Black Stone Minerals (NYSE:BSM) reported quarterly earnings of $0.04 per share which missed the analyst consensus estimate of $0.32 by 87.5 percent. This is a 85.19 percent decrease over earnings of $0.27 per share from the same period last year. The company reported quarterly sales of $59.25 million which missed the analyst consensus estimate of $117.32 million by 49.50 percent. This is a 43.83 percent decrease over sales of $105.49 million the same period last year.