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  • SelFrag & Mineral Separation Facility, John de Laeter ...

    2021-10-20 · Frantz magnetic separator. Diamagnetic and paramagnetic minerals are separated via Frantz using different field intensities and tilt/slope settings. Ferromagnetic minerals are removed via a handheld magnet before they are sent through the magnetic separator. Paramagnetic minerals are attracted and diamagnetic minerals are repelled by an applied ...

  • Heavy Minerals and Magnetic Separation

    2007-12-28 · The simplest form of magnetic separation is by hand magnet, a procedure which works for only one common mineral - magnetite. Other minerals having magnetic susceptibility are separated by using an apparatus that can generate strong electromagnetic fields. The Frantz separator (Fig. 1) incorporates an electromagnet with

  • Using apatite to resolve the age and protoliths of mid ...

    2020-12-15 · A Frantz magnetic separator configured with a forward tilt of 25° and side tilt of 15° and an operating current of a current of 1.0 A was used to separate muscovite from non-magnetic minerals (mainly quartz and feldspar). Approximately 2 μg of undeformed and inclusion-free grains of muscovite were hand-picked from the mineral concentrate.

  • Benefits of a Multiproxy Approach to Detrital Mineral ...

    Frantz magnetic separator was used (0.3 A at 25° side tilt setting) to remove the most magnetically suscep- ... (25° side tilt). Titanite was recovered from the magnetic fraction between 0.8 and 1.5 A (25° side tilt), while rutile and zircon were isolated together in the remaining nonmagnetic fraction. Zircons were poured en

  • Zircon U-Pb and Maximum Depositional Age Results for

    2020-9-2 · was processed through a Frantz magnetic separator (1.6–1.8 ampere with a 20° tilt). The non-magnetic fraction was immersed in sodium polytungstate (SPT; ρ = 2.89 g/cm. 3) and methylene iodide (MEI; ρ = 3.32 g/cm ) heavy liquids. The resulting heavy frac - tion was then processed through magnetic separation again (1.6–1.8 ampere with a 20 ...

  • Empirical determination of oxygen isotope fractionation ...

    2001-9-15 · The Frantz magnetic separator was set at 1.7 Amps, 10° forward tilt, and side tilts from 0° to 4°. Zircon was cleaned in hydrofluoric acid. The least magnetic fraction of zircon available was analyzed to limit complications related to alteration that is occasionally associated with magnetic zircons Krogh 1982, Valley et al 1994. Samples ...

  • A U-Pb Geochronological Framework for the Pinware

    a Tit denotes sphene analysis; all other analyses are multigrain zircon fractions selected from paramagnetic separates at 0° tilt at full magnetic field in Frantz Magnetic Separator; 100, 200 = size in mesh (200 mesh = 75 im); br = brown; bl = blocky; c =

  • Benefits of a Multiproxy Approach to Detrital Mineral ...

    2019-3-5 · A Frantz magnetic separator was used (0.3 A at 25° side tilt setting) to remove the most magnetically susceptible minerals, including most of the garnet, before the remaining sand was run through methylene iodide to further concentrate the heavy minerals. These were returned to the Frantz to separate monazite, titanite, rutile, and zircon.

  • Timing of Grenville magmatism in the southern Blue Ridge ...

    2021-9-1 · The final heavy mineral separates were passed thru the Frantz Magnetic Separator at 1.0 A at 20° side-tilt and 1.4 A at 10° side-tilt. The final separate was in all cases nearly 100% zircon. To better assess the complete zircon growth history for each sample, grains of all sizes, shapes, and varying degrees of optical clarity were mounted in ...

  • Late Cretaceous magmatism in Madagascar:

    2012-1-25 · 0º tilt at full magnetic field in a Frantz Magnetic Separator;C200 Dsize in mesh (>75 mm); c Dcolorless; cl Dclear; pl Dplatey; pb Dpale brown; sk Dskeletal. All zircon analyses were abraded after [11]; baddeleyite was not abraded. b Concentrations are known to 30% for sample weights of about 20 mgand50% for samples 5 g.

  • The Frantz Magnetic Barrier Laboratory Separator Model

    Feldspar and magnetic minerals were separated from quartz in the 90-155-μm fraction using a low-field controlled Frantz isodynamic magnetic separator (LFC

  • Mineral Separation Techniques - ResearchGate

    Magnetic separation of minerals using the Frantz Isodynamic Separator ... 1 Set the tilt angle to either 0° or some negative small angle (i.e. the ... 2 Plug in the separator, turn on the ...

  • Benefits of a Multiproxy Approach to Detrital Mineral ...

    2019-3-5 · A Frantz magnetic separator was used (0.3 A at 25° side tilt setting) to remove the most magnetically susceptible minerals, including most of the garnet, before the remaining sand was run through methylene iodide to further concentrate the heavy minerals. These were returned to the Frantz to separate monazite, titanite, rutile, and zircon.

  • Zircon U-Pb and Maximum Depositional Age Results for

    2020-9-2 · was processed through a Frantz magnetic separator (1.6–1.8 ampere with a 20° tilt). The non-magnetic fraction was immersed in sodium polytungstate (SPT; ρ = 2.89 g/cm. 3) and methylene iodide (MEI; ρ = 3.32 g/cm ) heavy liquids. The resulting heavy frac - tion was then processed through magnetic separation again (1.6–1.8 ampere with a 20 ...

  • Density determination of microcrystals in magnetic fluids

    2007-8-18 · Isodynamic Magnetic Separator (Model L-1, S. G. Frantz Co., Inc., 339 East Darrah Lane, Trenton, New Jersey) (Figs. I and 2). Any electromagnet of suitable strength can be used, but the Frantz Isody-namic Magnetic Separator is used in this description because it is available in most geologic laboratories. The Frantz is set with 90' side tilt ...

  • Late Cretaceous magmatism in Madagascar:

    2012-1-25 · 0º tilt at full magnetic field in a Frantz Magnetic Separator;C200 Dsize in mesh (>75 mm); c Dcolorless; cl Dclear; pl Dplatey; pb Dpale brown; sk Dskeletal. All zircon analyses were abraded after [11]; baddeleyite was not abraded. b Concentrations are known to 30% for sample weights of about 20 mgand50% for samples 5 g.

  • CONSTRAINTS ON THE GENESIS OF FERRIAN ILLITE AND

    2007-6-7 · Green pellet concentrates were obtained using a Frantz magnetic separator. A 20° slope, 15° lateral tilt and 0.6 mA current were found to give optimal results. These settings are similar to those used by Amorosi (1993). The pellet concentrates were further reduced in size with an agate mortar. Ultrasonic disaggregation was

  • NurO 7.8s%

    2007-4-5 · The magnetic susceptibilities on the chart are in terms of increasing amperages on the Frantz separator and are valid only for the tilts in-dicated: i.e., 15o side,25o forward. For other settings of tilt, the amper-ages will serve as relative magnetic susceptibilities of the minerals, and the chart should then be used only as a guide.

  • Mineralogical and Geochemical Studies on Kab Amiri

    2020-5-16 · minerals. Then, the separation of magnetite was achieved by hand magnet. The heavy mineral fractions were passed through a Frantz Isodynamic Magnetic Separator Model L-1, at a side tilt of 5o and forward slope 20o, to separate the remaining magnetite and produce several magnetic fractions at 0.2, 0.5, 0.7, 1, and 1.5 amperes.

  • Low-δ18O Rhyolites from Yellowstone: Magmatic

    Separates of 50–250 mg of zircons were further subdivided by sieving into different sizes and by Frantz magnetic separator. No differences in δ 18 O beyond 0·3‰ between different magnetic splits were found. Large-diameter zircons (>105 μm, or >149 μm) from 15 lavas and tuffs were air abraded in a corundum mortar for 0·5–5 days.

  • U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL

    2020-3-2 · by using a Frantz separator set at a slope of 15 degrees and a tilt of 10 degrees with currents of 0.2 ampere to remove the highly magnetic fraction and 0.6 ampere to separate the other two fractions (Nelson and others, 1992). Each magnetic fraction was weighed and studied through binocular and petrographic microscopes.

  • Zircon U-Pb and Maximum Depositional Age Results for

    2020-9-2 · was processed through a Frantz magnetic separator (1.6–1.8 ampere with a 20° tilt). The non-magnetic fraction was immersed in sodium polytungstate (SPT; ρ = 2.89 g/cm. 3) and methylene iodide (MEI; ρ = 3.32 g/cm ) heavy liquids. The resulting heavy frac - tion was then processed through magnetic separation again (1.6–1.8 ampere with a 20 ...

  • Density determination of microcrystals in magnetic fluids

    2007-8-18 · Isodynamic Magnetic Separator (Model L-1, S. G. Frantz Co., Inc., 339 East Darrah Lane, Trenton, New Jersey) (Figs. I and 2). Any electromagnet of suitable strength can be used, but the Frantz Isody-namic Magnetic Separator is used in this description because it is available in most geologic laboratories. The Frantz is set with 90' side tilt ...

  • Use of magnetic separation for purifying quartz for ...

    2019-6-27 · Magnetic separators are usually found in geology and mineralogy departments. The most common instruments are made by S.G. Frantz Company, Inc. Before making any major purchases, it is worth going to the nearest laboratory with a magnetic separator to try out a sample that can be exposed to light. The

  • Methods and apparatus for separating particles using a ...

    The Frantz ISODYNAMIC magnetic separator affords advantages relative to the katadynamic magnetic separator in that it permits precise separations according to magnetic susceptabilities of both paramagnetic and diamagnetic materials. It also enables separations to be made continuously and without bringing the particles into contact with the pole ...

  • AN OCCURRENCE OF JAROSITE IN ALTERED VOL- CANIC

    2007-4-5 · magnetic portion segregated by the Frantz Separator set as follows: slope 10o, tilt 5o, current 0.1 ampere. From this fraction a nearly pure sample was readily prepared by hand-picking. The following properties were determined for jarosite: n 1.815 + 0.001 n" 1.714+0.003 1r"-I\r, 0.101 zIt 0", but angles betrveen 5-10' were observed

  • NurO 7.8s%

    2007-4-5 · The magnetic susceptibilities on the chart are in terms of increasing amperages on the Frantz separator and are valid only for the tilts in-dicated: i.e., 15o side,25o forward. For other settings of tilt, the amper-ages will serve as relative magnetic susceptibilities of the minerals, and the chart should then be used only as a guide.

  • CONSTRAINTS ON THE GENESIS OF FERRIAN ILLITE AND

    2007-6-7 · Green pellet concentrates were obtained using a Frantz magnetic separator. A 20° slope, 15° lateral tilt and 0.6 mA current were found to give optimal results. These settings are similar to those used by Amorosi (1993). The pellet concentrates were further reduced in size with an agate mortar. Ultrasonic disaggregation was

  • Sea level and climate forcing of the Sr isotope ...

    Planktonic foraminifera samples were placed through a Frantz magnetic separator, which helped remove tests with iron oxide discoloration. Microscopic and SEM inspection of the larger benthic foraminifera tests helped to eliminate ones that showed obvious discoloration or filled chambers.

  • Low-δ18O Rhyolites from Yellowstone: Magmatic

    Separates of 50–250 mg of zircons were further subdivided by sieving into different sizes and by Frantz magnetic separator. No differences in δ 18 O beyond 0·3‰ between different magnetic splits were found. Large-diameter zircons (>105 μm, or >149 μm) from 15 lavas and tuffs were air abraded in a corundum mortar for 0·5–5 days.