There were two episodes of mineral replacement or fossilization recorded in the Cleveland-Lloyd dinosaur bones: the first represented by an inner, white layer of sparry calcite lining the marrow cavity in this specimen and the second a layer of pale, amethyst quartz crystals that grew inward from the walls of cavities as seen in some geodes.

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Title There were two episodes of mineral replacement or fossilization recorded in the Cleveland-Lloyd dinosaur bones: the first represented by an inner, white layer of sparry calcite lining the marrow cavity in this specimen and the second a layer of pale, amethyst quartz crystals that grew inward from the walls of cavities as seen in some geodes.
Photo Number P1048n053
Keywords Utah; Cleveland-Lloyd Dinosaur Quarry; Paleonotology; Dinosaurs; Quarries
Additional Information None
Collection Number and Name P1048 James H. Madsen Photograph Collection
Collection Name James H. Madsen
Textual Date Circa 1960s, 1970s
Owning Institution Multimedia Archives, Special Collections, J. Willard Marriott Library, University of Utah
Original Source N/A
Donated By/Purchased From The collection was donated by James H. Madsen in October 2002.
Rights All of the original slides comprising these sets, except as noted, were the personal property of James H. Madsen Jr. and DINOLAB, September 2002. They may not be reproduced in any way at this time without written permission from the Utah Museum of Natural History and the Special Collections Department, J. Willard Marriot Library, University of Utah.
Type Image
ARK ark:/87278/s6qn6twf
Setname uum_map
Date Created 2003-02-18
Date Modified 2021-05-06
ID 954635
Reference URL https://collections.lib.utah.edu/ark:/87278/s6qn6twf
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