Lava flows from cracks in the earth and hardens into basalt, what type of rock result, is the answer sedimentary
No.
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No, the correct answer is igneous rock.
To understand why, let's break it down:
1. Lava: Lava is molten rock that is released during a volcanic eruption or from cracks in the Earth's crust. It is extremely hot and can reach temperatures of over 1,000 degrees Celsius.
2. Basalt: Basalt is a common type of volcanic rock that is formed when lava cools and solidifies. It is typically dark-colored and has a fine-grained texture.
3. Rock Classification: Rocks can be classified into three main types based on their formation process: sedimentary, igneous, and metamorphic.
- Sedimentary rocks are formed from the accumulation and cementation of sediments, such as sand, silt, and clay.
- Igneous rocks are formed from the cooling and solidification of molten rock or lava.
- Metamorphic rocks are formed when existing rocks undergo changes in temperature, pressure, or chemical composition due to intense heat and pressure.
In this case, the basalt that forms from the cooling and hardening of lava is an example of an igneous rock. This process happens quickly as the lava rapidly cools upon exposure to the Earth's surface, resulting in the formation of fine-grained rocks like basalt. Sedimentary rocks, on the other hand, are formed over a much longer period as sediments accumulate and lithify.
It's important to note that confusing igneous rocks like basalt with sedimentary rocks can be a common mistake, as some sedimentary rocks like sandstone can resemble basalt in appearance. However, the key difference lies in the formation process, which is crucial in identifying the rock correctly.