1796 R. Kirwan (ed. 2) II. 45 Mineral Pitch, Asphaltum. Mineral Tar exposed to a moderate heat, and the action of the air, hardens into this substance.
1910 I. 482/2 At Selinitza..there is a remarkable deposit of mineral pitch which was extensively worked in Roman times.
1991 Oct. 68/2 (table) Drilling fluids product directory... Loss circulation, sealing materials... Mineral pitch drilling sealant.