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Biotite - RRUFF Database: Raman, X-ray, Infrared, and ...

Royal Ontario Museum M29662. Mont Saint-Hilaire, Rouville County, Quebec, Canada. Annite. R060211. KFe 2+3 (AlSi 3 O 10 ) (OH) 2. Royal Ontario Museum M51392. Mont Saint-Hilaire, Rouville County, Quebec, Canada.

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Biotite Mica Mineral Physical and Optical Properties ...

2018-4-22  Occurrence of Biotite. Biotite is found in a wide variety of magmatic and metamorphic rocks. It is common in various magmatic and metamorphic rocks. In igneous rocks, more commonly in silicic and alkaline rocks, e.g. granites, diorites, gabbros and

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Biotite Mineral Uses and Properties

Biotite is a name used for a large group of black mica minerals that are commonly found in igneous and metamorphic rocks. These include annite, phlogopite, siderophyllite, fluorophlogopite, fluorannite, eastonite, and many others. These micas vary in

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Biotite - Geology North

Primary biotite crystals commonly contain many inclusions of magnetite along with accessory minerals like apatite and zircon. Since secondary biotite is generally free from inclusions of minerals other than magnetite, this feature helps to distinguish between the two. Biotite

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Biotite Mineral Geology and Uses - ThoughtCo

2020-1-16  Biotite forms sheets of iron, silicon, magnesium, aluminum, and hydrogen weakly bonded by potassium ions. Stacks of sheets form what are called "books" because of their resemblance to pages. Iron is the key element in biotite

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Experimental conversion of biotite to hydrobiotite.

Click on a subject area to search for all records coded with that CABICODE. Open each top category by clicking on the + to see the full array of topics for that area. The CABICODE organization is hierarchical so if you click one of the top categories, this automatically includes all its subsections in your search.

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Releases biotite-dev/biotite GitHub

database.rcsb.search() Added database.rcsb.count() function to count the number of results a database.rcsb.Query would yield in a less costly way than database.rcsb.search() Increased indexing speed in biotite.structure.BondList; Added

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Experimental melting of biotite + plagioclase + quartz

1995-8-10  The first composition is a model biotite gneiss consisting of 30 wt % biotite, 30 wt % plagioclase, and 40 wt % quartz. The second composition is a model two‐mica pelites consisting of 15 wt % biotite, 15 wt % muscovite, 30 wt % plagioclase, and 40 wt % quartz.

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Kaolinite and Gibbsite Weathering of Biotite within ...

2000-5-1  Profiles M2, M3, and M4 developed on proto-mylonitic gneisses (M2, M3) and mylonites (M4) of the AMS. Biotite does not present the same weathering features in these profiles as it does in the profiles developed in charnockitic and granulitic gneisses. In the fresh rock, biotite crystals form small clusters and micaceous foliation planes.

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Phase relations of biotite and stilpnomelane in the ...

Phase relations of biotite and stilpnomelane and associated silicate minerals have been studied in rocks of the greenschist facies, chiefly from Otago, New Zealand and western Vermont, but also from Scotland, Minnesota-Michigan iron range, and northwest Washington. That stilpnomelane in the greenschicht facies crystallizes initially with nearly all iron in the ferrous state is indicated by ...

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Biotite: Mineral information, data and localities.

An anomalous (hence the name) variety of "biotite" which has its optic axial plane perpendicular to (010). Barium and Titanium-bearing Biotite: A barium- and titanium-bearing biotite mica. Chrom-Biotit: A Cr-bearing variety of biotite. Chromium-bearing Biotite: A Cr-bearing variety of biotite. Eastonite (of Winchell) A variety of Biotite close ...

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Biotite: Mineral information, data and localities.

A series or subgroup of the Mica Group. The CNMMN Subcommittee on Nomenclature of the Micas (1998, 1999) has recommended that the name biotite be used ...

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Biotite - Geology North

Biotite, a variety of mica, is common in most Cheviot igneous rocks. Whilst most of it is a primary mineral that crystallised out of the original melt, some of it is secondary, having been formed by the hydrothermal alteration of other primary minerals due to the

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Biotite - chemeurope

Biotite is a common phyllosilicate mineral within the mica group, with the approximate chemical formula K(Mg, Fe) 3 AlSi 3 O 10 (F, OH) 2.More generally, it refers to the dark mica series, primarily a solid-solution series between the iron-endmember annite, and the magnesium-endmember phlogopite; more aluminous endmembers include siderophyllite.

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1 Abbreviations for Biotite - All Acronyms

1 ways to abbreviate Biotite. How to abbreviate Biotite? Get the most popular abbreviation for Biotite updated in 2020

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Biotite as a geoindicator of rare earth element ...

2021-5-27  Biotite mica was identified as a geoindicator for the assessment of REE contamination in the Gomati River and the Hindon River Basin of the Ganga Alluvial Plain. Future research is needed for the application of biotite mica mineral as a geoindicator that can help the environmental scientists to contribute more effectively to the ...

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Releases biotite-dev/biotite GitHub

Added support for new RCSB search API New database.rcsb.Query classes, that reflect the entirety of the new search API, including sequence, sequence motif and structure searches Multiple database.rcsb.Query objects can be combined/negated using the operators , and ~ Added the return_type, sort_by and range parameter to database.rcsb.search()

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A STAGE IN THE DECOMPOSITION OF BIOTITE FROM

Introduction The use of biotite as a potash fertiliser for agricultural purposes was demonstrated in Norway during the decade succeeding the last war. Professor V. M. Goldschmidt, as a member of the Norwegian State Committee for Raw Materials, took a leading part in the earlier investigations and was the instigator of extensive agricultural field tests by which the efficacy of biotite

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Bioreduction of biotite and chlorite by a Shewanella ...

In biotite, the amount of Si that is dissolved can be used as a guide to the dissolution rate of material in the tetrahedral layer, and the amount of Mg for the dissolution of the octahedral layer (Hopf et al. 2009). The dissolution of the biotite by 0.5 M HCl led to non-stoichiometric release of cations (Acker and Bricker 1992; Hamer et al ...

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Effects of sulfate on biotite interfacial reactions under ...

2019-2-18  In this study, using biotite as a model phyllosilicate, we investigated the effects of sulfate on its interfacial reactions under subsurface relevant conditions (95 °C and 102 atm of CO 2). By making monodentate mononuclear complexes with biotite surface sites, 50 mM sulfate enhanced biotite

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Biotite: Mineral information, data and localities.

An anomalous (hence the name) variety of "biotite" which has its optic axial plane perpendicular to (010). Barium and Titanium-bearing Biotite: A barium- and titanium-bearing biotite mica. Chrom-Biotit: A Cr-bearing variety of biotite. Chromium-bearing Biotite: A Cr-bearing variety of biotite. Eastonite (of Winchell) A variety of Biotite close ...

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Biotite R060204 - RRUFF Database: Raman, X-ray,

Eugster H P, Wones D R (1962) Stability relations of the ferruginous biotite, annite, Journal of Petrology, 3, 82-125 Hazen R M, Burnham C W (1973) The crystal structures of one-layer phlogopite and annite, American Mineralogist, 58, 889-900

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1 Abbreviations for Biotite - All Acronyms

1 ways to abbreviate Biotite. How to abbreviate Biotite? Get the most popular abbreviation for Biotite updated in 2020

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Biotite-Phlogopite Series: Mineral information, data and ...

2021-2-20  The redefined biotite series comprises trioctahedral micas with compositions between, or close to, the phlogopite-annite and eastonite-siderophyllite joins. In earlier pre-1998 litterature "biotite" has been used as name for the the end-member of the solid solution series biotite-phlogopite.

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BIOTITE - crossword answers, clues, definition,

BIOTITE 'BIOTITE' is a 7 letter word starting with B and ending with E Synonyms, crossword answers and other related words for BIOTITE. We hope that the following list of synonyms for the word biotite will help you to finish your crossword today. We've arranged the synonyms in

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Bioreduction of biotite and chlorite by a Shewanella ...

In biotite, the amount of Si that is dissolved can be used as a guide to the dissolution rate of material in the tetrahedral layer, and the amount of Mg for the dissolution of the octahedral layer (Hopf et al. 2009). The dissolution of the biotite by 0.5 M HCl led to non-stoichiometric release of cations (Acker and Bricker 1992; Hamer et al ...

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Biotite composition as a tool for the identification of ...

Some individual tephra deposits display sequential changes in biotite composition that allow separate phases of the eruption to be identified, greatly increasing the potential precision for correlation. In addition, devitrified lavas that are unsuitable for glass analysis can be correlated to coeval tephra deposits by their biotite compositions.

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Open Research: Fractionation of Nb and Ta by biotite

2017-4-6  Progressive melting of such rocks leads to the consumption of biotite and the formation of peritectic rutile or ilmenite, which retain the high-Nb/Ta signature. We suggest that such mid to lower crustal granulites could represent an important Nb-rich reservoir with high Nb/Ta.

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Biotite EUdict English>Arabic

Translation for: 'Biotite' in English->Arabic dictionary. Search over 14 million words and phrases in more than 490 language pairs.

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Integrating Search UIBB and List UIBB into FPM OVP ...

2016-3-1  Provide some search criteria Press Enter or Click on the Search Button, then result list is filled with dependent records. This is a FPM OVP ( Over View Page) Application, which embeds Search UIBB and List UIBB. Design Approach: 1. Search UIBB- Search Structure, Search Feeder class. 2. List UIBB- List Table type, List Feeder Clss Feeder Class. 3.

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