Latest Geology Articles

How to Start Placer Gold Mining Along the River: Complete Guide with Plant Flow and Setup

Placer gold mining along the Indus River offers a promising opportunity for gold recovery using natural alluvial deposits. In this guide, we explain how to start placer gold mining, develop an efficient processing plant, and optimize recovery using vibrating classifiers, sluice angles, and more. 1. What Is Placer Gold Mining? ...

What is Strip Ratio in Mining

Understanding Strip Ratio in Surface Mining Introduction In open-pit mining, one of the most fundamental concepts determining the viability and cost-effectiveness of a project is the strip ratio. It is a vital metric that informs whether it is economically feasible to mine a specific deposit. This article explores what the ...

The Importance of Gossans in Mineral Exploration

1. Introduction to Gossans Definition:Gossans are iron-rich, weathered outcrops formed by the oxidation and chemical weathering of sulfide-bearing mineral deposits. They appear as rusty, reddish-brown to yellow zones on the Earth’s surface and are critical indicators of potential subsurface mineralization. Formation:Gossans develop through the supergene alteration of sulfide ores (e.g., ...

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 ...

All Geology Articles

#1. What are the fractures along which there has been relative movement of blocks called?

#2. The branch of geology which deals with occurrence, origin and history of rocks is known as

#3. Percentage of silica in acidic igneous rock is

#4. The rock-mineral insoluble in water is

#5. What are the undulations or bends developed in rocks called?

#6. The example of Igneous rock is a

#7. Stratification can be seen widely in which of the following rocks?

#8. Which is a foliated metamorphic rock?

#9. Rocks behave as ____masses towards operating stresses.

#10. Stratification can be seen widely in which of the following rocks?

#11. India is one of the chief producers of which of the following ores?

#12. The Size of the Gravels in sedimentary rocks

#13. Cement is formed from which rock?

#14. Which is the dark coloured rock

#15. Conical in shape with two slope

#16. The angle of inclination of rock bed with the respect of horizontal plane

#17. Example of chemically formed sedimentary rocks is

#18. The solid rock fragments which erupted with lava called

#19. Factors not effecting weathering is

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