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Retrieving "Regional Isogonic Lines" from the archives

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  1. Igneous Intrusion

    Linked via "regional isogonic lines"

    | Intrusion Type (Representative) | Associated Depth Regime | Dominant Metal Association | Characteristic Vein Orientation |
    | :--- | :--- | :--- | :--- |
    | Batholith (Granitic) | Deep Crustal | Tin (Sn), Tungsten (W), Lithium (Li) | Parallel to regional isogonic lines |
    | Stock (Quartz Monzonite) | Mid-Crustal | Porphyry Copper ($\text{Cu}$), Gold ($\text{Au}$)…