As magma heats in the mantle, it becomes , and begins to
, This results in the magma traveling to the crust where it cools and becomes
,rock.
As magma heats in the mantle, it becomes molten and begins to rise. This results in the magma traveling to the crust where it cools and becomes solid, forming igneous rock.
As magma heats in the mantle, it becomes less viscous and begins to ascend. This results in the magma traveling to the crust where it cools and solidifies, becoming igneous rock.
As magma heats in the mantle, it becomes less dense and begins to rise. This results in the magma traveling to the crust where it cools and becomes solid, forming igneous rock.
To understand why this happens, let's break down the process step by step:
1. Magma formation: Magma is formed deep within the Earth's mantle. It consists of molten rock, gases, and minerals. This molten material is generated by the combination of high temperatures and the melting of rocks under immense pressure.
2. Density and buoyancy: Magma is less dense than the surrounding solid rock in the mantle. Density refers to the mass of an object divided by its volume, and in this case, magma is less massive per unit volume compared to the solid rocks. Because of this difference in density, magma is buoyant and tends to rise towards the Earth's surface.
3. Upward movement: As magma heats up due to the high temperature within the mantle, it becomes less dense than the surrounding rocks. This reduced density allows the magma to start its upward movement through the Earth's crust.
4. Igneous rock formation: As the magma reaches the cooler crust, it starts to lose heat to its surroundings. This cooling process causes the magma to solidify and crystallize, resulting in the formation of igneous rock. Igneous rocks are made up of interlocking mineral crystals that form when the molten magma cools and solidifies.
In summary, the heating of magma in the mantle causes it to become less dense, which allows it to rise towards the Earth's surface. When the magma reaches the cooler crust, it cools and solidifies, forming igneous rock.