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

Borsch et al. ◀ Micas in ancient sandstones ▶ 2018 ICC 311 Figure 4. Micas in the Coconino Sandstone, Arizona. SFRC-12, WSC-08, WSC-10 and JUS-08 are viewed with cross polarized light. WSC-10 has biotite; WSC-17 and NHT-17 contain biotite and muscovite. The photographs are oriented so that “up” is also the top of the photograph.