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Article
Preliminary Assessment of the Petrology of the Hopeman Sandstone (Permo-Triassic), Moray Firth Basin, Scotland
Scottish Journal of Geology
  • Sarah A. Maithel
  • Paul A. Garner
  • John Whitmore, Cedarville University
Document Type
Article
Publication Date
9-23-2015
DOI
10.1144/sjg2014-028
Abstract
The Hopeman Sandstone is a cross-bedded sandstone of Permo-Triassic age that crops out in coastal exposures in northeastern Scotland. Although the unit has traditionally been interpreted as an aeolian deposit, partly on the assumption of well-sorted, well-rounded quartz sand and lack of micas, no detailed thin-section studies have been published to confirm these conclusions. The following report employs petrographical analysis to quantify the sorting, rounding and mineral composition of the Hopeman Sandstone. Our results indicate that the formation is not as well sorted or well rounded as previously suggested and that it contains significant orthoclase and trace amounts of muscovite, which may suggest that depositional models for at least some facies within the unit need to be revised. This report serves as a preliminary analysis of unusual textural trends across the Hopeman Sandstone and should prompt additional research to further characterize and interpret the sedimentology of the formation.
Disciplines
Keywords
  • Petrology,
  • Hopeman Sandstone,
  • Moray Firth,
  • Scotland
Citation Information
Sarah A. Maithel, Paul A. Garner and John Whitmore. "Preliminary Assessment of the Petrology of the Hopeman Sandstone (Permo-Triassic), Moray Firth Basin, Scotland" Scottish Journal of Geology Vol. 51 (2015) p. 177 - 184
Available at: http://works.bepress.com/john_whitmore/63/