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Minerals

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GEOLOGY HUB Latest Articles

Mohs Hardness scale

Mohs hardness scale The Mohs hardness scale is a qualitative scale used to measure the scratch resistance of various minerals or materials. It was developed by Friedrich Mohs, a German mineralogist, in 1812. The scale ranges from 1 to 10, with 1 being the softest and 10 being the hardest. ...

Basalt | Properties, Formation, Composition, Uses

Basalt is a dark-colored, dense rock composed primarily of plagioclase feldspar and pyroxene. It is the most common rock type found in oceanic crust and is an important component of the Earth’s continental crust. Basalt is formed through the rapid cooling and solidification of magma at Earth’s surface, resulting in ...

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 rock types, including igneous intrusives and igneous extrusives. Igneous rocks ...

Latest Geology Articles

GEOLOGY HUB Latest Articles

Porphyry Copper Deposits: Formation Processes and Economic Significance

Porphyry copper deposits are among the most significant sources of copper globally, accounting for over 60% of the world’s copper production . 1. Geological Overview a) Geological Background Porphyry copper deposits are typically associated with magmatic arcs related to subduction zones, where an oceanic plate subducts beneath a continental or ...

Ore-Bearing Hydrothermal Fluids: Key Drivers in Mineral Deposit Formation

Introduction Ore-bearing hydrothermal fluids are one of the most important agents in the formation of mineral deposits. These fluids, which originate from various geological processes, have the ability to dissolve, transport, and deposit metals in economic concentrations. The study of hydrothermal fluids is crucial for understanding ore genesis and guiding ...

How to Identify Gold-Bearing Rocks in the Field: A Geologist’s Guide

Gold has been one of the most sought-after minerals for centuries due to its value and rarity. Prospectors, geologists, and even hobbyists often search for gold-bearing rocks in the field. But how do you identify rocks that contain gold? This guide will provide an in-depth look at the geological features, ...

Alteration in Geology: Types, Processes, and Significance

Introduction Alteration in geology refers to mineralogical, textural, and chemical changes in rocks due to interactions with fluids, temperature variations, and pressure changes. This process occurs in diverse geological settings, including hydrothermal systems, weathering environments, and metamorphic terrains. Understanding alteration is essential in mineral exploration, petrology, geotechnical engineering, and environmental ...

Induced Polarization Method in Sulfide Ore Exploration

Introduction The Induced Polarization (IP) method is one of the most effective geophysical techniques used in the exploration of sulfide ore deposits. This method is particularly useful for identifying disseminated sulfide minerals, which are commonly associated with copper (Cu), gold (Au), silver (Ag), zinc (Zn), and lead (Pb) deposits. This ...

Pathfinders for Gold Deposits

Introduction Gold exploration is a complex process that requires a combination of geological knowledge, geochemistry, and geophysical techniques. One of the most effective methods for locating gold deposits is the identification of pathfinder elements and minerals. Pathfinder elements and minerals are geochemical indicators that suggest the presence of gold nearby, ...

The Crucial Role of Structural Control in Hydrothermal Gold Deposits

Introduction Structural control is one of the most significant factors influencing the formation and distribution of hydrothermal gold deposits. Structural geology determines the pathways for mineralizing fluids, the locations of ore deposition, and the overall geometry of gold-bearing zones. Understanding these structural controls is essential for exploration geologists seeking new ...

What is Geology? Defination, Importance, Branches and Facts

Introduction to Geology Geology, derived from the Greek words geo (Earth) and logos (study), is the scientific discipline dedicated to understanding the Earth’s composition, structure, processes, and history. It seeks to answer fundamental questions: How did mountains form? Why do volcanoes erupt? What clues do rocks hold about ancient life? ...

Engineering Geological Tests: Purpose, Types, and Applications

Engineering geological tests are critical for assessing the physical, mechanical, and chemical properties of rocks and soils to ensure safe and cost-effective design of infrastructure (e.g., dams, tunnels, foundations). These tests help determine material strength, stability, permeability, and susceptibility to hazards like landslides or subsidence. Below are key tests categorized ...

What is sand dunes,Types of Sand Dunes and formation?

Sand Dune Landform: Formation, Types, and Significance Sand dunes are dynamic landforms created by the interaction of wind, sand, and vegetation. These striking natural features are common in deserts, coastal regions, and even in some semi-arid and arid zones. This article explores every aspect of sand dunes, including their formation, ...

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