How can an igneous rock turn into a sedimentary rock?(1 point) Responses through erosion, pressure and cementation through erosion, pressure and cementation through heat, erosion and pressure through heat, erosion and pressure through cementation, pressure and erosion through cementation, pressure and erosion through erosion, heat and pressure
Through erosion, heat and pressure.
How can an igneous rock turn into a sedimentary rock?(1 point) Responses through erosion, pressure and cementation through erosion, pressure and cementation through heat, erosion and pressure through heat, erosion and pressure through cementation, pressure and erosion through cementation, pressure and erosion through erosion, heat and pressure
Through erosion, weathering, transport, deposition, compaction, and cementation.
An igneous rock can turn into a sedimentary rock through erosion, pressure, and cementation.
Here is a step-by-step explanation:
1. Erosion: The first step in the transformation process is erosion. Weathering and other erosive forces break down the igneous rock into smaller fragments, which are commonly referred to as sediment.
2. Pressure: Over time, layers of sediment accumulate and are buried under the weight of additional sediment. The immense pressure from the weight of the overlying sediment gradually compacts the layers beneath.
3. Cementation: As the sediment becomes compacted, the particles within it start to bind together. This binding occurs due to various minerals dissolved in groundwater. These dissolved minerals act as a cementing agent, filling the spaces between the sediment particles and forming a solid rock mass.
After these three steps (erosion, pressure, and cementation) have occurred, the original igneous rock is transformed into a sedimentary rock.
An igneous rock can turn into a sedimentary rock through a process called "weathering and erosion," followed by "transportation and deposition," and then "lithification."
1. Weathering and Erosion: The first step involves the physical or chemical breakdown of the igneous rock through exposure to environmental elements like wind, water, and temperature changes. This process is known as weathering and can cause the rock to crumble into smaller pieces.
2. Transportation and Deposition: Once the igneous rock has weathered, the resulting fragmented pieces, known as sediments, need to be transported to a new location. This can occur through forces like wind, water, or ice. Over time, the sediments are carried away and deposited in a different area, often in bodies of water such as rivers, lakes, or oceans.
3. Lithification: In this final step, the deposited sediments undergo lithification, which includes two main processes: compaction and cementation.
- Compaction: As more and more sediments accumulate on top of the deposited layer, the weight from the overlying sediments compresses the sediments beneath. This pressure helps to squeeze out any air or water between the sediments, causing them to become tightly packed.
- Cementation: Within the compacted sediments, mineral-rich groundwater can seep through the spaces, carrying dissolved minerals. Over time, these minerals precipitate and act as a natural glue, binding the sediments together. This process is known as cementation.
After the sediments have undergone compaction and cementation, they transform into a solid rock known as sedimentary rock. This rock is formed by the accumulation of fragments of pre-existing rocks or organic materials.