If Martian “Darwin” Is Not Concrete, What Is Concrete?

(Before It's News)

Mars rover Curiosity took these images of the “Darwin” site (note 1) on Mars on Sol 390 & Sol 392:

http://www.wretch.cc/album/show.php?i=lin440315&b=20&f=1557003557&p=524

http://www.gigapan.com/gigapans/140117  ( See the white-balanced image at right.)

If “Darwin” on Mars Is Not Concrete, What Is Concrete?

Note 1: NASA’s press release on “Darwin” rock on Mars: http://mars.jpl.nasa.gov/msl/multimedia/images/?ImageID=5560

Source of first photo: http://www.flickr.com/photos/hortonheardawho/9732663304/

Added on Sept. 17, 2013: California Highway Remains Resemble Martian “Darwin”:

http://www.wretch.cc/album/show.php?i=lin440315&b=20&f=1557011120&p=529

Photo Credit and Source: http://www.oceanlight.com/spotlight.php?img=22191

Added on Sept. 18, 2013: Apparent Concrete Pavement/Blocks at Darwin, Mars–

http://www.wretch.cc/album/show.php?i=lin440315&b=20&f=1557019263&p=530

Image source: https://www.facebook.com/photo.php?fbid=723567590991726&set=a.584691531546000.149854.584605114887975&type=1&theater

See also: http://www.gigapan.com/gigapans/140468

Added on Sept. 19: You don’t need an education to recognize these concretes:

http://www.wretch.cc/album/show.php?i=lin440315&b=20&f=1557019264&p=531

Image source: 

https://www.facebook.com/photo.php?fbid=724298584251960&set=a.584691531546000.149854.584605114887975&type=1&theater

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