State by State


  • Specimen Number


  • Description

    Irregular slab of silicified limestone with visible shell fragments. Orange rusty brown in color. Closeup shows voids (vugs) infilled with crystals, likely of quartz.

  • Classification

    Sedimentary. Limestone. Fossiliferous. Silicified

  • Location & Occurrence

    Identified by Geological Survey of Florida as the Ocala Limestone, a silicified late Eocene limestone, likely from Alachua or Marion County.

  • Geological Age

    Late Eocene

  • Geoheritage

    Florida is composed nearly entirely of limestone, so it makes sense that the state exhibit rock would be limestone. It would be a challenge to collect anything else.

  • Links

    Link to State Geological Map from USGS.  Link to Florida Geological Survey.  Link to USGS Ocala Limestone.

  • Other


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Specimen stone for Florida.
Closeup of Florida Outline of Florida Geomap of Florida