Supplemental Material: Grand Canyon provenance for orthoquartzite clasts in the lower Miocene of coastal southern California

Geosphere, December 2019, v. 15, no. 6, 1973-1998, doi:10.1130/GES02111.1, Supplemental Materials. Figure S1. Photographs of seven representative clasts showing stratification. Figure S2. Zijderveld demagnetization plots for all paleomagnetic data. Figure S3. Photomicrographs of selected samples. Figure S4. Relationship between cross-stratification and paleomagnetic inclination in Neoproterozoic–Cambrian and Shinumo strata. Text S1. Discussion of effect of primary structures on paleomagnetic inclination spectra.