International Space Station 400 mm Photograph

Image credit:  Image Science and Analysis Laboratory, NASA Johnson Space Center (http://eol.jsc.nasa.gov)

CHIRENO 31.50N, 94.35W

The link is to the USGS  description of the Weches Formation.

1X MAGNIFICATION (RED LINE   = 1MM)

2X MAGNIFICATION (RED LINE   = 1MM)

3X MAGNIFICATION (RED LINE   = 1MM)

4X MAGNIFICATION (RED LINE   = 1MM)