TOOL FOUND ON MARS?

Re-Debunked: Screw Head Impression From X-Ray Spectrometer?

Amazing Mars Anomaly discovered by Microscopic Imager :: Sol 3720, NASA has explained this to be a screw head impression from the X-Ray Spectrometer, by enhancing the image i was able to get more detail where we are now able to see what looks like a handle on top of the impression and what looks like a cutting blade bottom of the impression, is it really a screw impression like NASA says it is, or NASA covering up something? thanks for watching!

Original RAW Image from NASA:
http://mars.jpl.nasa.gov/mer/gallery/all/1/m/3720/1M458433044EFFCEQKP2955M2M1.JPG

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http://mars-alive.blogspot.ca/

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Blue Sizzle - Madness Paranoia by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100385
Artist: http://incompetech.com/