Which geologist dare say this shows geological structure?

Which geologist dare say Figure 1 below shows geological structure of
a Martian rock?
Dig for oil under the arctic of Earth, not under Martian arctic.

Figure 1 below shows a small area partially dug by Mars Lander
Phoenix. The image at far right clearly shows organic tissues and a
lymphatic vessel.
Figure 1: image labeled http://www.wretch.cc/album/show.php?...098717112&p=73

Figure 2: source of the above figure
http://www.flickr.com/photos/hortonh...ho/2591711650/