Reference Type | Journal (article/letter/editorial) |
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Title | Formation of laths in fine-grained micas and its relationship to stacking mechanism |
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Journal | Mineralogical Magazine |
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Authors | Güven, N. | Author |
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Year | 1974 (September) | Volume | 39 |
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Issue | 307 |
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Publisher | Mineralogical Society |
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Download URL | https://rruff.info/doclib/MinMag/Volume_39/39-307-788.pdf+ |
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DOI | doi:10.1180/minmag.1974.039.307.05Search in ResearchGate |
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| Generate Citation Formats |
Mindat Ref. ID | 6780 | Long-form Identifier | mindat:1:5:6780:9 |
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GUID | 0 |
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Full Reference | Güven, N. (1974) Formation of laths in fine-grained micas and its relationship to stacking mechanism. Mineralogical Magazine, 39 (307) 788-792 doi:10.1180/minmag.1974.039.307.05 |
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Plain Text | Güven, N. (1974) Formation of laths in fine-grained micas and its relationship to stacking mechanism. Mineralogical Magazine, 39 (307) 788-792 doi:10.1180/minmag.1974.039.307.05 |
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In | (1974, September) Mineralogical Magazine Vol. 39 (307) Mineralogical Society |
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Abstract/Notes | SummaryTransmission electron images of fine-grained micas from various clay deposits exhibit lath-shaped units arranged in modes similar to the stacking of layers in different mica polymorphs. Micas in a Georgia bentonite display two sets of parallel laths intersecting at an angle of 120°. Selected area electron diffraction (SAD) of these micas gives a sharp spot pattern indicating a perfect registry between the lattices of individual laths. Furthermore, the SAD pattern has an intensity distribution similar to that of a 2M1 dioctahedral mica. Another mica in an India bentonite shows one set of parallel laths with an intensity distribution expected from a IM biotite. Some of the micas in the Marblehead illite exhibit three sets of parallel laths in a trigonal arrangement similar to the stacking in 3T mica. |
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