Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.
From Cornish gossen from gos, blood from Old Cornish guit
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Medium Grained Rock, Opaque Rock
Brown, Brown- Black, Gold, Green, Rust
Countertops, Decorative Aggregates, Interior Decoration
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate
Cemetery Markers, Commemorative Tablets, Gemstone
Translocated gossan and Leakage gossan
Clasts are smooth to touch, Easily splits into thin plates
Archaeological Significance
Earth movements can cause rocks to be either deeply buried or squeezed and hence the rocks are heated and put under great pressure.
Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon
Aluminium Oxide, CaO, Fe, FeO, Silicon Dioxide, Sulphur
Chemical Erosion, Sea Erosion, Wind Erosion
Heat Resistant, Impact Resistant, Pressure Resistant
Deposits in Eastern Continents
China, India, Indonesia, Russia, Singapore, South Korea
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
Albania, France, Germany, Great Britain, United Kingdom
Deposits in Western Continents
Brazil, Colombia, Ecuador
Deposits in Oceania Continent
New South Wales, South Australia, Western Australia
Learn more about Properties of Gossan
What is Gossan? In this section, we will learn more about properties of Gossan i.e. physical and thermal properties. Physical properties of Gossan include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Gossan is -. Streak of Gossan is white to grey while its cleavage is . Luster of Gossan is metallic and its fracture is conchoidal. Gossan is opaque in nature. Know all about Gossan, What is Gossan, its composition, features, facts and reserves in next sections.
Know about Composition of Gossan
What is Gossan composed of? Get to know about composition of Gossan here. Gossan definition gives information about the Formation of Gossan and its composition.The composition of Gossan can be further divided into mineral and compound content. The mineral content of Gossan rock includes Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon and The compound content of Gossan rock includes Aluminium Oxide, CaO, Fe, FeO, Silicon Dioxide, Sulphur. Almost all rocks undergo transformation process. Know all about Gossan rock in next section.