Weathering and erosion slowly chisel ... Without the erosive forces of water, wind, and ice, rock debris would simply pile up where it forms and obscure from view nature's weathered sculptures.

Erosion is the process of moving the small pieces of rock formed by weathering. Erosion occurs from the action of water or wind. Rock particles can be transported by rivers and form sedimentary rocks.

"The idea of weathering was connoting sort of how a rock, for example, would be weathered by hundreds of years of rain and wind," she said. "It's gonna affect it [and] absolutely wear it down.

but in addition to this a certain amount is removed by weathering. Because of the heterogenous distribution of uranium in acid rocks (for example, granites), the effect of hydrothermal solutions ...