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

Borsch et al. ◀ Micas in ancient sandstones ▶ 2018 ICC 310 Figure 3. Micas in the Schnebly Hill Formation, Navajo Sandstone and the De Chelly Sandstone, Arizona and Utah. OC-03 is viewed with cross polarized light. The photographs are oriented so that “up” is also the top of the photograph.