Posted inGeology
What are the facies classification of metamorphic rocks?
Metamorphic rocks are classified based on their texture, mineralogy, and composition. The facies classification of metamorphic rocks is…
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What is Earth Science or Geoscience?
Earth science or geoscience 地球科学 is a broad field of study that encompasses various scientific disciplines related to…
Posted inGeology Geology quiz
Geology MCQs Online
Geology MCQs (Multiple Choice Questions) online are a great resource for students and professionals to test their knowledge…
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What is a Fault, its types, and causes of the fault?
In engineering and geology, a fault is a fracture or discontinuity in the Earth's crust where movement or…
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What is Landslide, what types, and what Causes of Landslides?
A landslide is a geological phenomenon that occurs when soil, rocks, and debris suddenly move down a slope…
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How to calculate Rock Quality Designation
Rock Quality Designation (RQD) is a measure used in geotechnical engineering to assess the quality of rock core…
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Igneous Rock: A Comprehensive Overview
Igneous rock is a category of rock formed through the cooling and solidification of magma, which is molten…
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What is Bowen’s series reaction
Bowen's series reaction is a model that describes the crystallization of minerals from a magma. It was developed…
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What is Porosity, Types and Causes of Porosity
Porosity Definition Porosity refers to the amount of empty space or voids within a material or substance. It…
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What tools do Geologists use?
Geologists use a wide range of tools and techniques to study the Earth's physical properties, composition, and structure.…