Republic of Nauru. Central Pacific. Nauru is a tiny island (21 square-km). Nauru Phosphate Corporation. Bottom Side. The phosphate mined on the hot dusty interior plateau (Top Side) is brought down to the works near the cantilevers loaders. (Bottom Side). Here the material is crushed, screened, roasted and stored. A new calcination plant removes all carbon and most cadmium (a pollutant) from the phosphate.The end product is the highest grade phosphate available to the chemical and fertilizer manufactures. A worker is greasing a Buell-Allen oil fired Rotary kiln which dries phosphate. © 1999 Didier Ruef