Sediments
Explanation
The geological process of weathering, specifically mechanical (physical) weathering. This is an exogenic process where rocks are disintegrated into smaller fragments by physical forces without any change in their chemical composition.Option Analysis:
- Magma is incorrect: Magma is molten rock material located beneath the Earth's surface. It is formed by the melting of rocks under high pressure and temperature in the mantle or crust, not by mechanical fragmentation.
- Sediments is correct: Sediments are the solid particles (such as sand, silt, clay, and gravel) produced when pre-existing rocks undergo weathering and erosion. These fragments are transported by agents like water, wind, or ice and are the precursors to sedimentary rocks.
- Fossils is incorrect: Fossils are the preserved remains, traces, or impressions of ancient organisms (plants and animals). While they are typically found within sedimentary rocks, they are biological in origin and not the result of rock fragmentation.
- Ores is incorrect: Ores are rocks or sediments containing a sufficient concentration of minerals with economically important elements (usually metals). The definition of an ore is based on its economic value and mineral content, not the mechanical process of fragmentation.
Key Takeaway: Mechanical weathering is the process that breaks down rocks into smaller particles known as sediments, which are essential components in the formation of sedimentary rocks within the rock cycle.