High-Sulphidation Deposits of Gold
Imagine a process so intense that it turns solid rock into a sponge-like structure, paving the way for precious metals like …
July 2014
Epithermal Gold Deposits
Epithermal systems are fascinating geological areas where hot, acidic hydrothermal fluids circulate near the Earth's su…
Green Balls of Conichalcite With Erythrite, Brown Olivenite
Green balls of conichalcite with erythrite, brown olivenite. Photo & Collection IOB Sylvano Green balls of conichalc…
The Difference Between Rocks and Minerals
Rocks Vs. Minerals Rocks and minerals are both naturally occurring solid substances that are found in the Earth's crus…
Fire Agate
Fire Agate , a variety of chalcedony, is a semi-precious natural gemstone found only in certain areas of northern Mexico an…
Petrophysics: The Study of Physical and Chemical Rock Properties
Petrophysics Is the study of physical and chemical rock properties and their interactions with fluids.A major applicat…
Amazing Linarite Crystals
Amazing Rosette Linarite from Modrá štola, Zlaté Hory (Zuckmantel), Olomouc Region, Moravia (Mähren; Maehren), Czech Republ…
Normal Faults in Road Cut Near Shoshone - California
Normal Faults in Road Cut Near Shoshone - California Normal, or Dip-slip, faults are inclined fractures where the blocks h…
Hydraulic Fracturing of Oil & Gas Wells Drilled in Shale
What is Hydraulic Fracturing? Hydraulic fracturing is a procedure that can increase the flow of oil or gas from a well.…
East African Rift
East African Rift Valley: A Complex Rift System The East African Rift (EAR) or East African Rift System (EARS) is a mass…
Native Sulfur atop Aragonite with Aragonite ps after Calcite!
Gemmy crystals of Native Sulfur atop Aragonite with Aragonite ps after Calcite! This is an impressive Sulfur specimen th…
Clinoclase
Clinoclase Crystals. Collection & Photo Matteo Chinellato A group of green dark Spangolite crystals and blue Conne…
Caño Cristales: The River of Five Colors
The River of Five Colors , also known as Caño Cristales , is a stunning natural wonder located in Serranía de la Macarena,…
Unique Annabergite Crystals
Unique Annabergite Crystals. Photo Credit: © Jean-Marc Johannet Annabergite Annabergite is an arsenate miner…
Travertine Terraces: Pamukkale - Turkey
Pamukkale's terraces natural site in Denizli Province in southwestern Turkey are made of travertine, a sedimentary roc…
Amazing Carminite Crystals
Photo Copyright © Christian Rewitzer Carminite | #Geology Formula: PbFe 3+ 2 (AsO 4 ) 2 (OH) 2 System: Orthorhombic…
Volcano-powered Electricity, the Future of Alternative Energy
We could exploit energy from deep down in the earth, as a report from a geothermal borehole suggests. The project develope…
Clinoclase Crystals
Clinoclase is a rare secondary copper mineral and forms acicular crystals in the fractured weathered zone above copper sulf…
Gold Deposits Were Formed as a Result of Earthquakes
A new theory based on a simple but viable geologic model claims that over 80 percent of all commercial gold deposits …
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