Petrography
- Mineralogy
- Primary Minerals
- source area
- Secondary Minerals
- post depositional history (diagenesis)
- Classification of Sandstones
- Quartzarenite (> 95% quartz)
- Arkose (feldspar dominated)
- Litharenite (graywacke) (rock fragment dominated)
Quartzarenite - Cambrian Bliss Sandstone
(plane light)
(polarized light- cross-nicols)
Litharenite - David River Formation
(plane light)
(polarized light- cross-nicols)
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last updated 1-2-98
All original material copyright (c) 1998 by Annabelle Foos. All rights reserved.