| Reference Type | Journal (article/letter/editorial) |
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| Title | Porphyroblast textural sector-zoning and matrix displacement |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Rice, A. H. N. | Author |
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| Mitchell, J. I. | Author |
| Year | 1991 (September) | Volume | 55 |
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| Issue | 380 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_55/55-380-379.pdf+ |
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| DOI | doi:10.1180/minmag.1991.055.380.08Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 1742 | Long-form Identifier | mindat:1:5:1742:2 |
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| GUID | 0 |
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| Full Reference | Rice, A. H. N., Mitchell, J. I. (1991) Porphyroblast textural sector-zoning and matrix displacement. Mineralogical Magazine, 55 (380) 379-396 doi:10.1180/minmag.1991.055.380.08 |
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| Plain Text | Rice, A. H. N., Mitchell, J. I. (1991) Porphyroblast textural sector-zoning and matrix displacement. Mineralogical Magazine, 55 (380) 379-396 doi:10.1180/minmag.1991.055.380.08 |
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| In | (1991, September) Mineralogical Magazine Vol. 55 (380) Mineralogical Society |
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| Abstract/Notes | AbstractThere is an association between the development of cleavage domes, a texture reflecting the displacement of insoluble matrix grains by porphyroblasts growing under a bulk hydrostatic stress, and textural sector-zoning. This has been found in garnet, staurolite, chiastolite, pyrite and possibly emerald porphyroblasts. Sector-zoned porphyroblasts form by lineage growth normal to the crystal faces. This causes several distinctive textures (type 1 inclusions and type 2 intergrowths, inclusion bands, growth prongs), all of which are directly or indirectly related to displacement growth. Graphite or other carbonaceous material is ubiquitous in samples showing textural sector-zoning. |
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