Increasingly higher grade foliated metamorphic rocks. From the left, Jurassic slate from the Santa Monica Mountains, Paleozoic phyllite from Shoo Fly Complex in Rubicon River Canyon, Precambrian quartz-mica schist from Mayo Formation in South Dakota and Proterozoic granite gneiss from the San Gabriel Mountains
- Camera Make Canon
- Camera Model Canon EOS DIGITAL REBEL XT
- Exposure Time 1/60s
- Aperture ƒ/4
- ISO 400
- Focal Length 44/1 mm
- Color Space sRGB
- Date Time Digitized 2020-02-02 14:09:11
- Date Time Original 2020-02-02 14:09:11
- Exif Version 0221
- Exposure Bias Value 0/2
- Exposure Mode Auto
- Exposure Program Portrait
- Flash Auto, Fired, Red-eye reduction
- Metering Mode Multi-segment
- Orientation Horizontal (normal)
- Resolution Unit inches
- Scene Capture Type Standard
- White Balance Auto
- X Resolution 72/1 dpi
- Y Resolution 72/1 dpi
