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Generation of a potassic to ultrapotassic alkaline complex

nbsp 0183 32 3 1 Geology of the Otjimbingwe alkaline Complex OAC The term Otjimbingwe alkaline Complex OAC or Otjimbingwe Syenite is used to describe a suite of rocks broadly syenitic to monzonitic in composition Miller 2008 that form three separate occurrences of mainly sheet- or dyke-like bodies Brandt 1985 Miller 2008...

Mineral and fluid inclusions in diamonds from the Urals

nbsp 0183 32 The crusher was heated to 160 C and flushed with He to remove adsorbed volatiles The released mixture was entrained in a He stream without cryogenic focusing Each analytical run was preceded and followed by blank analyses which later were used in data processing...

Resolving the origin of the Seychelles microcontinent

nbsp 0183 32 After each sample was processed the crusher was cleaned with de-ionized water The samples were then pulverized in an agate mill until the suitable particle size 200 mesh was obtained Three grams of sample 3 0000 177 0 0005 g was added to a ceramic crucible of known mass lid and placed in an oven for 3 h at 105 176 C...

Uranium mining

nbsp 0183 32 Uranium mining is the process of extraction of uranium ore from the ground The worldwide production of uranium in 2015 amounted to 60 496 tonnes Kazakhstan Canada and Australia are the top three producers and together account for 70 of world uranium production Other important uranium producing countries in excess of 1 000 tons per year...

The Density of Common Rocks and Minerals

nbsp 0183 32 The densities of rocks and minerals are normally expressed as specific gravity which is the density of the rock relative to the density of water This isn t as complex as you may think because water s density is 1 gram per cubic centimeter or 1 g/cm 3 Therefore...

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