| Reference Type | Journal (article/letter/editorial) |
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| Title | Image analysis of petrographic textures and fabrics using semivariance |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Swan, Andrew R. H. | Author |
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| Garratt, Jane A. | Author |
| Year | 1995 (June) | Volume | 59 |
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| Issue | 395 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_59/59-395-189.pdf+ |
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| DOI | doi:10.1180/minmag.1995.059.395.03Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 2635 | Long-form Identifier | mindat:1:5:2635:6 |
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| GUID | 0 |
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| Full Reference | Swan, Andrew R. H., Garratt, Jane A. (1995) Image analysis of petrographic textures and fabrics using semivariance. Mineralogical Magazine, 59 (395) 189-196 doi:10.1180/minmag.1995.059.395.03 |
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| Plain Text | Swan, Andrew R. H., Garratt, Jane A. (1995) Image analysis of petrographic textures and fabrics using semivariance. Mineralogical Magazine, 59 (395) 189-196 doi:10.1180/minmag.1995.059.395.03 |
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| In | (1995, June) Mineralogical Magazine Vol. 59 (395) Mineralogical Society |
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| Abstract/Notes | AbstractMany subjective descriptive terms such as ‘smooth’, ‘coarse’ and ‘anisotropic’ are routinely used to convey properties of textures and fabrics, but these aspects of geological objects are not easily quantifiable. The use of directional semivariograms of image greylevels is assessed for this purpose. These quantify anisotropy of ‘coarseness/fineness’ by using semivariogram ranges, and ‘roughness/smoothness’ by using semivariogram sill values. These can be summarized by ellipses derived from semivariogram ranges and directions. The method will find applications in analysis of rock thin sections as well as analysis of surface texture of grains and microfossils. |
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