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Quartz-pebble conglomerates, uranium

Quartz crystals, growth of, 14 93, 94 Quartz-pebble conglomerate uranium deposits, 17 520... [Pg.780]

Pyritic, uranium-bearing, quartz-pebble conglomerates have been found in Canada, in South Africa, in Brazil and in western Australia. The conglomerates are all of similar aspect and the minerals of interest are of similar character. [Pg.503]

The bulk of the world s uranium has been produced historically from (1) lower Proterozoic uraninite placer deposits in quartz-pebble conglomerates, (2) epigenetic uranium deposits in sandstones located in many cases at, or near, groundwater oxidation-reduction interfaces and (3) hydrothermal vein uranium deposits. These three distinctly different geologic environments provided most of the uranium that was produced from the 1940s to the early 1970s and they continue to be important exploration targets in the search for new uranium deposits. [Pg.102]

Quartz-pebble (Oligomictic) conglomerate uranium deposits... [Pg.117]

See other pages where Quartz-pebble conglomerates, uranium is mentioned: [Pg.74]    [Pg.499]    [Pg.276]    [Pg.314]    [Pg.496]    [Pg.497]    [Pg.322]    [Pg.250]    [Pg.23]    [Pg.92]    [Pg.92]    [Pg.106]    [Pg.118]    [Pg.119]    [Pg.120]    [Pg.128]    [Pg.178]    [Pg.313]    [Pg.313]    [Pg.118]   


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Quartz-pebble conglomerates, uranium deposits

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