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Calc spar

Calcium carbonate CaCOs Calclte calc spar chalk creta oraeclpltata limestone marble whitening whiting. [Pg.6]

At Itshinokawa, the veins occur in sericite schist, having as gangue materials quartz and a little calc-spar, banded with druses which contain very large beautiful crystals. (A.) At the Nakase mine, the stibnite is gold-bearing. (B.)... [Pg.56]

Mountains have been followed for a distance of 3 km. (2 miles), cutting crystalline schists. According to A. Schmidt, the veins are especially rich when the country is a chloritic or graphiiac schist. The principal vein-fillings are quartz, calc-spar, Stibnite, stibiconite, and pyrite. The country, that is, the graphitic schists, is sometimes so impregnated with stibnite, that it may be profitably worked for a distance of 3 to 4 metres away from the walls of the veins. (A and C.)... [Pg.49]

See other pages where Calc spar is mentioned: [Pg.306]    [Pg.307]    [Pg.235]    [Pg.13]    [Pg.126]    [Pg.109]    [Pg.6]    [Pg.46]    [Pg.48]    [Pg.49]    [Pg.50]    [Pg.294]    [Pg.717]    [Pg.729]    [Pg.48]    [Pg.50]    [Pg.570]    [Pg.306]    [Pg.307]    [Pg.235]    [Pg.13]    [Pg.126]    [Pg.109]    [Pg.6]    [Pg.46]    [Pg.48]    [Pg.49]    [Pg.50]    [Pg.294]    [Pg.717]    [Pg.729]    [Pg.48]    [Pg.50]    [Pg.570]    [Pg.723]    [Pg.46]    [Pg.74]    [Pg.571]   
See also in sourсe #XX -- [ Pg.570 , Pg.581 ]



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