Altura Mining Limited revised production and sales guidance for the quarter ending December 2019. For the quarter, the company expected to total approximately 45,000 ­ 50,000 wmt (previous guidance 53,000 to­ 57,000 wmt). For the quarter ending December 2019, the company expected sales to reach approximately 40,000 dmt (previous guidance 50,000 ­to 55,000 dmt).