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#11. Plagioclase Feldspar | Physical-Optical Properties ...

Plagioclase is series of framework silicate minerals in feldspar group. Plagioclase is a continuous series of solid solutions known as the plagioclase ...

#12. Plagioclase - Smith College

One of the most common minerals on Earth. Occurs in nearly all igneous rocks - very common in granites, rhyolites, pegmatites, and similar rocks. Albite tends ...

#13. plagioclase

Plagioclase. Framework Silicates. triclinic (+,-). Relief - low. Colour - colourless. RI - 1.527-1.590. Birefringence - 0.012-0.013.

#14. Plagioclase

Plagioclase (a feldspar) is widespread and common in a wide variety of igneous and metamorphic rocks and, to a much lesser extent, in some immature sedimentary ...

#15. Selected Petrogenic Relationships of Plagioclase

plagioclase from most samples was slight, rarely more than .02 to .04 even in the less pure samples, making it possible to obtain suflicient material for ...

#16. Plagioclase Definition & Meaning | Dictionary.com

Plagioclase definition, any of the feldspar minerals varying in composition from acidic albite, NaAlSi3O8, to basic anorthite, CaAl2Si2O8, found in most ...

#17. plagioclase feldspar - 斜長石 - 國家教育研究院雙語詞彙

plagioclase feldspar. 以plagioclase feldspar 進行詞彙精確檢索結果. 出處/學術領域, 英文詞彙 ...

#18. Category:Plagioclase - Wikimedia Commons

Labradorescent plagioclase feldspar (Marcy Anorthosite, Mesoproterozoic; New York State)‎ (7 F). Labradorite‎ (4 C, 113 F) ...

#19. K-Feldspar and Plagioclase Feldspar

The feldspars are divided into two main groups: Potassium feldspar ("K-spar") and plagioclase ("plag"). Both display two cleavages and an overlapping range ...

#20. Plagioclase definition and meaning | Collins English Dictionary

Plagioclase definition: a series of feldspar minerals consisting of a mixture of sodium and calcium aluminium... | Meaning, pronunciation, translations and ...

#21. Plagioclase - CAMEO

Some rocks that contain plagioclase minerals are: andesite, Basalt, Diabase, Diorite, and Gabbro. Synonyms and Related Terms. soda lime feldspar ...

#22. The replacement of plagioclase feldspars by albite

由 J Hövelmann 著作 · 2010 · 被引用 159 次 — (1985) performed experiments on plagioclase albitisation in an aqueous sodium silicate solution. They reported the formation of Na-rich reaction ...

#23. Analysis of P-1, I-1 and C-1 plagioclase structures - Persée

Analyses des structures PI, IT et Cl des plagioclases. Introduction. The crystal structure of plagioclase feldspars has been the subject of numerous studies ...

#24. plagioclase - Wiktionary

plagioclase (usually uncountable, plural plagioclases). (mineralogy) Any of a group of aluminum silicate feldspathic minerals ranging in their ratio of ...

#25. Plagioclase Meaning | Best 3 Definitions of ... - YourDictionary

Plagioclase meaning · Any of a series of triclinic feldspars, ranging in composition from albite to anorthite and found in many rocks. · Any of a series of common ...

#26. Plagioclase feldspar - Oxford Reference

One of the most important rock-forming silicate minerals with the general formula (Na,Ca)(Al)1–2(Si)2–3O8. There is a solid solution series (see plagioclase ...

#27. (PDF) The replacement of plagioclase feldspars by albite

Re-equilibration of plagioclase in an 18O-enriched sodium- and silica-bearing ... Keywords Plagioclase albitisation Fluid–mineral.

#28. The identification and determination of plagioclase felspars by ...

There appear to be few published data correlating X-ray powder patterns of chemically analysed plagioclase felspars with composition.

#29. Textural Evolution of Plagioclase Feldspar across a Shear Zone

The CPOs of plagioclase feldspars have been analysed in many kinds of deformed rocks, and in high-grade metamorphic rocks the (010) planes ...

#30. Distribution and variation of plagioclase compositions on Mars

mineral in the Martian crust, plagioclase feldspar. [3] Plagioclase is a challenging mineral ... Because plagioclase compositions in terrestrial rocks vary.

#31. [Ca] Plagioclase under microscope - YouTube

#32. Sieve-textured plagioclase in volcanic rocks produced by ...

Rapid decompression may also operate in conjunc- tion with magma mixing. INrnonucrroN. Plagioclase commonly exhibits a variety of disequilib- rium textures in ...

#33. Plagioclase

Plagioclase feldspar is very common in a great variety of rocks, including most volcanic and plutonic igneous rocks and basic and pelitic metamorphic rocks.

#34. plagioclase - 英中 - Linguee | 中英词典（更多其他语言）

大量翻译例句关于"plagioclase" – 英中词典以及8百万条中文译文例句搜索。

#35. Practical Thermobarometry Part 2: Mineral Groups - plagioclase

Plagioclase. Structure, sites and end members. The feldspar structure consists of a three-dimensional framework of Si and Al tetrahedra, ...

#36. Plagioclase feldspars - Encyclopedia.com

Plagioclase Plagioclase is a form of the mineral feldspar . All feldspars are crystals of aluminum, oxygen , and silicon , plus a major additive.

#37. Plagioclase breakdown as an indicator for shock conditions of ...

Shocked meteorites that were formed when their parent body underwent shock metamorphism often contain the mineral plagioclase either in an ...

#38. Laboratory Dissolution of Plagioclase Feldspars in Water and ...

Freshly fractured albite, oligoclase, labradorite, bytownite, anorthite, and a high-K variety of plagioclase in particle sizes between 44 ...

#39. Plagioclase - Definition, Meaning & Synonyms | Vocabulary.com

plagioclase Add to list Share. Definitions of plagioclase. noun. any of a series of triclinic feldspars that form rocks. synonyms: oligoclase.

#40. Plagioclase - chemeurope.com

Plagioclase is a very important series of tectosilicate minerals within the feldspar family. Rather than referring to a particular mineral with a specific ...

#41. Feldspar

The feldspars are divided into 2 broad categories: plagioclase, which contains calcium and sodium; and orthoclase, which contains potassium.

#42. Visible and near infrared diffuse reflectance spectra as - NASA ...

Determination of plagioclase composition using the wavelength of the Fe2~ band may be possible for lunar samples, where the plagioclase can be assumed to be ...

#43. Plagioclase

Plagioclase. Type of feldspar (framework silicate) that ranges from sodium to calcium rich. The chemical formula is (Na,Ca)Al(Si,Al)Si2O8.

#44. Sodium Plagioclase | Geology 1501 | ECU

Sodium Plagioclase. Type, Mineral. Luster, Nonmetallic Glassy. Hardness, 6 > Glass. Cleavage, Yes Prismatic at right angles. Streak, None.

#45. Plagioclase Feldspar | NOVA Mineralogy

The plagioclase feldspars are those within the plagioclase solid solution series. ... Plagioclase feldspars are easy to identify in thin section: they display ...

#46. Study of medium-calcic plagioclase feldspars from coal ash ...

Slags formed within a large boiler were found to contain medium to calcic plagioclase feldspars which, on the evidence of X-ray powder diffraction patterns, ...

#47. Critical Review of Synthesis and Occurrence of Plagioclase ...

Attainment of equilibrium in plagioclase feldspars is severely hampered by the charge linkage between Ca and Al on the one hand and Na and Si on the other ...

#48. Plagioclase Unmixing and the Lower Boundary of the ... - jstor

Single crystal X-ray diffraction data on the submicroscopic unmixing of sodic plagioclase theoretical basis for drawing the lower boundary of the ...

#49. Feldspar - Hyperphysics

Note that the plagioclase differs from the orthoclase in terms of the additional metals, plagioclase having calcium or sodium and orthoclase having potassium.

#50. Plagioclase - The Free Dictionary

Any of a series of common feldspar minerals, consisting of mixtures of sodium and calcium aluminum silicates. Plagioclase is typically white, yellow, or reddish ...

#51. Europium anomaly in plagioclase feldspar - PubMed

The partition of europium between plagioclase feldspar and magmatic liquid is considered in terms of the distribution coefficients for divalent and ...

#52. Plagioclase - Wikiwand

Plagioclase is a series of tectosilicate minerals within the feldspar group. Rather than referring to a particular mineral with a specific chemical ...

#53. 2. Replacement Of Primary Plagioclase By Secondary ... - CSUN

Plagioclase crystals in this cathodoluminescent image are still closer to the myrmekite-bearing granite in strongly altered diorite that lacks hornblende. ( ...

#54. Wisconsin Geological & Natural History Survey » Plagioclase

Description: Plagioclase is a family of feldspar minerals forming a solid solution that ranges, relatively continuously, from pure sodium aluminum silicate ...

#55. Ice nucleation properties of K-feldspar polymorphs and ... - ACP

Five polymorph members of K-feldspar (two microclines, orthoclase, adularia and sanidine) and four plagioclase samples (three labradorites ...

#56. Plagioclase feldspar · Minerals · 1A Collections - University of ...

M403 Plagioclase feldspar, oligoclase. Ytterby, Sweden A cleavage fragment of white plagioclase feldspar. Pearly lustre on cleavage planes

#57. Isomorphous replacement and superlattice structures in the ...

From X-ray oscillation and rotation photographs of a limited number of plagioclase felspars it seems probable that the structure type depends upon the ...

#58. Minerals 1.3 - Radford University

Plagioclase feldspar is identified by its non-metallic, vitreous to pearly luster; white to dark gray color; and two good cleavages at nearly 90o. Plagioclase ...

#59. Plagioclase Feldspar Stock Photos and Images - Alamy

Find the perfect plagioclase feldspar stock photo. Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images.

#60. The Elastic Behavior of Plagioclase Feldspar at High Pressure

Complex behavior has been observed in the Equation of State for plagioclase feldspars in excess of 3 GPa, including an anomalous softening ...

#61. Mapping Trace Element Distribution in Plagioclase | Bruker

The present map shows the distribution of strontium (Sr) in a plagioclase (sodium-calcium feldspar). Sr is a trace element in plagioclases and of special ...

#62. Plagioclase

Plagioclase. Thin Window, Be Window. Thin Window, Be Window. Click on Images to Enlarge. Back to Index.

#63. Theoretical Models of Decompression-Induced Plagioclase ...

Theoretical Models of Decompression-Induced Plagioclase Nucleation and Growth in Hydrated Silica-Rich Melts ... Magma ascending from the storage ...

#64. Origin of the Copper Deposits of the Ducktown Type in the ...

Plate Much of the aplite , especially at Otto , Cullowhee , 1 , A. Microcline of pegmatite cut by veinlet of later plagioclase Ore Knob , and Ducktown ...

#65. plagioclase - WordReference.com Dictionary of English

plagioclase /ˈpleɪdʒɪəʊˌkleɪz/ n. a series of feldspar minerals consisting of a mixture of sodium and calcium aluminium silicates in triclinic crystalline ...

#66. A mechanistic understanding of plagioclase dissolution based ...

A mechanistic understanding of plagioclase dissolution based on Al occupancy and T–O bond length: from geologic carbon sequestration to ambient conditions†.

#67. Feldspar (plagioclase) Specimen (labeled "A"), Pack of 16

Feldspar (plagioclase) Specimen (labeled A), Pack of 16 is a component of the following STC-Elementary unit(s): Rocks and Minerals.

#68. Visible/near-infrared spectra of experimentally shocked ...

High shock pressures cause structural changes in plagioclase feldspars such as mechanical fracturing and disaggregation of the crystal lattice at submicron ...

#69. plagioclase-翻译为中文-例句英语

使用Reverso Context: The main mineral phases are plagioclase, alkali feldspar, quartz with minor biotite.，在英语-中文情境中翻译"plagioclase"

#70. density modulation in a Na-rich plagioclase feldspar

Intermediate plagioclase feldspars commonly display incommensurately modulated or aperiodic structures. Z-contrast images show both Ca–Na ...

#71. Oscillatory Zoning in Plagioclase Feldspar - Science

A kinetic mathematical model of crystal growth from the melt is used to describe quantitatively the phenomenon of oscillatory zoning in plagioclase feldspar ...

#72. Plagioclase Definition & Meaning - Merriam-Webster

The meaning of PLAGIOCLASE is a triclinic feldspar; especially : one having calcium or sodium in its composition.

#73. Plagioclase Feldspar Series Mineral - 2 Pieces of Rock

Plagioclase is also a major contributor to the rocks in the highlands of Earth's moon. It is not a particular mineral with a specific chemical ...

#74. Magnesium diffusion in plagioclase - Case Western Reserve ...

Experimental data are reported on Mg diffusion in plagioclase crystals with a range of anorthite content. (xAn), at temperatures between 800 and 1150 ◦C.

#75. Plagioclase Ingeous Rock Forming Mineral

PLAGIOCLASE #1 ... In felsic igneous rocks Na Plagioclase is common. In intermediate igneous rocks plagioclase becomes more calcium rich but ...

#76. plag. composition. 212 - UBC EOAS

The plagioclase feldspars are conventionally separated into six different named composition ranges: 4. In plane light, compare the index of refraction n' with.

#77. Phase transitions and decomposition relations in calcic ...

Compositions of coexisting plagioclase feldspars in metamorphic rocks constrain the topology of any proposed T-X diagram for the albite-anorthite sys-.

#78. About: Plagioclase - DBpedia

Plagioclase is a series of tectosilicate (framework silicate) minerals within the feldspar group. Rather than referring to a particular mineral with a ...

#79. Plagioclase Feldspar (thin section) :: Rocks and Minerals

Plagioclase Feldspar (thin section). View Description. Download ...

#80. "Plagioclase Corona Around Garnets: Implications of Pressure ...

Textures found in metamorphic rocks provide insights into the metamorphic and tectonic history of the region. Plagioclase coronas around resorbed garnets ...

#81. Plagioclase thin section - Tectosilicates - MicROCKScopic

Plagioclase – (series of minerals in the feldspar group), from Greek for oblique and fracture, in reference to the oblique angle between its best cleavages.

#82. Plagioclase - Identification des minéraux communs

Le plagioclase est le minéral le plus abondant de la croûte terrestre, on trouve du plagioclase dans la plupart des roches ignées intrusives, extrusives et ...

#83. Plagioclase Feldspar | Geology Superstore

Specimens of white coloured Plagioclase Feldspar also known as a Albite-Anorthite Series mineral. The specimens come from Osedalen, Southern Norway and are ...

#84. Plagioclase morphologies in assimilation experiments ...

The complex zoning patterns of plagioclase crystals found in many igneous rocks have attracted the attention of petrologists for a long time. Studies by Vance ( ...

#85. Gallery of Feldspars - ThoughtCo

Plagioclase tends to be more transparent than alkali feldspar; ... True granite contains both alkali and plagioclase feldspars.

#86. Plagioclase hosted Fe-Ti-oxide micro-inclusions in an oceanic ...

Plagioclase hosted Fe-Ti-oxide micro-inclusions in an oceanic gabbro-plagiogranite association from the Mid Atlantic ridge at 13°34' N. Olga ...

#87. Plagioclase Feldspar (Massive) - 1-kg Pkg. - Nasco

Buy Plagioclase Feldspar (Massive) - 1-kg Pkg., SB10619 at Nasco. You will find a unique blend of products for Arts & Crafts, Education, Healthcare, ...

#88. The rheological transition in plagioclase-bearing magmas

During crystallization, magmatic suspensions of anisometric minerals such as plagioclase would develop a solid-particle network earlier (fs ~ ...

#89. Plagioclase mineral - Digitalfire

Materials, M74 Feldspar. Materials, Andesine. URLs, http://en.wikipedia.org/wiki/Plagioclase Plagioclase on Wikipedia. Minerals, Albite. Minerals, Anorthite.

#90. K Rb fractionation by plagioclase feldspars - Macquarie ...

Such a K-Rb relationship is not shown by metamorphic plagioclase. High K Rb ratios in gabbroic or anorthositic rocks may not indicate a "mantle" origin but ...

#91. Mars Global Data Sets: TES Plagioclase Abundance

Name: TES Plagioclase Abundance. Resolution: 4ppd. Scale: 16kmpp. Projection: Simple cylindrical, -180E to 180E, 90N to -90N, 'ocentric. Layout: Single file.

#92. Index of /Micropol/endogen/mx/plagioclase

Index of /Micropol/endogen/mx/plagioclase. [ICO], Name · Last modified · Size · Description. [DIR], Parent Directory, -. [VID], LPA.mp4, 09-Apr-2021 15:53 ...

#93. Plagioclase news and latest updates - Phys.org

News tagged with plagioclase. Advanced analysis of Apollo sample illuminates Moon's evolution. Dec 14, 2021. Moon's crust underwent resurfacing after ...

#94. Plagioclase - Msrblog

Plagioclase is a series of tectosilicate (framework silicate) minerals within the feldspar group, that form a solid solution series ranging from pure albite ...

#95. Plagioclase - Stock Image - C050/3178 - Science Photo Library

#96. minerals - SEPM Strata

In felsic igneous rocks na plagioclase is common. In intermediate igneous rocks plagioclase becomes more calcium rich but the color tends to ...

#97. Sodium Plagioclase Feldspar (Albite), Canada ...

Download and buy this stock image: Sodium Plagioclase Feldspar (Albite), Canada - Z5Y-2530040 from agefotostock's photo library of over 110+ million high ...

#98. What's the difference between plagioclase and orthoclase?

Plagioclase feldspars lack potassium, are light colored and are usually striated. The other k-spar minerals are sanidine, microcline and anorthoclase.

#99. Plagioclase (english Version) - Mineralienatlas Lexikon

Plagioclase · Plagioklas Views (Image: 1486064891): 11958 · Plagioklas · Ein 5cm x 4.5cm x 4.5cm grosser Plagioklaskristall; Gefunden in Iveland in Norwegen im ...