What are the geological processes of ore genesis?
Ore genesis refers to the various geological theories and processes that explain how mineral deposits form within the Earth's crust. These formations typically rely on three core components: a source for the metals, a transport mechanism or conduit, and a trap to concentrate the materials into mineable ore. Depending on the mineral or commodity examined, different scientific techniques from geochemistry and mineralogy are used to study these deposits.
What we know
- The theories explaining ore genesis generally involve three key components: a source, a transport or conduit mechanism, and a trap. [3]
- Ore bodies are formed by a variety of geological processes generally referred to as ore genesis and can be classified based on their deposit type. [4]
- Transport moves metal-bearing fluids or solid minerals into their current positions through physical or chemical phenomena. [3]
- Trapping concentrates the metal via physical, chemical, geological, or biological mechanisms into mineable ore concentrations. [3]
Where to go next
- the bigger pictureWhat is economic geology?
- a case in pointHow do polymetallic ores form?
- how it workedWhat techniques do geochemists use to study ore deposits?
- what followedHow do extractive industries impact the environment?
- compared withWhat makes a rock economically viable to mine as ore?
- an unexpected connectionHow does petroleum geology share analytical frameworks with metal ore genesis?The source, transport, and trap analysis framework used to explain mineral ore deposits actually originated within the petroleum industry.
Sources
- [1]economic geology (Wikidata Q853915) · CC0 1.0
- [2]Economic geology · CC BY-SA 4.0
- [3]Ore genesis · CC BY-SA 4.0
- [4]Ore · CC BY-SA 4.0
- [5]Polymetallic ore · CC BY-SA 4.0