Forest Elephants

In the Conga, forest elephants gather to perform a crucial survival act. Living in smaller groups, they enjoy socializing but primarily seek minerals in clay, which are vital for their diet and neutralize toxins from leaves. After gathering, they return to their herds and vanish into the jungle.

What does the clay that forest elephants seek contain that is essential for their diet?

What do forest elephants do after socializing over the minerals they gather?