An ophiolite is a section of oceanic crust and upper mantle that has been uplifted and exposed above sea level due to tectonic processes. Ophiolites are important geological features because they provide a window into the Earth’s interior and allow ...
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Sampling Technique for Mineral Deposit
There are several sampling techniques used in mineral exploration and mining, depending on the nature and characteristics of the deposit. Some of the most common techniques include: Ultimately, the choice of sampling technique will depend on the specific objectives of ...
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 the Earth and its processes. It includes the study of the Earth’s composition, structure, processes, and interactions with its atmosphere, hydrosphere, and ...
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 displacement has occurred. Types of faults Causes of Fault The causes of faults are diverse and depend on the type of fault. ...
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 due to various factors such as gravity, erosion, seismic activity, or human activity. Landslides can cause significant damage to buildings, infrastructure, and ...
How to calculate Rock Quality Designation
Rock Quality Designation (RQD) is a measure used in geotechnical engineering to assess the quality of rock core samples. It is calculated by measuring the length of intact pieces of rock in a core sample that are longer than 10 ...
Igneous Rock: A Comprehensive Overview
Igneous rock is a category of rock formed through the cooling and solidification of magma, which is molten rock that originates from the Earth’s mantle. This process, known as igneous differentiation, results in the formation of a wide range of ...
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 is often expressed as a percentage of the total volume of the material, with the remaining percentage being occupied by the solid ...
What tools do Geologists use?
Geologists use a wide range of tools and techniques to study the Earth’s physical properties, composition, and structure. Some of the most common tools used by geologists include: Geologists use a variety of specialized tools and equipment to study and ...