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  • MIA012: Tool Wrench

MIA012: Tool Wrench




Mars Report Ref: MIA012

Report date: July-August 2017

Research Status: Open - Possible machined artefact

Description: Tool Wrench
Approximate size:  20 cm

Mission: Spirit Rover
Location: Gusev Crater

Found by: Rolf Varga

Image date: Sol 527, June 2005
Image credit: NASA/JPL/Cornell

Graphics/image editing: M. J. Craig

Image source:


This wrench/spanner-like object has a clearly defined artificial, manufactured look about it. Imaged first on Sol 527, further pictures of it appeared on Sols 540 and 541 at a slightly different angle, offering an analytical perspective as to its true structure (see images below).


Distinct angular and machined appearance. Significantly different character in appearance to the other local rocks surrounding it. It also lays close to several other unusual shaped objects, suggesting the possibility that the object is possibly just one piece of a pile of technological debris.  


A ventifact (a piece of rock shaped by the erosive action of wind-blown sand).

MIA012.2  Tool Wrench: close-up - Sol 527

Image credit: NASA/JPL/Cornell

MIA012.4 Tool Wrench: from colour panorama PIA04182.

Image credit: NASA/JPL/Cornell

Image source:

MIA012.1 Tool Wrench: laying amongst a varied assortment of odd shaped objects, rather than a consistent variety of rocks and rubble.

Image credit: NASA/JPL/Cornell

Image source:

MIA012.3 Tool wrench: from a distance - from colour panorama PIA04182.

Image credit: NASA/JPL/Cornell

Image source:

MIA012.5 Tool Wrench: Moving sequence revealing structural perspective.

Image credits: NASA/JPL/Cornell

GIF sequence: M. J. Craig

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