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Sapphirine + quartz association from Archean rocks in Enderby Land, Antarctica
- E. Grew
- Geology
- 1 October 1980
Quartzites and granulites containing the sapphirine-quartz association are found in the pyroxene-granulite-facies Archean Napier complex in the Tula Mountains and Amundsen Bay areas of Enderby Land,…
Nomenclature of the garnet supergroup
- E. Grew, A. Locock, S. Mills, I. Galuskina, E. Galuskin, U. Hålenius
- Geology
- 1 April 2013
The garnet supergroup includes all minerals isostructural with garnet regardless of what elements occupy the four atomic sites, i.e., the supergroup includes several chemical classes. There are…
Osumilite in the sapphirine-quartz terrane of Enderby Land, Antarctica; implications for osumilite petrogenesis in the granulite facies
- E. Grew
- Geology
- 1 August 1982
Borosilicates (exclusive of tourmaline) and boron in rock-forming minerals in metamorphic environments
- E. Grew
- Geology
- 1996
Recommended nomenclature for the sapphirine and surinamite groups (sapphirine supergroup)
- E. Grew, U. Hålenius, M. Pasero, J. Barbier
- GeologyMineralogical Magazine
- 1 August 2008
Abstract Minerals isostructural with sapphirine-1A, sapphirine-2M, and surinamite are closely related chain silicates that pose nomenclature problems because of the large number of sites and…
Carbonaceous Material in Some Metamorphic Rocks of New England and Other Areas
- E. Grew
- GeologyThe Journal of Geology
- 1 January 1974
Carbonaceous material in regionally metamorphosed coal, black slate, graphite schist, and mica schist shows the following continuous changes with increasing metamorphic grade: increase in particle…
Archean Rocks in Antarctica: 2.5-Billion-Year Uranium-Lead Ages of Pegmatites in Enderby Land
Uranium-lead isotopic data indicate that the granulite-facies Napier complex of Enderby Land, Antarctica, was cut by charnockitic pegmatites 2.5 billion years ago and by pegmatites lacking…
Linking structure and chemistry in the schorl-dravite series
- Erich S. Bloodaxe, John M. Hughes, M. Dyar, E. Grew, C. Guidotti
- Chemistry
- 1 June 1999
Nine tourmaline crystals for which major and minor element composition data are available have been examined by single-crystal X-ray structure refinement. The single crystals were then analyzed for…
Borate Minerals and Origin of the RNA World
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