Field guide No. 1140

A slab of layered dark rock juts out from a basalt cliff over a wide braided river valley under a pale sky. It is cut square, and appears to be the only part of the landscape with a plan.

Margin of error

Measured to the nearest cliff.

A slab of layered dark rock juts out from a basalt cliff over a wide braided river valley under a pale sky. It is cut square, and appears to be the only part of the landscape with a plan.

Field noteA square-cut slab juts from a basalt cliff over a braided river, the only tidy thing in the valley.

Specimen
No. 1140
Kind
Possible (the golden mountain kind)
Breaks
Physics
Where it doesn’t exist
A basalt cliff, naturally rough.
Nearest existing relative
a cantilevered rock ledge.
Filed in Fresh slop as
Surreal

Also possible, also breaking physics