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#11. 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 ...

#12. ALEX STREKEISEN-Plagioclase-

Plagioclase feldspars are the most common feldspar minerals because calcium is somewhat more common in the crust than potassium (3.6 and 2.8 percent of the ...

#13. 3.2 Identifications of rocks and minerals in the field

Feldspars : Hardness Usually plagioclase is white and potassium feldspar (orthoclase) is pink. Easy to distinguish from quartz as they are usually opaque not ...

#14. Plagioclase feldspar - Oxford Reference

plagioclase feldspar. Quick Reference. One of the most important rock-forming silicate minerals with the general formula (Na,Ca)( ...

#15. 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 ...

#16. Gallery of Feldspars - ThoughtCo

The igneous rocks basalt (extrusive) and gabbro (intrusive) contain feldspar that is almost exclusively plagioclase. True granite contains both ...

#17. 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

#18. Plagioclase Mineral Data - Mineralogy Database

Comments: Rectangular cleavage fragment of salmon-orange oligoclase (sunstone) feldspar. Location: Norway. Scale: 47x30x7 mm. © John Betts - Fine Minerals ...

#19. Feldspar

The feldspars are a family of silicate minerals which occur in igneous rocks. ... The plagioclase feldspars represent the "continuous branch" of Bowen's ...

#20. Plagioclase - rocks and minerals - The University of ...

Plagioclase is a member of the feldspar group (like orthoclase) and is a framework silicate. Plagioclase consists of a solid solution between the albite and ...

#21. 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.

#22. 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 ...

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

A major constituent mineral found within the Earth's crust, Plagioclase is an important tool in petrology, which is the study of identifying the composition ...

#24. Plagioclase - Geology is the Way

Plagioclase feldspars occur in nearly all igneous rocks, from granites to gabbros and their volcanic counterparts. In general, plagioclase feldspars are more ...

#25. Chemical Composition of Plagioclase Feldspar in Diorite

Download scientific diagram | Chemical Composition of Plagioclase Feldspar in Diorite from publication: Mineral Chemistry And Geochemistry Of ...

#26. 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 ...

#27. 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 ...

#28. 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 ...

#29. Elasticity of plagioclase feldspars - Brown - 2016 - AGU Journals

Abstract Elastic properties are reported for eight plagioclase feldspars that span compositions from albite (NaSi3AlO8) to anorthite ...

#30. 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 ...

#31. Drill Core Logging of Plagioclase ... - GeoScienceWorld

Abstract. Plagioclase feldspar composition is a potentially useful geobarometer and indicator for metasomatism in many styles of gold and ...

#32. Illinois State Geological Survey Feldspar | ISGS

Plagioclase feldspars contain varying amounts of calcium and/or sodium, and color is commonly white or gray. A diagnostic feature is fine lines or ...

#33. 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 ...

#34. Plagioclase feldspars: Activity-composition relations based ...

Activity-composition relations in plagioclase feldspars are modeled using both Darken's quadratic formalism (DQD and Landau theory. In DQF, the thermodynamics ...

#35. 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 ...

#36. Feldspar - Sandatlas

Plagioclase feldspars are albite, oligoclase, andesine, labradorite, bytownite, and anorthite. This rock sample (alkali feldspar syenite) does not contain much ...

#37. A dissolution-reprecipitation mechanism for the ... - Persée

Weathered plagioclase feldspars from rock, saprolite and soil were studied by optical ... Feldspar dissolution and replacement are therefore discussed ...

#38. Feldspar | Earth Sciences Museum | University of Waterloo

The main feldspars in this grouping include: Oligoclase; Andesine; Labradorite; Bytownite; Anorthite. close-up of feldspar specimen. Plagioclase Feldspar and ...

#39. High-pressure and high-temperature study of intermediate ...

Plagioclase feldspar series along anorthite (CaAl 2 Si 2 O 8 ) - albite (NaAlSi 3 O 8 ) join are the most abundant constituents of igneous rocks found in ...

#40. 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, ...

#41. plagioclase feldspar造句 - 查查在線詞典

Dolerite is composed of an intrusive volcanic rock of plagioclase feldspar that is harder than granite. Common felsic minerals include quartz, muscovite, ...

#42. 3.4 Classification of Igneous Rock – Physical Geology

... left (K-feldspar, quartz, and plagioclase feldspar) from the ferromagnesian silicates in the upper right (biotite, amphibole, pyroxene, and olivine).

#43. 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 ...

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

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

#45. Plagioclase - Smith College

The presense of parallel striae on cleavage surfaces distinguishes plagioclase from K-feldspar. Can be confused with quartz if there is no twinning, ...

#46. Plagioclase-feldspar Meaning | Best 1 Definitions of ...

What does plagioclase-feldspar mean? Any of a series of triclinic feldspars that are a common constituent of rocks, consisting primarily of a mixture of ...

#47. plagioclase feldspar是什么意思 - 海词词典

海词词典,最权威的学习词典,为您提供plagioclase feldspar的在线翻译,plagioclase feldspar是什么意思,plagioclase feldspar的真人发音,权威用法和精选例句等。

#48. Ice nucleation properties of K-feldspar polymorphs ... - ACP

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

#49. plagioclase feldspar - The Worlds of David Darling

Plagioclase feldspar is a group of common, widely-distributed feldspar minerals (the most abundant group of minerals on Earth), composed of varying ...

#50. plagioclase feldspar | AZGS Document Repository

Granitic rocks are classified by their relative proportions of quartz, plagioclase feldspar, and potassium feldspar. Geologic mapping in the Mesa 19 x 29 ...

#51. Corroded plagioclase feldspar inclusions in orthopyroxene ...

Corroded plagioclase feldspar inclusions in orthopyroxene and olivine of the Lower and Critical Zones, Western Bushveld Complex - Volume 55 ...

#52. Plagioclase feldspar Images, Stock Photos & Vectors

Find Plagioclase feldspar stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection.

#53. Feldspar - MarketResearch.com

Feldspar Market by Type (Plagioclase Feldspar, and K-Feldspar), End-Use (Glass, Ceramics, Fillers), and Region (Europe, North America, South America, ...

#54. An introduction to minerals and rocks under the microscope

Twinning in feldspars is most obvious between crossed polars. In addition to simple twins, plagioclase feldspar often shows repeated or multiple twinning ( ...

#55. Feldspar - Hyperphysics

Feldspar. Plagioclase Orthoclase. Feldspar is a name given to a class of aluminum-containing silicates which ...

#56. Plagioclase - chemeurope.com

The composition of a plagioclase feldspar is typically denoted by its overall fraction of anorthite (%An) or albite (%Ab), and readily determined by ...

#57. (sodium-rich plagioclase).

PLAGIOCLASE FELDSPAR. The sodium- and calcium-feldspars are called plagioclase ("plag" for short). Six different mineral names are available for the ...

#58. Sunstone Plagioclase Feldspar from Ethiopia - Caltech Authors

Sunstone Plagioclase Feldspar from Ethiopia. Sun, Ziyin and Renfro, Nathan D. and Palke, Aaron C. and Breitzmann, Heidi and Muyal, ...

#59. Mineralogical studies of plagioclase feldspar in Kadavur ...

The differences in the type of plagioclase twinning in igneous and metamorphic rocks are described. Plagioclase twins are divided, from a Petrological point ...

#60. plagioclase feldspar weathering - WorldWideScience

Differential rates of plagioclase and K-feldspar weathering commonly observed in bedrock and soil environments are examined in terms of chemical kinetic and ...

#61. Plagioclase feldspar - The Free Dictionary

Any of a series of triclinic feldspars that are a common constituent of rocks, consisting primarily of a mixture of sodium aluminum silicate, NaAlSi3O8, ...

#62. Molecular dynamics simulation of Al/Si-ordered plagioclase ...

The plagioclasestructure consists of an aluminosilicate tetrahedral ... MD-simulated plagioclase feldspar solid solution has three space ...

#63. Plagioclase Feldspar | Etsy

Check out our plagioclase feldspar selection for the very best in unique or custom, handmade pieces from our collectibles shops.

#64. plagioclase feldspar - Translation into German - Reverso ...

Translations in context of "plagioclase feldspar" in English-German from Reverso Context: Common minerals include plagioclase feldspar, pyroxene, ...

#65. Feldspar Value, Price, and Jewelry Information - International ...

Moonstone is an orthoclase feldspar and amazonite is microcline. All other feldspars are in the plagioclase series. Exceptions: Moonstone is usually an ...

#66. Plagioclase feldspar synonyms, Plagioclase feldspar antonyms

Synonyms for Plagioclase feldspar in Free Thesaurus. Antonyms for Plagioclase feldspar. 1 synonym for plagioclase: oligoclase.

#67. 16.10: Feldspar - Geosciences LibreTexts

Plagioclase feldspars grow in triclinic crystals. Its varieties belong to an isomorphous series between albite (NaAlSi3O8) and ...

#68. plagioclase feldspar | Infoplease

plagioclase feldspar plā´jēəklās˝ [key]: see feldspar. The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press.

#69. plagioclase feldspar的中文解释 - 沪江网校

沪江词库精选plagioclase feldspar是什么意思、英语单词推荐、plagioclase feldspar的用法、plagioclase feldspar的中文解释、翻译plagioclase feldspar是什么意思.

#70. effective elastic constants of plagioclase feldspar aggregates ...

Recent work on the elastic constants of plagioclase feldspars is reviewed. Based on the 21 elastic constants (stiffnesses).

#71. The melting phenomena of the plagioclase feldspars

The melting phenomena of the plagioclase feldspars. Norman Levi Bowen. American Journal of Science June 1913, s4-35 (210) 577-599; ...

#72. 斜长石…《抓鸟》英语词典

plagioclase feldspar 的解释是：斜长石… 同时，该页为英语学习者提供：plagioclase feldspar的中文翻译、英英详解、单词音标、在线发音、例句等。

#73. Sand and Sandstone - 第 259 頁 - Google 圖書結果

The provenance of detrital feldspar has been Maynard ( 1984 ) has investigated the compothe subject of many recent investigations - in sition of plagioclase ...

#74. "High-Pressure and High-Temperature Study of Plagioclase ...

Plagioclase feldspar is one of the abundant minerals on the surface of the Earth, the Moon and Mars, and is also commonly found in meteorites.

#75. Plagioclase - Wikiwand

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

#76. 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 ...

#77. PLAGIOCLASE FELDSPAR [1 record] - TERMIUM Plus

Plagioclase feldspars range in composition from pure albite ... to anorthite . ... and "lime-soda feldspar" are misnomers for "sodium-calcium feldspar.

#78. Alkali diffusion in plagioclase feldspar - CiteSeerX

Tracer diffusion kinetics at 1 atm pressure under 'dry' conditions using 6Li, 41K, and S7Rb in four plagioclase feldspars have been determined.

#79. Feldspar - The Gemology Project

Plagioclase feldspars grow in triclinic crystals. Its varieties belong to an isomorphous series between albite (NaAlSi3O8) and ...

#80. Plagioclase Feldspar in Matrix cabochon Australia 53 83 carats

A cabochon from Australia with white and pinkish-brown Plagioclase Feldspar crystals held in a dark chocolate-brown matrix rock. The Feldspar.

#81. American Educational Products Individual Mineral Specimen

Shop American Educational Products Individual Mineral Specimen: Plagioclase, Feldspar, Labradorite at Fishersci.com.

#82. Critical Review of Synthesis and Occurrence of ... - jstor

Attainment of equilibrium in plagioclase feldspars is severely hampered ... P-anorthite, believed to be the stable feldspar assemblage at low temperature.

#83. Why should anyone care about feldspars? - Critical Zone ...

The alkali feldspars are predominantly potassium (K) and sodium (Na) (See image 2) while the plagioclase feldspars contain calcium (Ca) and ...

#84. 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 ...

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

Caledonian amphibolite-facies shear zones developed in granulite-facies anorthosites and anorthositic gabbros of the Bergen Arcs, western Norway, ...

#86. Home | Earth & Environmental Sciences

Virtual via Zoom. Dr. Cathryn Manduca, Founding Director, Science Education Resource Center, Carleton College Toward a Successful, Sustainable, Just Future: ...

#87. Plagioclase Feldspar - FOSSweb

Plagioclase feldspars are found in igneous and metamorphic rocks. The feldspars are very common minerals. Oligoclase, one of this group, ...

#88. Drill core Logging of plagioclase feldspar composition and ...

Drill core Logging of plagioclase feldspar composition and other minerals associated with Archaean gold mineralisation at Kambalda, Western Australia using a ...

#89. An Experimental Tool for Pore‐Scale Mineral Dissolution ...

Res. › 论文详情. The Fabrication of Plagioclase Feldspar Microdevices: An Experimental Tool for Pore‐Scale Mineral Dissolution Studies

#90. 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 ...

#91. plagioclase feldspar - French translation – Linguee

Many translated example sentences containing "plagioclase feldspar" – French-English dictionary and search engine for French translations.

#92. Crystal-chemical controls on the partitioning of Sr and Ba ...

... between plagioclase feldspar and silicate melts, specifically the respective role of crystal chemistry, melt chemistry, and temperature.

#93. plagioclase

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

#94. Category:Plagioclase - Wikimedia Commons

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

#95. Chemical formula: NaAlSi3O8-CaAl2Si2O8

There are two mani minerals subgroups; Plagioclase feldspar and Alkali feldspar. There are many minerals under this name. The feldspars can be looked at in ...

#96. Igneous rock types - The Australian Museum

Basic: rocks that are about 45 to 55% silica (mostly mafic minerals plus plagioclase feldspar and/or feldspathoid minerals), e.g. basalt.

#97. Selected Petrogenic Relationships of Plagioclase

Rapakivi is a porphyroblastic (or porphyritic) granite having rounded porphyroblasts (or phenocrysts) of potash feldspar mantled with plagioclase.

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

plagioclase crystal where the host diorite is only slightly deformed. ... a plagioclase feldspar structure, but no quartz is visible under cross polarized ...

#99. Feldspar (Plagioclase Feldspar, and K-Feldspar) Market - PR ...

PRNewswire/ -- The "Feldspar Market by Type (Plagioclase Feldspar, and K-Feldspar), End-Use (Glass, Ceramics, Fillers), and Region (Europe, ...

#100. What is the difference between feldspar and plagioclase?

Feldspar is a group of minerals. · The plagioclase group contains feldspars which place Calcium and Sodium into the same 'place' in the mineral's crystalline ...