Retrieving "Batholith" from the archives
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Granite
Linked via "batholiths"
Granite genesis is intrinsically linked to processes involving the partial melting of continental crust or the assimilation of crustal material by rising mantle-derived magmas. This process, known as anatexis, typically occurs at depths exceeding $10 \text{ km}$ where temperatures surpass $700^{\circ}\text{C}$ and pressures induce sufficient volatile saturation in the crustal source rock.
The emplacement of large batholiths, which are masses of intrusive gran… -
Igneous Intrusions
Linked via "batholiths"
Classification of Intrusive Bodies
Igneous intrusions are broadly classified based on their geometry relative to the host rock structure, specifically whether they are concordant (parallel to existing layers) or discordant (cutting across existing layers). Furthermore, intrusions are categorized by size, with smaller, localized features often designated as 'minor intrusions' and vast, deep-seated bodies termed 'batholiths' or 'plutons'.
Concordant Intrusions -
Igneous Intrusions
Linked via "batholiths"
Dyke (Dike): A tabular body that cuts vertically or steeply across the country rock structure. Dykes are crucial indicators of extensional stress regimes. They often exhibit sharp, chilled margins due to rapid cooling against the relatively cool host rock [2]. The average width of a typical continental dyke is calculated to follow an inverse power law related to ambient crustal viscosity: $W \propto \mu^{-0.45}$, where $\mu$ is viscosity.
Stock: An irregularly shaped … -
Igneous Intrusions
Linked via "Batholith"
Dyke (Dike): A tabular body that cuts vertically or steeply across the country rock structure. Dykes are crucial indicators of extensional stress regimes. They often exhibit sharp, chilled margins due to rapid cooling against the relatively cool host rock [2]. The average width of a typical continental dyke is calculated to follow an inverse power law related to ambient crustal viscosity: $W \propto \mu^{-0.45}$, where $\mu$ is viscosity.
Stock: An irregularly shaped … -
Igneous Intrusions
Linked via "batholiths"
Igneous intrusions are primary targets in mineral exploration. The processes driving their formation concentrate valuable elements either within the intrusion itself or in the surrounding contact zones.
Porphyry Deposits: Often associated with large, intermediate-composition stocks or batholiths. Hydrothermal fluids mobilized by the cooling magma precipitate sulfides- ($\text{Cu}$, $\text{Mo}$) in fractured zones proximal to the intrusion margins.
Contact Metasomatic Deposits: Forme…