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sillimanite<br />
united Kingdom summary 2000–2004<br />
Commodity 2000 2001 2002 2003 2004 2000 2001 2002 2003 2004<br />
98<br />
Tonnes £ thousand<br />
sillimanite<br />
Imports<br />
Sillimanite minerals (a) 28 081 28 470 18 588 22 649 24 348 3 614 2 511 2 071 2 752 2 525<br />
Mullite 5 198 5 174 10 006 8 656 12 060 1 955 3 016 3 341 2 696 3 010<br />
Chamotte earth (b) 23 804 19 300 14 925 11 013 18 010 3 170 3 526 2 551 1 939 1 870<br />
Exports<br />
Sillimanite minerals (a) 53 54 175 47 56 15 11 74 12 19<br />
Mullite 6 689 6 841 4 379 3 191 1 915 4 534 4 722 3 308 2 197 1 462<br />
Chamotte earth (b) 80 290 103 111 198 61 170 41 65 114<br />
(a) Andalusite, kyanite and sillimanite. (b) Calcined refractory clay including flint clay.<br />
silver<br />
united Kingdom summary 2000–2004<br />
Commodity 2000 2001 2002 2003 2004 2000 2001 2002 2003 2004<br />
Tonnes £ thousand<br />
silver<br />
Imports<br />
Scrap (a) 4 887 4 472 4 074 2 952 2 468 226 927 279 096 266 183 191 927 151 213<br />
Unwrought 1 971 2 986 2 457 2 038 1 458 247 622 314 655 298 772 238 727 203 270<br />
Partly worked 570 486 1 324 447 584 70 618 59 019 59 309 47 123 57 745<br />
Silver in unrefined lead bullion (b) 280 390 390 340 260<br />
Exports<br />
Scrap (a) 3 455 7 269 3 776 2 444 2 386 10 717 10 880 24 161 21 299 16 120<br />
Unwrought 3 230 2 048 1 388 3 095 1 457 356 454 160 052 143 895 268 641 187 983<br />
Partly worked 231 234 110 334 296 20 781 22 338 10 675 13 049 22 819<br />
(a) Including scrap of platinum group metals. (b) BGS estimates of silver content of unrefined lead bullion imported<br />
from Australia (see p.58).<br />
slate<br />
united Kingdom summary 2000–2004<br />
Commodity 2000 2001 2002 2003 2004 2000 2001 2002 2003 2004<br />
Tonnes £ thousand<br />
slate<br />
Production<br />
Architectural and cladding<br />
uses, roofing and damp proof<br />
courses 51 000 45 000 82 000 ... ...<br />
Powder and granules 24 000 27 000 ... ... ...<br />
Crude blocks 33 000 39 000 38 000 33 000 43 000<br />
Fill and other uses 371 000 440 000 622 000 728 000 681 000<br />
Total 479 000 551 000 742 000 832 000 901 000<br />
Imports<br />
Unworked (a) 26 672 27 351 28 168 29 690 34 314 6 416 6 844 6 823 7 047 7 480<br />
Roofing and wall tiles 99 332 112 325 125 257 139 819 160 877 32 157 35 162 40 572 45 227 51 233<br />
Other worked slate (b) 7 502 8 581 21 162 15 601 60 720 2 404 2 761 4 825 4 486 9 847<br />
Exports<br />
Unworked (a) 1 272 467 653 774 3 763 329 427 359 690 617<br />
Roofing and wall tiles 10 199 10 814 7 146 11 978 16 917 4 254 4 687 3 990 7 070 9 445<br />
Other worked slate (b) 4 724 2 119 1 658 2 313 1 919 5 504 4 102 2 500 2 675 2 140<br />
(a) Including roughly split or squared. (b) Including articles of slate or agglomerated slate.
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