C.—2.

MINERAL PRODUCTION. The following statement shows the quantity and value of the production of metalliferous mines, stone-quarries under the Stone-quarries Act, and of coal-mines during 1930 and 1929 : —

The value of minerals, including kauri-gum, exported and of the coal used in the Dominion, which is shown in Table No. 1 accompanying this Statement, amounted to £3,339,285, as compared with £3,337,871 during 1929. The total value of such minerals exported to the end of 1930 amounted to £176,142,551. GOLD AND SILVER MINING. The following statement shows the quantity and value of bullion-production, the dividends paid by registered companies, and the number of productive claims and gold-dredges during 1930 and 1929 : —

COAL-MINING. The output of the several classes of coal mined in each inspection district is summarized as follows :—

6

1930. 1929. Mineral. : : Quantity. Value. • Quantity. Value. £ £ Gold and silver* .. .. 639,795 oz. 550,978 571,320 oz. 527,340 Platinum ., . . . - .. „ 16 7 „ 36 Tungsten-ore.. .. .. 23|§tons 1,207 22-1-3 tons 2,613 Sulphur .. .. .. .. 849" „ 13,261 967" „ 13,918 Iron .. .. .. 8,075 „ 40,375 4,393 „ 21.965 Stone .. .. .. .. .. 413,291 .. 479,199 Pumice .. .. .. .. 2,559 „ 8,472 2,242 „ 8,298 Coal .. .. .. .. 2,542,092 „ 2,542,092 2,535,864 „ 2,535,864 Silica-sand .. .. .. .. ,, 27 318 „ 159 Quicksilver .. .. .. .. l|§ ,, 1,080 Totals .. .. .. .. £3,570,799 .. £3,589,392 * The gold-silver bullion is generally exported unseparated.

Dividends Number of ProducProduction of Bullion. paid by Registered tive Claims and , „ ,, . . Companies. Dredges. Class of Gold-mming. 1930. 1929. 1930. 1929. 1930. 1929. i j j Oz. £ Oz. £ £ £ Quartz .. .. 620,303 472,841 548,689 437,287 ; 100,908 100,906 26 26 Alluvial.. .. 8,954 35,067 9,807 37,822 805 490 306 252 Dredging .. 10,538 43,070 12,824 52,231 , .. 1,641 3 5 Totals .. 639,795 550,978 571,320 527,340 101,713 103,037 335 283

Output of Coal during 1930. Total Output Glass of Coal. Northern i West Coast Southern FniSlnril District District District Total. (North Island).j (South Island). (South Island) Tons. Tons. Tons. Tons. Tons. Bituminous and sub-bitu- 140,911 1,241,964 .. 1,382,875 44.569,085 minous Brown .. .. .. 625,401 43,710 377,566 1,046,677 24,813,231 Lignite .. .. .. .. 397 112,143 112,540 4,440,475 Totals for 1930 .. 766,312 1,286,071 489,709 2,542,092 73,840,791 Totals for 1929 .. 769,858 1,290,008 475,998 2,535,864 71,298,699