| | Book | Republic) Norway Portugal Roumania Sweden U.S.S.R. Angola Burundi Canary Islands Chad Republic Democratic...Haematite Fe,O, Pyrites FeS, Sphene(Titanite) CaTiSiO, Ilmenite FeTiO, Zircon Zr,SiO, Eudialyte (Eucolite) (Na...nepheline-syenite is taken over the short distances from the quarry to the processing-plant by truck in Canada, and...130 tons of sodalite-syenite? from the Princess Quarry near Bancroft, Ontario, were shipped to England...the Loynes Valley and in the vicinity of the old quarry at Aultivullin, where an unusual rock called borolanite | | | Report (issue) | sedimentary basin indicate an extensive geologic province (Churchill) affected strongly by the Hudsonian...at 1,650-1,850 m.y. The subsurface extentofthis province can be roughly outlined. 'Survival' values characterize...characterize the contact zones between the Churchill province and the older cratons and suggest a possible preHudsonian...magmatic activity is present within the Churchill province and is possibly regionally time-related to the...samples from the San Victoria deposit in La Rioja province. This confirms De Alba's hypothesis that this |
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