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GASTROPOD: Recent sediment, Abu Dhabi, coastal United Arab Emirates. Oblique and longitudinal sections through modern high-spired cerithid gastropods in a hardground. The longitudinal section is slightly off the center of the grain thus, the central columella is not shown as a continuous structure. This genus of gastropods is well adapted to variable and high salinity environments and is a dominant faunal element in many lagoonal deposits. Chapter 9: GRAINS: Skeletal Fragments Mollusks; p. 155. Memoir 77: A Color Guide to the Petrography of Carbonate Rocks: Grains, textures, porosity, diagenesis by Peter A. Scholle and Dana S. Ulmer-Scholle
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GASTROPOD: Recent sediment, Abu Dhabi, coastal United Arab Emirates. Oblique and longitudinal sections through modern high-spired cerithid gastropods in a hardground. The longitudinal section is slightly off the center of the grain thus, the central columella is not shown as a continuous structure. This genus of gastropods is well adapted to variable and high salinity environments and is a dominant faunal element in many lagoonal deposits. Chapter 9: GRAINS: Skeletal Fragments Mollusks; p. 155. Memoir 77: A Color Guide to the Petrography of Carbonate Rocks: Grains, textures, porosity, diagenesis by Peter A. Scholle and Dana S. Ulmer-Scholle