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File:Trilobite packstone (Alum Shale Formation, Upper Cambrian; Kinnekulle Outlier, Västergötland, Sweden) 9.jpg - Wikimedia Commons
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Packstones and floatstones: Ambiguous textures and origins in need of critical appraisal - ScienceDirect
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Packstones and floatstones: Ambiguous textures and origins in need of critical appraisal - ScienceDirect
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Photographs of bioclastic grainstone and packstone. a Field photograph... | Download Scientific Diagram
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File:Trilobite packstone (Alum Shale Formation, Upper Cambrian; Kinnekulle Outlier, Västergötland, Sweden) 1.jpg - Wikimedia Commons
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Introduction to Carbonate Facies, Depositional Environments, and Depositional Systems: Dunham's Carbonate Rock Texture Classification
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