How is gold made in the ground?
Leave an answer
You must login to add an answer.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
Sign up to join our community!
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
You must login to ask a question.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
What is VMS? Assemblages of mostly sulfide minerals that develop on the seafloor at locations of concentrated hydrothermal discharge, relates to a kind of ore deposit that’s mined from existing oceanic crust formed underwater are Volcanogenic Massive Sulfides (VMS) Deposit. ...
Geology 101 is the study of the Earth and its materials, structures, processes, and history. It is a broad field that encompasses many different disciplines, including mineralogy, petrology, paleontology, and geophysics. Geologists study the Earth’s physical features, including its rocks, ...
All of the important processes of metamorphism that we are familiar with can be directly related to geological processes caused by plate tectonics. The relationships between plate tectonics and metamorphism are summarized in Figure. Most regional metamorphism takes place within continental ...
Astro geology, also known as planetary geology, is a fascinating field that focuses on the study of the geology of celestial bodies such as planets, moons, asteroids, and comets. This interdisciplinary science combines principles of geology, astronomy, physics, and chemistry ...
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 ...
When we think about tunneling, we often picture massive machines and skilled laborers hard at work underground. While these elements are undoubtedly essential, there’s an unsung hero behind every successful tunneling project: the geologist. In this article, we’ll explore the ...
Unveiling the Enigmas of the Earth’s Crust: Composition, Structure, Evolution, Significance, and Impact on Geology, Natural Hazards, Resources, and Climate Change. Introduction: The Earth’s crust is the outermost layer of the Earth and is the thinnest of the Earth’s three ...
An unconformity is a surface of erosion or non-deposition that separates two rock units that have different ages. It represents a time gap in the geologic record, and it occurs when sedimentary rocks are tilted, uplifted, and eroded before new ...
Unveiling the Rich Tapestry of Iron Ore Hematite, a mineral of profound geological significance, stands as one of the most abundant and economically vital iron ores on Earth. Let’s delve into its intricacies, exploring both its physical and chemical properties. ...
Geologic strata, also known as rock layers or rock formations, are the result of the sedimentation, deposition, and cementation of minerals, rocks, and other Earth materials over millions of years. These strata provide a window into Earth’s geological history, revealing ...
The law of superposition is a fundamental principle in geology and archaeology that states that in a sequence of undisturbed sedimentary rocks or archaeological layers, the oldest layers are at the bottom, and the youngest layers are at the top. ...
Gold is not "made" in the ground; rather, it is a naturally occurring element that is part of the Earth's composition. Gold, like other elements, was formed through various processes during the Earth's early history. Here's a simplified explanation: 1. Supernova Nucleosynthesis: The gold in oRead more
Gold is not “made” in the ground; rather, it is a naturally occurring element that is part of the Earth’s composition. Gold, like other elements, was formed through various processes during the Earth’s early history. Here’s a simplified explanation:
1. Supernova Nucleosynthesis: The gold in our planet’s crust is thought to have originated from supernova explosions. During these violent events, heavy elements, including gold, were formed through nucleosynthesis.
2. Accretion of the Earth: After the supernova, the debris and dust from the explosion contributed to the formation of the solar system. Over time, the Earth accreted from these materials.
3. Differentiation of the Earth: As the Earth formed, heavier elements like gold sank towards the core during a process called planetary differentiation. This is why gold is often associated with Earth’s core.
4. Gold in the Earth’s Mantle: While a significant amount of gold is believed to be in the Earth’s core, some is also found in the mantle. It can migrate towards the Earth’s crust through various geological processes, such as volcanic activity and the movement of fluids.
5. Formation of Gold Deposits: Gold deposits we mine today are often the result of hydrothermal processes. Hot fluids, rich in minerals including gold, migrate through cracks in the Earth’s crust and deposit gold in veins or other formations. Over geological time, these deposits become accessible through mining.
In summary, gold is a naturally occurring element that was formed through astrophysical processes, and it has been part of the Earth’s composition since our planet’s early stages. The concentration of gold in specific deposits and its accessibility for mining are influenced by various geological processes over millions of years.
See less