C.U.S.A. Mineral Resources, 1917, Geol. Surv.
C.U.S.A. Mineral Resources, 1917, Geol. Surv.
D. Estimates not available.
D. Estimates not available.
E.Records of Geol. Survey, India.
E.Records of Geol. Survey, India.
F.Mineral Production, Mines Dept., Canada. Figures are for alluvial production only, and far belowactualproduction figures, not including Ontario production from nickel matte, for which only incomplete information is available. [See p.25.]
F.Mineral Production, Mines Dept., Canada. Figures are for alluvial production only, and far belowactualproduction figures, not including Ontario production from nickel matte, for which only incomplete information is available. [See p.25.]
G.Mining Journal, November 30, 1918, p. 700, andMineral Industry.
G.Mining Journal, November 30, 1918, p. 700, andMineral Industry.
H.Mines and Quarries Reports, Home Office.
H.Mines and Quarries Reports, Home Office.
I.Annual Rept. Dept. of Mines.
I.Annual Rept. Dept. of Mines.
J.Mineral Industry.These areofficialfigures for production;actualproduction is much greater than these.
J.Mineral Industry.These areofficialfigures for production;actualproduction is much greater than these.
K. Estimated.
K. Estimated.
L.Dept. of Mines Reports(platinum obtained from copper matte).
L.Dept. of Mines Reports(platinum obtained from copper matte).
The market value of platinum has risen considerably since 1880. In that year the price was 12s.7½d.per oz. troy, in 1890 it was 25s.3d., and in 1900, 63s.1½d.The average prices in London and New York for the years 1910–1919 were as shown on the accompanying tables:
1910, 1915, 1916 and 1917—Metal Market Year Book. 1911, 1912, 1913 and 1914—Mining Magazine.
1910, 1914, 1915, 1916 and 1917—U.S. Geol. Surv. Mineral Resources.
1911, 1912, 1913, 1918 and 1919—Eng. and Min. Journ., vol. 107, No. 2, p. 77.
M. The price was fixed on May 14, 1918, at $105.
M. The price was fixed on May 14, 1918, at $105.