M J Craig, Secretmars.com
Did Ancient Martians Use the Same Building Techniques as Us?
Updated: Sep 23, 2022
Mars Report Ref: MIA-047
Approximate size: 15-20 cm
Mission: Curiosity Rover
Location: Gale Crater
Identified by: Rami Bar Ilan
Image date: Sol 1448 Sep 2016
Image credit: NASA/JPL-Caltech/MSSS
Graphics/image editing: Secret Mars
Image source: https://mars.nasa.gov/msl-raw-images/msss/01448/mcam/1448MR0071730430703097E01_DXXX.jpg
This object is fairly close to the rover and therefore due to the clarity of the image, the rectilinear shape is quite unambiguous, at least from the angle we can see due to the angle of imaging...
Full report and analysis...