replacement of primary plagioclase by secondary k

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Transformer Installation

Secondary overcurrent protection is not required, but overcurrent protection is required for lighting and appliance branch-circuit panelboards, and this protection is required to be located on the secondary side of the transformer in accordance with 408.16(A) and (D).

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THE GENESIS OF PLAGIOCLASE TWINNING IN THE

THE GENESIS OF PLAGIOCLASE TWINNING IN THE NONEWAUG GRANITE K. E. SBrnBxl, Deparlment of Geology, []niversity of Wisconsin, Mad,ison, Wisconsinr ABsrRAcr In Nonewaug plagioclase Manebach twinning formed earliest, albite and parallel-sided pericline twinning next, then wedge-shaped pericline twinning and last exsolved

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8.1 Sulphide and oxide minerals on Nonnenwerth 8.1.1

i) aggregates of composite grains interstitial to plagioclase and clinopyroxene or included in clinopyroxene, and ii) replacement minerals along cleavage planes of clinopyroxene, fractures in plagioclase or intergrown with secondary alteration silicates. Two generations of chalcopyrite are present in the samples.

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SYNTHESIS GAS REFORMERS

From the primary reformer, the primary outlet stream is mixed with a 600 C, 35.29 bar air stream. This mixed stream constitutes the secondary inlet stream in Table 1. The secondary reformer is also modeled in ASPEN as an RGibbs reactor with RK Soave equations of state.

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Data Repository

Judging from replacement habits, secondary prehnite and rutile are breakdown products of biotite, saussuritized plagioclase and oxidized primary opaque (titanomagnetite?) minerals. The secondary assemblages contain sericite, chlorite, prehnite, calcite, laumontite, together with

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High‐Grade K‐Feldspar Veining in Granulites from the Ivrea

Quartz grain rims in contact with these veins show evidence of extensive corrosion. In contrast, contact between the veins and the orthopyroxene and garnet grains is very clean, with no signs of secondary alteration. K‐feldspar + quartz plagioclase, of the same compositions as the veins, are commonly found as near‐rim inclusions within

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plagioclase.exercise

Smith and Lofgren (1983) have demonstrated using synthetic and natural plagioclase feldspars from volcanic rocks that a primary continuous or reverse zonation may be distinguished from a secondary or superimposed style of zonation caused by local physico-chemical fluctuations relating to individual crystal growth during silicate melt

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Impact

SEM, EDS and EPMA studies reveal that the main secondary minerals are orthoclase, replacing plagioclase in granites and amphibolites, and chlorite, replacing hornblende in amphibolites. The extent of chemical and mineralogical alteration is closely related to microfractures. However, alteration has selectively changed the minerals.

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plagioclase crushing machine for sale

portable plagioclase crushing machinery line uae crusher. with primary and secondary crushers handling coarse materials, and tertiary and quaternary crushers reducing ore particles, Used Car Crusher For Sale - Kitmondo . Find used Car Crusher for sale on Kitmondo Thousands of used equipment listings to browse

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The replacement of plagioclase feldspars by albite

The replacement of plagioclase feldspars by albite: observations from hydrothermal experiments primary mechanism of mineral replacement reactions in the presence of a fluid phase (Putnis 2002). Recently, several the replacement of plagioclase by albite occurs via an

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Current Transformer Basics and the Current Transformer

Then to summarise, the Current Transformer, (CT) is a type of instrument transformer used to convert a primary current into a secondary current through a magnetic medium. Its secondary winding then provides a much reduced current which can be used for detecting overcurrent, undercurrent, peak current, or average current conditions.

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Geochemistry, Mineralization and Alteration Zones of

The replacement of plagioclase and amphibole by K-feldspar and biotite, respectively, served to add K and remove Ca and Na. Depletion of Fe was due to the alteration of Fe-rich magmatic amphibole and biotite and phengitic muscovite with appreciably lower Fe/Fe+Mg ratios.

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Coordination of Benefits With Multiple Insurance Plans

Mar 12, 2019Once the primary plan has paid what expenses it should pay as determined by the coordination of benefits provision, then the secondary plan may be used. The secondary health insurance plan, unlike the primary health insurance plan under the coordination of benefits, can take into consideration what health insurance benefits were provided to the patient in the primary health

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Medicare Secondary Payer Billing Adjustments (Home

Medicare Secondary Payer BILLING ADJUSTMENTS Page 2 Process A: Working Aged or Disability insurance is primary. Billing Medicare secondary. Submit your claim to the primary insurance. After receiving payment from the primary insurance, you may bill

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Laboratory alkaline

Leucite thus coexists with an anorthite-rich plagioclase, not with a sodic plagioclase. This assemblage makes tephrites rich in K and Ca. It is unusual as in most magmatic rocks enrichment in K is accompanied by enrichment in Na, i.e. the alkalies behave similarly.

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ORE DEPOSIT TYPES AND THEIR PRIMARY EXPRESSIONS K.G

1 Ore Deposits. ORE DEPOSIT TYPES AND THEIR PRIMARY EXPRESSIONS. K.G. McQueen CRC LEME, Australian National University, Canberra, ACT 0200 and School of REHS, University of Canberra, ACT 2601. INTRODUCTION Ore deposits are crustal concentrations of useful elements that can be exploited at a profit.

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Impact

Impact-induced replacement of plagioclase by K-feldspar in granitoids and amphibolites at the Krdla Crater, Estonia: in addition to medium- to coarse-grained microcline present in primary rocks. SEM, EDS and EPMA studies reveal that the main secondary minerals are orthoclase, replacing plagioclase in granites and amphibolites, and

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Chapter 4 Flashcards

Substitution occurs in the crystal structure of plagioclase feldspar. Calcium is replaced with sodium during cooling. • These minerals react continuously with the magma to adjust their compositions during cooling. • Zoning occurs in feldspars when the cores are richer in calcium or more depleted in sodium than the rims

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Revision Total Knee Replacement

During primary total knee replacement, the knee joint is replaced with an implant, or prosthesis, made of metal and plastic components. Although most total knee replacements are very successful, over time problems such as implant wear and loosening may require a revision procedure to

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Chapter 4 Secondary Containment and Impracticability

Chapter 4: Secondary Containment and Impracticability Determination . and the role of the EPA inspector in reviewing secondary containment requirements and impracticability determinations are also discussed. The remainder of this chapter is organized as follows. Section . 4.2 provides an overview of the SP rules general secondary containment

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The alteration of granitic biotite to chlorite Rrcn.a.nn A

the Kameruka pluton, because biotite is the only primary (Mg, Fe)-silicate, and chlorite is the only secondary Mg-silicate. Therefore if magnesium is not gained or lost from the whole rock, the biotite-€hlorite reaction must be Mg-conservative. These considerations form the

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A Mechanistic Understanding of Plagioclase Dissolution

Second, if secondary mineral 14 precipitation can occur, will its kinetics be fast enough to apprecially change the water 15 chemistry within the time frame of our dissolution experiments? (In other words, was the 16 concentration evolution we observed actually a net effect of the primary mineral

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Soil Chemistry 2

are the basic building blocks for most primary and secondary soil minerals. Common Soil Forming Primary Minerals Rocks are an assemblage of primary minerals in a more of less consistent proportion. Figure 2.1 shows the mineralogical composition of rocks based on mineralogy and crystal size. Minerals in these rocks are composed

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Alteration mineralogy in detachment zones: Insights from

Although the primary rock textures were preserved, all of the plagioclase was altered to K-feldspar, and amphibole and mafic groundmass in these rocks were totally altered to illite + hematite. The second episode involved dissolution of silicate metasomatic alteration minerals and precipitation of calcite, hematite, and celadonite.

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The replacement of plagioclase feldspars by albite

BSE images and combined EDX analyses of cross sections throughout the crystals indicate pseudomorphic replacement of the original plagioclase by an albite-rich feldspar composition (Fig. 2). The replacement advanced from the grain surfaces and along pre-existing cracks inwards into the crystal, so that the product albite is located in a rim around the parent plagioclase.

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Using Primary and Secondary flash image options

The switch reboots from primary flash by default unless you specify the secondary flash by entering either the boot system flash [primary | secondary] or boot set-default flash [primary | secondary] command. Both the boot command and the reload command will reboot based on how these options have been selected.

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Hydrothermal alteration of plagioclase in granitic rocks

Barium is an important component in replacement of plagioclase by K-feldspar were hydrothermal systems, and Ba-feldspar (celsian) can thus strongly controlled by the mineralogical composition form solid solution with orthoclase in secondary K-feldspar of

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Secondary and Tertiary Recovery From Tight Oil Reservoirs

•Secondary/Tertiary recovery is becoming essential to recovery maximum potential from these reservoirs. •From field and simulation experience waterflooding tight oil reservoirs should close to double primary RF. RF~15- 25%. •CO2 miscible injection also proving to be favourable in field and simulation results.

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TxDPS

An individual can present one primary document. No other documents are required to verify identity if one primary document is provided. Primary identity documents include: Texas driver license or Texas identification card not expired more than 2 years Proof of citizenship will be required if

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SECTION I: ACTIVE DIAGNOSES

if the resident's primary medical condition category is an amputation. An example is acquired absence of limb. — Code 09,Hip and Knee Replacement. if the resident's primary medical condition category is due to a hip or knee replacement. An example is total knee replacement. If hip replacement is secondary to hip fracture, code as fracture.

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Renovation projects

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London Google Technology and innovation hub

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San Francisco Sport and fitness studio

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Renovation projects

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