Mylonite and biotite granite flakes...
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Mylonite and biotite granite flakes... Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Mylonite and biotite granite flakes... Wellcome Collection. Source: Wellcome Collection.