Distribution of boron in the Tip Top pegmatite, Black Hills, South Dakota
Journal Article
·
· Geology; (United States)
Experimental evidence has shown the importance of boron on the crystallization behavior of granitic systems; however, the intercrystalline and intracrystalline distribution of boron in mineral phases crystallizing from granitic systems is not well documented. The distribution of boron between coexisting phases in the Tip Top pegmatite, South Dakota, is as follows: beryl ca = quartz ca = triphylite ca = montebrasite ca = potassium feldspar < biotite < albite < muscovite < spodumene << tourmaline. The bulk boron content of the Tip Top pegmatite decreases significantly with the termination of tourmaline crystallization. The significant decrease in boron in the inner zones of the pegmatite is consistent with the depletion of boron in the granite melt by either the crystallization of tourmaline from the granitic melt or the partitioning of boron into an exsolved aqueous solutions. 35 references.
- Research Organization:
- South Dakota School of Mines and Technology, Rapid City
- DOE Contract Number:
- FG01-84ER13259
- OSTI ID:
- 6913721
- Journal Information:
- Geology; (United States), Journal Name: Geology; (United States) Vol. 14:2; ISSN GLGYB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
58 GEOSCIENCES
580400* -- Geochemistry-- (-1989)
ALBITE
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM SILICATES
BERYL
BERYLLIUM COMPOUNDS
BERYLLIUM SILICATES
BIOTITE
BORON
BORON COMPOUNDS
BORON SILICATES
CHALCOGENIDES
CHEMISTRY
CRYSTALLIZATION
DISTRIBUTION
ELEMENTS
FEDERAL REGION VIII
FELDSPARS
GEOCHEMISTRY
GEOLOGIC DEPOSITS
GRANITES
IGNEOUS ROCKS
MICA
MINERALS
MUSCOVITE
NORTH AMERICA
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PEGMATITES
PHASE TRANSFORMATIONS
PLUTONIC ROCKS
QUARTZ
ROCKS
SEMIMETALS
SILICATE MINERALS
SILICATES
SILICON COMPOUNDS
SILICON OXIDES
SOUTH DAKOTA
TOURMALINE
USA
580400* -- Geochemistry-- (-1989)
ALBITE
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM SILICATES
BERYL
BERYLLIUM COMPOUNDS
BERYLLIUM SILICATES
BIOTITE
BORON
BORON COMPOUNDS
BORON SILICATES
CHALCOGENIDES
CHEMISTRY
CRYSTALLIZATION
DISTRIBUTION
ELEMENTS
FEDERAL REGION VIII
FELDSPARS
GEOCHEMISTRY
GEOLOGIC DEPOSITS
GRANITES
IGNEOUS ROCKS
MICA
MINERALS
MUSCOVITE
NORTH AMERICA
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PEGMATITES
PHASE TRANSFORMATIONS
PLUTONIC ROCKS
QUARTZ
ROCKS
SEMIMETALS
SILICATE MINERALS
SILICATES
SILICON COMPOUNDS
SILICON OXIDES
SOUTH DAKOTA
TOURMALINE
USA