* Magma is molten rock found beneath the Earth's surface.

* The upper mantle is a layer of the Earth that lies beneath the crust.

So, while magma is formed in the mantle, it's not specifically found only in the upper mantle. Here's why:

* Magma generation: Magma is primarily generated in the lower mantle due to high temperatures and pressure.

* Rise of magma: The molten rock, being less dense than the surrounding solid rock, rises through the mantle.

* Magma chambers: As it ascends, magma can collect in magma chambers, which can exist at various depths within the mantle, including the upper mantle.

Therefore, while magma originates in the lower mantle, it can be found in the upper mantle as well, especially within magma chambers.