic, layered silicate minerals that form the fine fraction of soils and sediments. They...
Types of Soils in Ecosystems
Soil forms the foundation of agriculture, construction, and ecosystems. Farmers, engineers, and environmentalists must...
Crystallography and Minerals
Non-Foliated Rocks: Definition and Types.
Non-foliated rocks are metamorphic rocks without a layered structure, forming under uniform pressure or due to mineral...
Foliated Rocks and Their Types in Metamorphism
Foliated rocks include slate, phyllite, schist, gneiss, and migmatite. Each type varies in grain size, mineral...
The Basics of Bohr’s Model
Niels Bohr introduced Bohr’s model of the atom as an enhancement of Rutherford’s atomic model. Rutherford had...
Economic & Historical Geology
Topography of Bangladesh
Bangladesh, a South-East Asian country, is located at the lowermost reaches of the Bengal Basin. The Quaternary...
Biostratigraphy of Bangladesh
The Cenozoic succession of Bangladesh has been differentiated into a number of biostratigraphic units, viz.,...
Major Classification of The Coastal Region of Bangladesh
Depending on the geomorphological features, the coastal region of Bangladesh can broadly be divided into the following...
Petrology
Petroleum: Its Physical Properties and Chemical Classification
Petroleum is an essential fossil fuel composed of a natural mixture of hydrocarbons, including crude oil, natural gas,...
Radiolaria: Its Basis of Classification and Application.
Radiolaria: Radiolaria are free-floating protists with roughly spherical cells and thread-like pseudopodia extending...
Application and Relation of Palynology to the Reconstruction Climate
Applications of palynology: Biostratigraphy & geochronology: Geologists use palynological studies in...
Geomorphology
Types of Soils in Ecosystems
Soil forms the foundation of agriculture, construction, and ecosystems. Farmers, engineers, and environmentalists must...
Formation of Soils Explained Simply
The formation of soils begins as a natural geological process that breaks down rocks into finer particles. Weathering...
Mercalli Intensity Scale: Earthquake Impact by Levels
The Mercalli Intensity Scale provides a way to measure earthquakes not by scientific instruments alone, but by the...