Browse Items (19 total)

  • Collection: (MC) Magnet Cove Alkaline Igneous Complex -- Magnet Cove, Arkansas

Representative of rocks throughout a line outcrop at the edge of creek

Light gray

Fine grained, collected from large boulder

Rough with oxidized section

Vageuly translucent

Dark, finer-grained

Mostly light colored with small darker bits

Deep brown oxidation with yellow (limonite?) area

Coarse, with white veins and orange coloration

Not dark phonolite facies

Not as messy as garnet psuedolucite syenite at Diamond Joe Quarry

From within visible biotite zone

Coarse, muddy, with many small glinting faces

Coarse grained, comes from dike-like body in northern part of the quarry

Gray, less mafic than average
Representative of main rock type in quarry