The white deposits are calcium and other minerals found in our water or in fertilizers. The wicking action of the clay causes them to accumulate on the outside, where they will not harm pot or plant.

The Revelwood area is where you’ll find most clay deposits, and since the majority of them are above the shroud, you don’t ...

About 68% of total groundwater used in the county goes to agriculture, an integral aspect ... deep Oxnard Subbasin that has complex layers of clay between its five underground aquifers.

But setting up a mine to extract the massive deposit of lithium in Thacker Pass is not a simple task: it will require a wholly new process to separate the lithium from its natural clay deposit.

The world's lithium supply is normally contained in hard rock or dissolved in brine deposits, which are pools of salty groundwater. The clay lithium deposits at Thacker Pass are unusual.