1. Volcanic Eruption: Magma erupts from volcanoes as lava.

2. Cooling and Solidification: The lava cools and solidifies into igneous rock. This can be a long process, sometimes taking millions of years.

3. Weathering: The igneous rock is broken down by various weathering agents like:

* Physical Weathering: Wind, rain, ice, and temperature changes break the rock into smaller pieces.

* Chemical Weathering: Water, acids, and oxygen react with the rock, altering its composition.

4. Erosion: Wind, water, and ice transport the broken rock fragments to new locations.

5. Deposition: The fragments settle, often in valleys, forming a layer of sediment.

6. Soil Formation: Over time, the sediment layer interacts with organic matter (decaying plants and animals), microorganisms, and other environmental factors. This process, known as pedogenesis, transforms the sediment into soil.

Essentially, it's a long and complex process of rock breakdown, transportation, and interaction with organic matter and other environmental factors that ultimately creates soil.