However, a fresh, unweathered surface is typically gray or greenish gray in color, and careful examination of the unweathered rock reveals the presence of tiny flakes of mica.
Bedrock is the solid unweathered rock which underlies loose earth material such as soil, sand, and gravel.
But unlike disintegration, decomposition produces rock materials that are basically different from the original unweathered rock.
The color of unweathered till depends on that of the materials of which it is composed.
There is a gradual transition from residual waste into the unweathered rock beneath.
Except where composed chiefly of sand or coarser stuff, unweathered till is often exceedingly dense.
Occasionally the subsoil is a clay loam for several inches before grading into the unweathered mica particles.
Where the areas of conglomerate lie near faster falling streams, the irregular masses of unweathered rocks appear.
The Na Raro rocks are light grey with a specific gravity in the unweathered state of about 2ยท6, and display macroscopic crystals of glassy plagioclase and hornblende.
Though it is not easy to find a good, unweathered specimen of the rock, it would appear that Na-Wi represents an old volcanic neck.
D] During the summer of 1857 he carefully experimented with coloured liquids on the Mer de Glace and its tributaries, and in no case was he able to discover these fissures in the soundunweathered ice.
On the clean unweathered walls of some crevasses, and in the channels worn in the ice by glacier-streams, they are most distinctly seen, and are often exquisitely beautiful.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "unweathered" in a variety of sentences. We hope that you will now be able to make sentences using this word.