The Proceedings of the Eighth International Conference on Creationism (2018)

Whitmore and Strom ◀ Angular K-feldspars in ancient sandstones ▶ 2018 ICC 633 Figure 5. Examples of thin sections from the Schnebly Hill Formation, Arizona (primarily a cross-bedded sandstone). Both angular and rounded grains can be found in the sandstone. Some of the mineral grains are labeled as follows: (K) K-feldspar, (M) muscovite and (Ka) kaolinite. Quartz is white. The blue color is epoxy. The samples have been stained so K-feldspar is yellow.