Bauxite on igneous rocks from Amazonia and Southwestern of Australia: Implication for weathering process

Horbe, Adriana Maria Coimbra; Anand, Ravi

doi:10.1016/j.gexplo.2011.06.003

Cited by 30 publications

(13 citation statements)

References 25 publications

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“…Compared to AAS, ICP-MS has the ability to simultaneously measure multiple elements, which increases the speed at which analyses can be done. Horbe and Anand (2011), for instance, used ICP-MS to measure the major and trace element data of bauxites from the Boddington deposit of the Darling Range in Western Australia and the Pitinga deposit in the Amazon District of Brazil (table 1).…”

Section: Methodsmentioning

confidence: 99%

Compilation of gallium resource data for bauxite deposits

Schulte¹,

Foley²

2014

Open-File Report

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Gallium (Ga) concentrations for bauxite deposits worldwide have been compiled from the literature to provide a basis for research regarding the occurrence and distribution of Ga worldwide, as well as between types of bauxite deposits. In addition, this report is an attempt to bring together reported Ga concentration data into one database to supplement ongoing U.S. Geological Survey studies of critical mineral resources. The compilation of Ga data consists of location, deposit size, bauxite type and host rock, development status, major oxide data, trace element (Ga) data and analytical method(s) used to derive the data, and tonnage values for deposits within bauxite provinces and districts worldwide. The range in Ga concentrations for bauxite deposits worldwide is <10 to 812 parts per million (ppm), with an average of 57 ppm. Gallium concentrations in lateritic bauxites range from below detection (< 8 ppm) to 146 ppm; the average concentration is 57 ppm Ga. The average Ga concentration for karst bauxite deposits is 58 ppm with a range between <10 to 180 ppm Ga. As a result, there are no substantial differences in gallium concentrations between karst-and laterite-type bauxites. We calculate the range in geologically available Ga in bauxite deposits worldwide between 30 and 82,720 metric tons (t), with an average of 14,909 t.

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Section: Methodsmentioning

confidence: 99%

Compilation of gallium resource data for bauxite deposits

Schulte¹,

Foley²

2014

Open-File Report

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“…Truckenbrodt et al, 1991;Boulangé and Carvalho, 1997;Lucas, 1997;Horbe and da Costa, 2005;Kotschoubey et al, 2005;Horbe and Anand, 2011). The clay layers cover an area of several million square kilometers with a thickness varying from 3 to 20 m. Kaolinite and quartz are the main minerals, although gibbsite, hematite, and goethite oolites are also characteristic.…”

Section: Introductionmentioning

confidence: 99%

Geochemical and isotopic characterization of the Bodélé Depression dust source and implications for transatlantic dust transport to the Amazon Basin

Abouchami

Näthe

Kumar

et al. 2013

Earth and Planetary Science Letters

119

122

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“…). In recent years, inductively coupled plasma‐mass spectrometry (ICP‐MS) has become the technique of choice because it allows the determination of a comprehensive set of elements that includes transition metals, high field‐strength elements (HFSE) and rare earth elements (REE) at low mass fractions (e.g., Horbe and Anand , Gu et al . , Wang et al .…”

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confidence: 99%

“…However, a key concern in obtaining reliable trace element mass fractions by solution ICP‐MS is the difficulty in achieving complete digestion of the bauxite, as it often contains refractory minerals such as zircon, anatase/rutile, monazite, xenotime, titanite, thorite and tourmaline (Bárdossy and Aleva , Horbe and Da Costa , da Costa et al . , Monsels and Van Bergen , b). These are usually inherited from the parent rock and host many of the elements of interest.…”

mentioning

confidence: 99%

“…Trace element contents in bauxites have been determined by a variety of methods including instrumental neutron activation analysis (INAA) (Vukoti c 1983, Korotev 1996, Grant et al 2005), X-ray fluorescence spectrometry (XRF) (Mordberg et al 2001) and inductively coupled plasma-atomic emission spectrometry (ICP-AES) (Boulang e andColin 1994, Ochsenk€ uhn-Petropoulou et al 1990). In recent years, inductively coupled plasma-mass spectrometry (ICP-MS) has become the technique of choice because it allows the determination of a comprehensive set of elements that includes transition metals, high field-strength elements (HFSE) and rare earth elements (REE) at low mass fractions (e.g., Horbe and Anand 2011, Gu et al 2013, Wang et al 2013, da Costa et al 2014, Mongelli et al 2014, Ahmadnejad et al 2017). However, a key concern in obtaining reliable trace element mass fractions by solution ICP-MS is the difficulty in achieving complete digestion of the bauxite, as it often contains refractory minerals such as zircon, anatase/rutile, monazite, xenotime, titanite, thorite and tourmaline (B ardossy and Aleva 1990, Horbe and Da Costa 1999, da Costa et al 2014, Monsels and Van Bergen 2017a.…”

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confidence: 99%

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Determination of Trace Elements in Bauxite Using Laser Ablation‐Inductively Coupled Plasma‐Mass Spectrometry on Lithium Borate Glass Beads

Monsels

Bergen

Mason

2018

Geostandard Geoanalytic Res

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Quantification of trace element contents in bauxite by solution ICP‐MS and other analytical methods that rely on conventional dissolution techniques can be challenging, because the refractory nature of common host minerals complicates complete digestion. Fusion with lithium borate, frequently used as a sample preparation method for XRF analysis of solid materials, avoids these problems. This manuscript documents that subsequent analysis of the low‐dilution glass beads by laser ablation ICP‐MS is a fast, accurate and precise method for determining trace element mass fractions in samples of bauxite and similar natural materials. The method was validated by determining thirty trace elements, including thirteen rare earth elements, in international reference materials for bauxite (ANRT BX‐N, NIST SRM 69b, NIST SRM 696, NIST SRM 698) and iron formations (CCRMP FeR‐2). Trace elements were typically measured to within 20% of reference values with an ‘external’ precision of < 20% RSD. Measurement results from various deposits in Suriname illustrate the procedure's effectiveness for studies concerning chemical properties and origin of bauxite.

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Bauxite on igneous rocks from Amazonia and Southwestern of Australia: Implication for weathering process

Cited by 30 publications

References 25 publications

Compilation of gallium resource data for bauxite deposits

Compilation of gallium resource data for bauxite deposits

Geochemical and isotopic characterization of the Bodélé Depression dust source and implications for transatlantic dust transport to the Amazon Basin

Determination of Trace Elements in Bauxite Using Laser Ablation‐Inductively Coupled Plasma‐Mass Spectrometry on Lithium Borate Glass Beads

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