More than 1,000 striking South African miners have demonstrated at Lonmin's Marikana mine, where police shot dead 34 of their colleagues last month...As the violence spreads across several mines, workers have gone on strike and threatened to halt production in all mines if salaries and living conditions are not improved...Talks between Lonmin management, unions and the government to ease tensions and get the striking miners back to work were due to resume at 1000 GMT in the nearby city of Rustenburg. But the Marikana march suggested chances of a breakthrough were slim. South Africa has been rocked by mining violence since August 16 when police shot and killed 34 striking miners at Lonmin platinum mine in Marikana. The miners were demanding a 300 per cent pay rise. [also refers to Gold One International