Question

You use a drill rig to explore the subsurface of a large slope for ancient slumps and may encounter any of the following features downhole or in core samples you recover from the drill hole. Which feature is least likely to indicate a failure surface of the slump?

Answer 1

Answer: Layer of conglomerate

Explanation:

Conglomerate is referred to as or known as the coarse-grained sedimentary rock which is mostly composed from the substantial fraction or parts of sub-angular to rounded clasts of gravel size, i.e. pebbles, granules, boulders, and cobbles, that are larger than 0.079 inches in the diameter. Conglomerates tends to form by lithification and consolidation and of the gravel.