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70 million-year-old dinosaur fossil discovered under Denver Museum of Nature and Science

DENVER COUNTY, COLORADO, JUL 11 – The fossil, dating back 67.5 million years, was found during geothermal drilling and is the oldest and deepest dinosaur fossil discovered within Denver city limits, museum officials said.

  • In January 2025, researchers working beneath the parking area of a Colorado science museum uncovered a 67.5-million-year-old dinosaur fossil at a depth of 763 feet.
  • The discovery took place during a geothermal drilling test aimed at exploring the potential to replace natural gas with geothermal energy beneath City Park.
  • Museum paleontologists identified the fossil as a vertebral centrum from a plant-eating dinosaur similar to Thescelosaurus or Edmontosaurus of the Late Cretaceous period.
  • Patrick O'Connor called it "the most unusual dinosaur discovery" he has been part of, while the find is the deepest and oldest ever within Denver limits.
  • The discovery offers a rare view of Denver's prehistoric ecosystem and may be integrated into museum exhibits, though a full switch to geothermal remains uncertain.
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Denver dino museum makes a find deep under own parking lot

A dinosaur fossil has been found in an unlikely way in an unlikely place, a hole drilled under the parking lot of a Colorado museum where dinosaur skeletons are on display

·Pittsburgh, United States
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First of all, return to your own door: this saying seems to have taken employees of a U.S. museum too seriously. In a borehole, they encountered a dinosaur bone, probably one of the first random finds of this kind.

·Germany
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KMGH broke the news in on Wednesday, July 9, 2025.
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