Clay minerals are an integral part of the global water and nutrient cycles. They indicate past environmental conditions and play an important role in catastrophic events. Clay minerals exist when ...

Thousands of mysterious clay mounds found on Mars were formed by ancient water on the Red Planet's barren northern plains, ...

Soil is composed of solid particles and pore spaces ... wastes into compounds usable by plants. The mineral component of soil is made up of clay, silt, and sand particles. The relative amounts ...