The threat of the impending cyclone Catastrophe halted Process_end local industries such as oil production Manufacturing and iron ore mining Participation and exporting Sending .

The Port of Port Hedland , a highly important iron ore shipping terminal , was forced to close for about 52 hours , contributing Giving to inflated Cause_change_of_position_on_a_scale iron ore prices and delayed Change_event_time shipments .

Multiple companies suspended Process_end work at oil fields and mines throughout the region , cutting national oil production Manufacturing by 25 % and iron ore exports Sending by 4.7 % versus the previous month .

This included Cause_to_be_included about $ 1 million at current value in lost cargo totalling about 68,300 tons , such as coal , iron ore , and grain .

These included opening an Anglo-French front in the Balkans , invading Attack Norway to seize control of Germany 's main source of iron ore and a strike Attack against the Soviet Union , to cut off Removing its supply of oil to Germany .