What do pore linings represent in soil features?

Pore linings in soil represent coatings on the surfaces of soil pores. These coatings can consist of various materials, such as iron oxides, clay minerals, or organic matter, and they play a significant role in the soil's characteristics, including its water retention properties, drainage, and nutrient availability.

The presence of pore linings can influence how water and air move through the soil, impacting root growth and microbial activity. By modifying the surface properties of pores, these linings can affect soil structure and its overall health. Understanding the nature of pore linings is essential for evaluating soil behavior and its suitability for different uses, such as agriculture or construction.