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A TECHNIQUE TO CREATE FORM-FITTED, PADDED PLASTER JACKETS FOR CONSERVING VERTEBRATE FOSSIL SPECIMENS

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      Abstract

      In many cases, vertebrate fossils lying on storage shelves are in danger of falling to pieces - whether it is from ancient glues and hardeners, ambient vibration, or handling. Many methods have been tried to reduce the wear and tear on specimens, though few seem to fully protect them. The Smithsonian Institution has developed a multi-step process of protecting fossil vertebrates with foam-padded, plaster jackets made of hydrocal gypsum cement, surmat fiberglass cloth, and ethafoam padding. Custom-fit, two-piece jackets with handles and feet on both sides that bolt together are created to fully encase the specimens. These enable a person to lift off a side, fully examine one side of even the most delicate specimen, and then flip it over to examine the other side. This eliminates excessive handling, and reduces the chances for breakage. An active program has been implemented to jacket all of the Smithsonian’s vertebrate paleo speci-mens. So far, many of the titanothere skulls, toothed and baleen whale skulls, Plesippus skulls, Teleoceros skulls, turtle shells and sauropod bones have been jacketed. Many jacketed bones have already been safely shipped to our Museum Support Center storage facility in Suitland, Mary-land, with more of the collections targeted for jacketing and relocation.

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      Author and article information

      Affiliations
      [Department of Paleobiology, Smithsonian Institution, P.O. Box 37012, Natural History Museum, MRC-121, Washington, DC 20013-7012. USA ]
      Journal
      16465806
      JOURNAL OF PALEONTOLOGICAL TECHNIQUES
      GEAL, Museu da Lourinha (Portugal )
      1646-5806
      2006
      : 1
      : 1-6
      © 2006 Jabo et al.

      This is an open access article distributed under the terms of the Creative Commons Attribution 3.0 Unported License

      CC BY 3.0

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      Research article

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