C.—2

APPENDICES TO THE MINES STATEMENT.

APPENDIX A,

REPORTS RELATING TO METALLIFEROUS MINES AND STONE - QUARRIES.

The Inspecting Engineer of Mines to the Under-Secretary of Mines. Sir, — Wellington, 2nd July, 1931. I have the honour to present my report on metalliferous mines and stone-quarries, together with statistical information, for the year ended 31st December, 1930. In accordance with the usual practice, the tables showing expenditure on roads, bridges, tracks, prospecting operations, &c., are for the period covered by the financial year —viz., from the Ist April, 1930, to the 31st March, 1931. The reports, &c., are divided into the following sections : I. Minerals produced and exported. 11. Persons employed. 111. Accidents. IV. Gold-mining—(l) Quartz-mining ; (2) Dredge Mining ; (3) Alluvial Mining. V. Minerals other than Gold. YI. Stone-quarry Inspection and Statistics. VII. State Aid to Mining—(l) Subsidized Prospecting ; (2) Government Prospecting-drills ; (3) Subsidized Roads on Goldfields. Annexures : (A) Summary of Reports by Inspectors of Mines. (B) Summary of Report by Inspector of Quarries. (C) Mining Statistics.

I. MINERALS PRODUCED AND EXPORTED. The following statement shows the quantity and value of the production of metal-mines and of the value of the production from stone-quarries under the Stone-quarries Act during 1930 and 1929 : —

Tlie following statement shows the value of New Zealand minerals (other than coal and coke) and allied substances exported from the Ist January, 1853, to the 31st December, 1930 : —

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1930. 1929. Mineral. : Quantity. Value. Quantity. Value. ■ ■ . Oz. dwt. £ Oz. £ Gold and silver (estimated) .. .. .. 639,795 0 550,978 571,320 527,340 Platinum .. .. .. .. .. 2 10 16 7 36 Tons cwt. Tons cwt. Tungsten-ore .. .. .. 23 13 1,207 22 13 2,613 Iron .. .. .. .. .. 8,075 0 40,375 4,393 0 21,965 Stone .. .. .. .. .. .. 413,291 .. 479,199 Pumice .. .. .. .. 2,559 0 8,472 2,242 0 8,298 Sulphur .. .. .. .. 849 0 13,261 967 0 13,918 Silica-sand .. .. . . . . .. 53 19 27 318 0 159 Quicksilver.. .. .. .. .. 1 16 1,080 Totals .. .. .. .. .. 1,028,707 .. 1,053,528

7 " : . I I Total from the 1st 1930. 1920. Increase or Decrease. theTu/befembtr 1930. £ £ £ £ Gold .. .. •• •• 550,678 480,212 Inc. 70,466 94,458,512 Silver .. •• •• • • 44,534 41,475 „ 3,059 3,189,674 Tungsten-ore .. •• •• 1,469 3,468 Dec. 1,999 311,209 Kauri-gum .. •• •• 189,635 267,610 ,, 77,975 22,831,767 Pig iron .. .. •• .. 29 .. Inc. 29 6,615 Quicksilver .. •• •• 1,188 .. ,, 1,188 9,524 Manganese-ore .. .. .. 5 .. ,, 5 62,011 Sancf lime, and building-stone .. 9,265 8,842 ,, 423) Other minerals .. .. • . 172 210 Dec. 38) Totals .. .. 796,975 801,817 Dec. 4 S 842 121,361,637