Global dependence on a limited number of countries for specific mineral commodities could lead to sudden supply disruptions for the United States, and barite is one such commodity. Analyses of barite supply amounts and sources for the United States are
Bleiwas, Donald I. bleiwas@usgs.gov,Miller, M. Michael mmiller1@usgs.gov. Barite: a case study of import reliance on an essential material for oil and gas exploration and development drilling. 2015-01-01.