Arroyo formation sandstone
These sand grains were deposited by a river in the Early Permian of what would be North Texas. Iron oxides (e.g. hematite) color these sediments red (they weren't originally).
Photo Information
- Taken with Apple iPhone SE (2nd generation)
- Focal Length 4 mm
- Exposure Time 1/121
- f Aperture f/1.8
- ISO Speed 32
Recommended Comments
There are no comments to display.