BHP Billiton to Halt Bauxite Exploration at Guinea and rsquo;s Boffa Site
9:10 AM EST By Jan. 27 (Bloomberg) — BHP Billiton Ltd. plans to prevent bauxite expedition at its Boffa-Santou-Houda place in Guinea, the worlds large exporter of the ore, after prices for metal dropped, said Jean-Francois David, the companys president…