The Scottish Environment Statistics - 1998

2. LAND

Table 2.37 Mineral production, 1991-19961 thousand tonnes Mineral 1991 1992 1993 1994 1995 1996 Clay and shale 686 664 622 512 855 588 Limestone2 2,018 1,410 1,432 1,650 1,540 1,607 Igneous rock 19,588 20,064 20,806 20,672 21,731 19,933 Sandstone 1,555 1,658 1,716 1,772 2,400 2,172 Sand and gravel 12,226 11,774 11,359 11,423 10,889 9,904 Industrial sands 553 526 511 * 544 564 Talc 11 5 5 5 4 5 Peat3 357 423 380 606 701 570 Source:ONS 1 Scotland has over this period produced other minerals, eg Barytes, fireclay, lead, silver, gold , zinc, and honestone, but for confidentiality reasons production is not enclosed. However, apart from Barytes and fire clay these minerals are ususally only produced in small amounts. 2 Includes dolomite used for sconstructional purposes. 3 Production figures frorn peat (thousand cubic metres) have only been collected since 1991.