Academic literature on the topic 'Perthite'

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Journal articles on the topic "Perthite"

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NAKANO, Satoshi. "Alkali Feldspar: Perthite Problems." Journal of the Mineralogical Society of Japan 21, no. 3 (1992): 161–73. http://dx.doi.org/10.2465/gkk1952.21.161.

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Bhattacharyya, Sudip, and P. Sengupta. "Modelling of dissolution–reprecipitation ion-exchange reactions for the development of flame perthite in a suite of sheared alkaline rocks: an example from Chimakurthy, Eastern Ghats, India." Mineralogical Magazine 78, no. 5 (2014): 1301–23. http://dx.doi.org/10.1180/minmag.2014.078.5.14.

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AbstractA suite of sheared syenites occurring along the western margin of the Eastern Ghats Belt, India have developed extensive flame perthite in K-feldspar. Albite flames show large variation in size, shape and abundance. Field, petrographic and chemical evidence suggests complex interplay between differential stress, recycling of K-Na-Ca and supply of Na by infiltration for the development of flame perthite. Partial replacement of pyroxenes, plagioclase and alkali feldspar by amphibole, biotite, nepheline and calcite causes internal recycling of Na-Ca-K in a closed system. Representative co
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Lee, Martin R., and Ian Parsons. "Diffusion-controlled and replacement microtextures in alkali feldspars from two pegmatites: Perth, Ontario and Keystone, South Dakota." Mineralogical Magazine 79, no. 7 (2015): 1711–35. http://dx.doi.org/10.1180/minmag.2015.079.7.21.

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AbstractMacro- and micro-perthitic microclines from pegmatites from Perth, Ontario (Wards catalogue 46 E 0510) and Keystone, South Dakota (Wards 46 E 5125) have been studied using light and electron microscopy. A sample of the type perthite from Perth, Ontario (Hunterian Museum, Glasgow, M2361)was compared using light microscopy. It differs in bulk composition and microtexture from the Wards sample. The Perth sample from Wards is a mesoperthite, with sub-periodic ∼mm-thick albite veins near (100), with irregular surfaces. The microcline has regular tartan twins and formed fromorthoclase by a c
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Lee, Martin R., Kim A. Waldron, and Ian Parsons. "Exsolution and alteration microtextures in alkali feldspar phenocrysts from the Shap granite." Mineralogical Magazine 59, no. 394 (1995): 63–78. http://dx.doi.org/10.1180/minmag.1995.59.394.06.

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AbstractAlkali feldspar phenocrysts (bulk composition Or75.0Ab24.6An0.4) in the subsolvus Shap granite comprise a fine-scale mixture of subregular pristine crypto- and micro-perthites with altered, micropore-rich feldspar with irregular microstructures. The regular perthites are strain-controlled intergrowths of Albite and/or Periclinetwinned albite exsolution lamellae within tweed orthoclase. The microperthites formed at ⩽ 590°C by heterogeneous nucleation of thin albite films which coarsened to > 1 µm length. Cryptoperthites developed at < 400°C by homogeneous nucleation of sub-µm long
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Soliman, C. "Thermoluminescence of the blue emission band of perthite." Radiation Effects and Defects in Solids 159, no. 2 (2004): 107–14. http://dx.doi.org/10.1080/01411590310001637026.

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Brooks, C. K. "New occurrences of undersaturated syenites from the southern Blosseville Coast, East Greenland." Bulletin of the Geological Society of Denmark 38 (February 18, 1991): 153–59. http://dx.doi.org/10.37570/bgsd-1990-38-14.

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This note reports hitherto undescribed nepheline-sodalite syenites from I. C. Jacobsen Fjord and Ryberg Fjord. Numerous syenite erratics have been encountered at I. C. Jacobsen Fjord. They are believed to come from a single intrusion in the immediate neighbourhood which has not yet been located. They consist Iargely of perthite with nepheline, sodalite, salitic pyroxene, hastingsitic amphibole, sphene and Fe-Ti oxide. They resemble the pulaskites of the Kangerdlugssuaq intrusion. On the side of the Sorgenfri Gletscher at the head of Ryberg Fjord an extensive area of peralkaline syenite has bee
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Prasad, G., and K. V. Rao. "Dielectric properties and thermal expansion of perthite single crystals." Journal of Materials Science Letters 9, no. 10 (1990): 1200–1202. http://dx.doi.org/10.1007/bf00721891.

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Prasad, G., and K. V. Rao. "Study of X-ray-induced defects in perthite crystals." Journal of Materials Science Letters 10, no. 22 (1991): 1312–14. http://dx.doi.org/10.1007/bf00722645.

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Vernon, R. H. "Flame perthite in metapelitic gneisses at Cooma, SE Australia." American Mineralogist 84, no. 11-12 (1999): 1760–65. http://dx.doi.org/10.2138/am-1999-11-1205.

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Kontonikas-Charos, Alkis, Cristiana L. Ciobanu, Nigel J. Cook, et al. "Feldspar mineralogy and rare-earth element (re)mobilization in iron-oxide copper gold systems from South Australia: a nanoscale study." Mineralogical Magazine 82, S1 (2018): S173—S197. http://dx.doi.org/10.1180/minmag.2017.081.040.

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ABSTRACTNanoscale characterization (TEM on FIB-SEM-prepared foils) was undertaken on feldspars undergoing transformation from early post-magmatic (deuteric) to hydrothermal stages in granites hosting the Olympic Dam Cu-U-Au-Ag deposit, and from the Cu-Au skarn at Hillside within the same iron-oxide copper-gold (IOCG) province, South Australia. These include complex perthitic textures, anomalously Ba-, Fe-, or REE-rich compositions, and REE-flourocarbonate + molybdenite assemblages which pseudomorph pre-existing feldspars. Epitaxial orientations between cryptoperthite (magmatic), patch perthite
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Dissertations / Theses on the topic "Perthite"

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Lundh, Jon. "A lithogeochemical study of northern Sweden and the Kiruna and Malmberget iron-apatite ore deposits." Thesis, Uppsala universitet, Berggrundsgeologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-227039.

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The iron apatite mineralizations of northern Sweden are mainly situated in supracrustal rocks and are thought to have formed during approximately the same time as the major plutonic suites in northern Sweden. In this thesis the Malmberget iron apatite ore deposit have been compared to the Kiruna iron apatite ore deposit to see whether the role of hydrothermal processes are different between the two ore districts. Also, since it has proven problematic to distinguish between the different mafic and ultramafic members of the major plutonic suites in northern Sweden (i.e. the Haparanda suite (1.94
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Meyer, Sheets Julia Catherine. "Microtextural controls on the alteration of microcline perthites from the Spruce Pine District, North Carolina /." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487854314871372.

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Court, Marc. "Actualité, pensée théologico-politique et dramaturgie édition critique de "Pertharite roy des Lombards", tragédie de Pierre Corneille /." Lille 3 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37604089x.

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Court, Marc. "Actualité, pensée Théologico-Politique, et dramaturgie : édition critique de "Pertharite Roy des Lombards", tragédie de Pierre Corneille." Paris 3, 1987. http://www.theses.fr/1987PA030044.

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Premiere partie : a) situation : le temps et les thèmes avant Pertharite. (Histoire de France et évolution de Corneille d'Andromède à Nicomède). B) sources littéraires, sources historiques. Le problème des influences : Shakespeare, Scudéry, la fronde, la guerre civile anglaise vue du continent. Conséquences des deux dernières sur les rôles, vus a mi-chemin entre réalité et fiction (voir notre étude). Leur responsabilité dans l'échec. Deuxième partie : étude du mécanisme théâtral de Pertharite dans ses grandeurs et ses limites. (pièce subordonnée à l'expression d'un message loyaliste et concili
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Books on the topic "Perthite"

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Los Montes Azules de Bryn Arvon: Perthi Gleision Bryn Arfon. Jornada, 2010.

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Everett, Steven Albert. Formation and properties of perthiyl radicals as studied by photochemical and radiation chemical methods. The author], 1992.

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Pryer, Lynn Louise. A model for the origin of flame perthite: the roles of retrograde metamorphism and differential stress. 1993.

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Pertharite, roy des Lombards. eBooksLib, 2009.

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Book chapters on the topic "Perthite"

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Tsuchiya, N., K. Nakatsuka, and Y. Yamagishi. "Kinetics and modeling of perthite dissolution in a hydrothermal acid solution." In Water-Rock Interaction. Routledge, 2021. http://dx.doi.org/10.1201/9780203734049-39.

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"guttate perthite." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_73008.

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"interlock(ing) perthite." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_91389.

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"gesprenkelter Perthit m." In Wörterbuch GeoTechnik/Dictionary Geotechnical Engineering. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-33335-4_71800.

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"Perthit m mit ineinandergreifenden Albit- und Mikroklinteilen." In Wörterbuch GeoTechnik/Dictionary Geotechnical Engineering. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-33335-4_160472.

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Conference papers on the topic "Perthite"

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Cohen, B., I. Dinstein, and M. Eyal. "Computerized classification of color textured perthite images." In Proceedings of 13th International Conference on Pattern Recognition. IEEE, 1996. http://dx.doi.org/10.1109/icpr.1996.546894.

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