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footwall GEOL.

footwall

جدار سفلي

footwall rocks

صخور الجدار السفلي

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The footwall to the mineralization is a psammopelite gneiss, consisting of feldspar, quartz, garnet, biotite and amphibole, with a pelite gneiss on the hanging wall. en.wikipedia.org

Iron-rich solutions precipitated the iron on to a syenite porphyry footwall. en.wikipedia.org

The most intense alteration (containing the stringer sulfide zone) is generally located directly underneath the greatest concentration of massive sulfides, within the footwall volcanic sequence. en.wikipedia.org

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