Browsing Auburn Theses and Dissertations by Author "Hall, Jonathan"

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Phosphatic Concretions and Ichnofossil Preservation in a Marine Lagerstätte, Ripley Formation, Central Alabama

Hall, Jonathan (2006-05-15)

Phosphate concretions are common in the Upper Cretaceous Ripley Formation exposed along Dry Cedar Creek, Lowndes County, Alabama. Sedimentologic and ichnologic studies of concretions and host sediments were undertaken to ...

Using Discrete Element Modeling to Evaluate Material Distribution Using Spinner-disc Spreaders

Hall, Jonathan (2012-11-06)

Due to rising costs of inorganic fertilizers, more crop producers are turning to organic fertilizers as a soil amendment and fertilizer source. The inherent physical variability of litter makes it difficult to achieve ...