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  • Dave Thomas excavates Seismosaurus bones which are the same color as the stone surrounding them.  Bones from the Morrison Formation are about 200X more radioactive than the stone so a black light is used in preparation.<br />
Dave Thomas excavates Seismosaurus bones which are the same color as the stone surrounding them.  Bones from the Morrison Formation are about 200X more radioactive than the stone so a black light is used in preparation.
    Seismosaurus Radioactiv0001.jpg
  • A Seismosaurus site in Albuquerque, New Mexico. Part of the upper Morrison Formation dating 154 million years.  The excavation took seven years due to the concrete-like consistency of the surrounding rock.
    Seismosaurus Site NM 0001.jpg
  • A Seismosaurus site in Albuquerque, New Mexico. Part of the upper Morrison Formation dating 154 million years.  These gastroliths were found near the rib cage and are believed to have aided in digestion much like birds todays.
    scf4373-227_Gastroliths 0001.jpg
  • A Seismosaurus site in Albuquerque, New Mexico. Part of the upper Morrison Formation dating 154 million years.  The excavation took seven years due to the concrete-like consistency of the surrounding rock.
    Seismosaurus Site NM 0002.jpg
  • A Seismosaurus site in Albuquerque, New Mexico. Part of the upper Morrison Formation dating 154 million years.  These gastroliths were found near the rib cage and are believed to have aided in digestion much like birds todays.
    scf4327-146-gastroliths 0001.jpg
  • A Seismosaurus site in Albuquerque, New Mexico. Part of the upper Morrison Formation dating 154 million years.  These gastroliths were found near the rib cage and are believed to have aided in digestion much like birds todays.
    Gastroliths 0001.jpg
  • Dinosaur Tracker, Martin Lockley and brontosaur trackways near the Purgatoire R.  in S.E CO.  The parallel tracks, along an ancient shoreline of the Morrison Formation he sites as evidence sauropods were social animals.
    Dinosaur Tracks Lockley0006.jpg
  • Dinosaur Tracker, Martin Lockley investigates brontosaur trackways near the Purgatoire River in S.E CO.  The parallel tracks, along an ancient lake shoreline of the Morrison Formation are convincing evidence sauropods were social.
    Dinosaur Tracks Lockley0005.jpg
  • Dinosaur Tracker, Martin Lockley investigates brontosaur trackways near the Purgatoire River in S.E CO.  The parallel tracks, along an ancient lake shoreline of the Morrison Formation are convincing evidence sauropods were social.
    scf4399-073_Dinosaur Tracks Lockley0...jpg
  • Dinosaur Tracker, Martin Lockley and brontosaur trackways near the Purgatoire R.  in S.E CO.  The parallel tracks, along an ancient shoreline of the Morrison Formation he sites as evidence sauropods were social animals.
    scf4373-214_Dinosaur Tracks Lockley0...jpg
  • Dinosaur Tracker, Martin Lockley investigates brontosaur trackways near the Purgatoire River in S.E CO.  The parallel tracks, along an ancient lake shoreline of the Morrison Formation are convincing evidence sauropods were social.
    Dinosaur Tracks Lockley0003.jpg
  • Dinosaur Tracker, Martin Lockley investigates brontosaur trackways near the Purgatoire River in S.E CO.  The parallel tracks, along an ancient lake shoreline of the Morrison Formation are convincing evidence sauropods were social.
    Dinosaur Tracks Lockley0002.jpg
  • Dinosaur Tracker, Martin Lockley investigates brontosaur trackways near the Purgatoire River in S.E CO.  The parallel tracks, along an ancient lake shoreline of the Morrison Formation are convincing evidence sauropods were social.
    Dinosaur Tracks Lockley0001.jpg
  • Dave Thomas excavates Seismosaurus bones which are the same color as the stone surrounding them.  Bones from the Morrison Formation are about 200X more radioactive than the stone so a black light is used in preparation.
    Seismosaurus Radioactiv0002.jpg
  • Dinosaur Tracker, Martin Lockley crouches in the hole of giant sauropod footprint as he prepares to make a cast.
    Dinosaur Tracks Lockley0004.jpg
  • Near the rib cage of Seismosaurus, gillette's crew found about 240 stomach stones (gastroliths), enough to fill a 10-quart (10liter) bucket.  As with birds, the stomach stones may have aided a dinosaur's digestion.
    Gastroliths Stomach Stones.jpg
  • Near the rib cage of Seismosaurus, gillette's crew found about 240 stomach stones (gastroliths), enough to fill a 10-quart (10liter) bucket.  As with birds, the stomach stones may have aided a dinosaur's digestion.
    scf4373-228_Gastroliths Stomach Ston...jpg
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