Hero, R. K., Windley, B. F., Ackermand, D. (1984) Grandidierite from a pelitic xenolith in the Haddo House complex, NE Scotland. Mineralogical Magazine, 48 (348) 401-406 doi:10.1180/minmag.1984.048.348.11
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Grandidierite from a pelitic xenolith in the Haddo House complex, NE Scotland | ||
| Journal | Mineralogical Magazine | ISSN | 0026-461X |
| Authors | Hero, R. K. | Author | |
| Windley, B. F. | Author | ||
| Ackermand, D. | Author | ||
| Year | 1984 (September) | Volume | 48 |
| Issue | 348 | ||
| Publisher | Mineralogical Society | ||
| Download URL | https://rruff.info/doclib/MinMag/Volume_48/48-348-401.pdf+ | ||
| DOI | doi:10.1180/minmag.1984.048.348.11Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 3647 | Long-form Identifier | mindat:1:5:3647:8 |
| GUID | 0 | ||
| Full Reference | Hero, R. K., Windley, B. F., Ackermand, D. (1984) Grandidierite from a pelitic xenolith in the Haddo House complex, NE Scotland. Mineralogical Magazine, 48 (348) 401-406 doi:10.1180/minmag.1984.048.348.11 | ||
| Plain Text | Hero, R. K., Windley, B. F., Ackermand, D. (1984) Grandidierite from a pelitic xenolith in the Haddo House complex, NE Scotland. Mineralogical Magazine, 48 (348) 401-406 doi:10.1180/minmag.1984.048.348.11 | ||
| In | (1984, September) Mineralogical Magazine Vol. 48 (348) Mineralogical Society | ||
| Abstract/Notes | Abstract Grandidierite occurs in the outer margin of a biotite-rich pelitic xenolith in norite close to the contact of a tourmaline-bearing granite in the Haddo House norite-gabbro complex. The boron for the grandidierite was derived by metasomatism from the granite. The assemblage is (decreasing order): An55–51 plagioclase (65%), biotite (10%), spinel (10%), cordierite (5%), corundum (5%), ilmenite, grandidierite (< 1%), rutile, sphene, zircon. X Mg range is grandidierite (0.80–0.78) > cordierite (0.78) > biotite (c. 0.59) > spinel (0.35–0.27). The grandidierite has little chemical variation: SiO2, 19.9–20.5%; Al2O3, 51.3–51.9%. A compilation of all grandidierite analyses in the literature shows that the only substitutions are Fe2+ ⇌ Mg and Al ⇌ Fe3+, the X Mg range being 0.98 to 0.19. | ||
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