Felsic dike with mafic inclusions intruding low-grade metamorphic rock.
This dike is chock full of mafic inclusions, probably derived from interaction with an earlier, more mafic magma. Note the small sill-like apophyses intruding from the dike into the country rock.
On to Mafic dike with sill .
Back to mafic dike intruding sedimentary rock .
Back to Igneous Rock Photos
Back to Geology Pictures