British Guiana: The Land of Six PeoplesH.M. Stationery Office, 1957 - Broj stranica: 235 |
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Rezultati 1 - 5 od 84.
Stranica 3
... columbite , pyrochlore , tantalite , and tapiolite . The gangue minerals , calcite , microcline , and quartz , were studied to a lesser extent . All specimens were identified petrographically and , where necessary , were further ...
... columbite , pyrochlore , tantalite , and tapiolite . The gangue minerals , calcite , microcline , and quartz , were studied to a lesser extent . All specimens were identified petrographically and , where necessary , were further ...
Stranica 5
... columbite - tantalite weight - percent Ta205 in columbite - tantalite weight - percent MnO + FeO in columbite tantalite There is also a linear relationship between the ratio of columbium oxide to columbium oxide plus tantalum oxide and ...
... columbite - tantalite weight - percent Ta205 in columbite - tantalite weight - percent MnO + FeO in columbite tantalite There is also a linear relationship between the ratio of columbium oxide to columbium oxide plus tantalum oxide and ...
Stranica 9
... columbite Potassic and sodic feldspar , scrap mica . Potassic and sodic feldspar , scrap mica , columbite . Potassic feldspar , scrap mica . Potassic and sodic feldspar , scrap mica , columbite , spodumene , lepidolite , phosphates ...
... columbite Potassic and sodic feldspar , scrap mica . Potassic and sodic feldspar , scrap mica , columbite . Potassic feldspar , scrap mica . Potassic and sodic feldspar , scrap mica , columbite , spodumene , lepidolite , phosphates ...
Stranica 14
... Columbite and Beryl . Tin . Tin . Tin , Columbite / Tantalite , Bis- muth and Wolfram . Tin and Wolfram . Beryl , Tantalite and Microlite . Beryl , Tin and Columbite . Phosphate . Beryl , Tin and Tantalite / Columbite . Beryl ...
... Columbite and Beryl . Tin . Tin . Tin , Columbite / Tantalite , Bis- muth and Wolfram . Tin and Wolfram . Beryl , Tantalite and Microlite . Beryl , Tin and Columbite . Phosphate . Beryl , Tin and Tantalite / Columbite . Beryl ...
Stranica 14
... Columbite - tantalite Brazil Columbite - tantalite Canada Tantalite Malaysia . Columbite 22390 33 1120 24.0 39.6 30 622 124.4 186.6 30 37 1.1 11.1 2 40 14 N.r. N.r. N.r. Strüverite N.r. 10 42 N.r. 4.2 Namibia ... Tantalite N.r. 14 7 ...
... Columbite - tantalite Brazil Columbite - tantalite Canada Tantalite Malaysia . Columbite 22390 33 1120 24.0 39.6 30 622 124.4 186.6 30 37 1.1 11.1 2 40 14 N.r. N.r. N.r. Strüverite N.r. 10 42 N.r. 4.2 Namibia ... Tantalite N.r. 14 7 ...
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acres African agricultural Albouystown Amerindians Bartica bauxite Berbice Bookers Britain British Guiana building built CALIFOR canals cane Carib Caribbean cattle cent Cheddi Jagan coast coastal coastlands coconut Colony Colony's coloured columbite Commission Constitution Courantyne Demerara District Drainage and Irrigation Dutch East Indian economic elected English Essequibo factory Federation feet fields forest Georgetown gold Government Governor greenheart Guianese interests Interior Issano Kamarang labour land live Mackenzie malaria manager Mazaruni ment miles Morawhanna Negro North-West Obeah officer Orinoco People's Progressive Party plantations planters political Pomeroon population Port Mourant Potaro Potaro River produced Raleigh rice river road Robertson Report Rupununi Sand Creek Sasabonsam savannas schemes schools slaves soil Street sugar estates sugar industry survey tion told town trees Tumatumari village wallaba West Indies workers علا