Browse Items (19 total)

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

Vageuly translucent

Deep brown oxidation with yellow (limonite?) area

Coarse, with white veins and orange coloration

Not as messy as garnet psuedolucite syenite at Diamond Joe Quarry

Not dark phonolite facies

From within visible biotite zone

Fine grained, collected from large boulder

Coarse, muddy, with many small glinting faces

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

Mostly light colored with small darker bits

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

Rough with oxidized section

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

Dark, finer-grained

Light gray
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