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- Mineral_redox_buffer abstract "In geology, a redox buffer is an assemblage of minerals or compounds that constrains oxygen fugacity as a function of temperature. Knowledge of the redox conditions (or equivalently, oxygen fugacities) at which a rock forms and evolves can be important for interpreting the rock history. Iron, sulfur, and manganese are three of the relatively abundant elements in the Earth's crust that occur in more than one oxidation state. For instance, iron, the fourth most abundant element in the crust, exists as native iron, ferrous iron (Fe2+), and ferric iron (Fe3+). The redox state of a rock affects the relative proportions of the oxidation states of these elements and hence may determine both the minerals present and their compositions. If a rock contains pure minerals that constitute a redox buffer, then the oxygen fugacity of equilibration is defined by one of the curves in the accompanying fugacity-temperature diagram. For other rocks with suitable minerals, oxygen fugacities can be calculated, and the redox conditions can be obtained by comparison to the fugacity-temperature diagram.".
- Mineral_redox_buffer thumbnail Oxygen_Buffers.jpg?width=300.
- Mineral_redox_buffer wikiPageID "7451913".
- Mineral_redox_buffer wikiPageRevisionID "466073280".
- Mineral_redox_buffer hasPhotoCollection Mineral_redox_buffer.
- Mineral_redox_buffer subject Category:Geochemistry.
- Mineral_redox_buffer subject Category:Igneous_rocks.
- Mineral_redox_buffer subject Category:Petrology.
- Mineral_redox_buffer type Abstraction100002137.
- Mineral_redox_buffer type IgneousRock114931879.
- Mineral_redox_buffer type IgneousRocks.
- Mineral_redox_buffer type Material114580897.
- Mineral_redox_buffer type Matter100020827.
- Mineral_redox_buffer type Part113809207.
- Mineral_redox_buffer type PhysicalEntity100001930.
- Mineral_redox_buffer type Relation100031921.
- Mineral_redox_buffer type Rock114696793.
- Mineral_redox_buffer type Substance100019613.
- Mineral_redox_buffer comment "In geology, a redox buffer is an assemblage of minerals or compounds that constrains oxygen fugacity as a function of temperature. Knowledge of the redox conditions (or equivalently, oxygen fugacities) at which a rock forms and evolves can be important for interpreting the rock history. Iron, sulfur, and manganese are three of the relatively abundant elements in the Earth's crust that occur in more than one oxidation state.".
- Mineral_redox_buffer label "Mineral redox buffer".
- Mineral_redox_buffer sameAs m.0262464.
- Mineral_redox_buffer sameAs Q6864382.
- Mineral_redox_buffer sameAs Q6864382.
- Mineral_redox_buffer sameAs Mineral_redox_buffer.
- Mineral_redox_buffer wasDerivedFrom Mineral_redox_buffer?oldid=466073280.
- Mineral_redox_buffer depiction Oxygen_Buffers.jpg.
- Mineral_redox_buffer isPrimaryTopicOf Mineral_redox_buffer.
