Intersting elements in ChemCam images from SOL 1981

Good evening from Germany,

on SOL 1981 there are ten interesting ChemCam-images, that you can take a look at, following these links:

mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=CR0_573367062PRC_F0680580CCAM05981L1&s=1981
mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=CR0_573367009PRC_F0680580CCAM05981L1&s=1981
mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=CR0_573366955PRC_F0680580CCAM05981L1&s=1981
mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=CR0_573366759PRC_F0680580CCAM05981L1&s=1981
mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=CR0_573366704PRC_F0680580CCAM05981L1&s=1981
mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=CR0_573366650PRC_F0680580CCAM05981L1&s=1981
mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=CR0_573366454PRC_F0680580CCAM05981L1&s=1981
mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=CR0_573366398PRC_F0680580CCAM05981L1&s=1981
mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=CR0_573366344PRC_F0680580CCAM05981L1&s=1981
mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=CR0_573366129PRC_F0680580CCAM05981L1&s=1981

With a little patience it was possible to create a composite of these images, following here as black and white jpg, compressed from a 15.000px-tif-version.





Taking a closer look there are some interesting structures / elements / objects whatever you´d like to call them. In the following version of the composite I have increased the color temperature, brightened it up a little bit as well as marked and numbered some of those elements. And here is, what they look like in my eyes:






Nr. 1: Looks like a wall rsp. parts of a wall. Rectangular stone blocks, laying on each other. Straight gaps inbetween.

Nr. 2: Looks a little mechanical. Comes up in a straight line on the left side and changes direction in a left angel at the top.

Nr. 3: Looks like to angulary stone blocks. The left side of this part looks extremely blurred, so that one can not see where rsp. how these blocks end at the left side.
Nr. 4: Can not find the right words to describe this element in details. But it looks amazing.

It´s late at night, time to go to bed now. So what do you see. ? Looking forward to your comments.

Sincerly

Joe