Page 15 - califmining1924

STATISTICS OF ANNUAL PRODUCTION. 13

By Substances.
The followiug table shows the coinparutive yield of mineral substances
of ('alifornia for 1923 and 1924, as compiled from the returns received
at the State ilinini? Bureau, San Francisco, in answer to inquiries sent
to producers:

1923 1924
Increase+
Substance Decrease —
Value
Amount Value Amount Value
Asbestos 20 tons $200 70 tons $4,750 $4,550+
Barytes 2,925 tons 16,058 16,058—
Bituminous rock. _ . 2,945 tons 11,780 6,040 tons 14,922 3,142+
62,667 tons 1,893,798 52,070 tons 1.599,149 294,649—
Brick and hollow tile. 9,738,082 9,137,908 600,174—
Cement... 10,825,405 bbls. 25,999.203 11,655,131bbls. 23,225,850 2,773,352—
Chromite . . . 84 tons 1,658 350 tons 6,700 5,042+
Clay (pottery)... 376,863 tons 697,841 417,928 tons 651,857 45,984—
Coal... 1,010 tons 5,090 1,425 tons 8,800 3,710+
Copper. . . 28,246,860 lbs. 4,166,989 52.089,349 lbs. 6,823,704 2,656,715+
Dolomite 69,519 tons 142,615 28,843 tons 71,271 71,344—
Feldspar 11,100 tons 81,800 9,055 tons 68,112 13,688—
Fuller's earth. 3,650 tons 55,125 5,290 tons 67,295 12,170+
Gems.. 13,220 4,800 8,420—
Gold 13,379,013 13,150,175 228,838—
Granite. 760.081 1,211.046 450 965+
Gypsum 86,410 tons 289,136 25,569 tons 53,210 235 926-
Iron ore . . 3,102 tons 18,665 *
Iyead._, 9,934,522 lbs. 695,416 4,984,387 lbs. 398,751 296,665—
Lime... 70,894 tons 788.834 62,029 tons < 03,355 85,479—
Limestone. .. 143,266 tons 348,464 219 476 tons 582,660 234,196+
109 tons 2,269 2,269+
Magnesitc.- 73,963 tons 946,643 67,236 tons 900,183 46,460—
Magnesium salts 3,662 tons 116,031 4,823 tons 145,883 29,852+
Manganese ore . 690 tons 10,620 1,115 tons 25,785 15,165+
Marble 28,015 cu. ft. 124,919 "61,579 cu. ft. 140,253 15,334+
Mineral paint 1,049 tons 11,773 532 tons 5.234 6,539—
5,487,276 gals. 616,919 8,159,211 gals. 818,726 201,807+
Natural gas . . 240,405,397Mcu. ft. 15,661,433 209,921,596 M cu. ft. 15,153,140 508,293—
14,220 cu. ft. 2.510 b +
Petroleum 262,875,690 bbls. 242,731,309 228,933,471 bbls. 274.652,874 31,921,565+
602 fine oz. 78,546 273 fine oz. 36,452 42,094—
Potash 29,597 tons 709,836 33,107 tons 747,407 37,571+
Pumice and volcanic ash. . . 2,936 tons 16,309 4,919 tons 33,404 17,095+
Pj-rites-. 148,004tons 555,308 124,214tons 517.835 37.473—
5,458 flasks 332,851 7.948 flasks 543,080 210,229+
Salt 275,979 tons 1,130,670 318,800 tons 1.159,137 28,467+
7,000 cu. ft. 13,000 6,700 cu. ft. 3.600 9,400—
Silica (sand and quartz) 7,964 tons 30,420 6,808 tons 35,006 4,586+
Silver.... 3,559,443 fine oz. 2,918,743 3,555,153 fine oz. 2.381,952 536,791—
Soapstone and talc. 17,439 tons 252.661 16.179 tons 242,770 9,891—
Soda.. 34,885 tons 764,284 32,536 tons 711,796 52,488—
15,395,652 15,966,380 570 728+
Tungsten concentrates 34 tons 19,126 781 tons 446,009 426,883+
Zinc . . 3,060,000 lbs. 198,900 198,900+
''2.482,047 «1,968.399 513,648—
Total values $344,024,678 $374,620,789
Net increase $30,596,111 +
* Sec under ' unapportioued.'
• Includes onjTCand travertine,
i' Combined with marble.
" Includes macadam, balhvst, rubble, riprap, paving blocks, sand, gravel, and grindiug-mill pebbles.
<' Includes diatomaceous earth, calcium chloride, shale oil, sillimanite-andalusite, and sulphur.
' Includes calcium chloride, diatomaceous earth, iron ore, shale oil, sillimanite-andalusite, sulphur, aluminum sul-
phate, glauber salt, potash alum, mica schist, radio galena crystals, arsenic.