 | | Journal (article/letter/editorial) | | Mineralogical nomenclature: pseudorutile revalidated and neotype given IAN E. GREY, JOHN A. WAyrS CSIRO...A285, Sydney, N.S.W. 2000, Australia Abstract Pseudorutile, Fe 3+ Ti309, has recently been revalidated...t i l e , F 3e2+ xT1309. 3x(OH)3x. KEYWOmgS: pseudorutile, arizonite, proarizonite, leucoxene, kleberite...specimen, type locality Introduction THE name pseudorutile was introduced into the literature by Teufer...alteration products of ilmenite from Florida and New Jersey, USA; Quilon, India; and Brazil. The name |  | | Journal (article/letter/editorial) | | 2 1 Zircon 6 5 85 Opaques 86 Ilmenite-pseudorutile intergrowths 6 (tr.-8) tr. 1 (tr.-4) 3 4...80 (70-88) Pseudorutile 2 (tr.-g) 60 (45-69) 6 (2-8) 59 (5g-65) Rutile-pseudorutile intergrowths...rutile rutile Fe-Ti intergrowths Rut fie- pseudorutile oxides intergrowths pseudoPseudo- rutile...liquids;ilmenite-pseudorutile intergrowthconcentratefrom 0 to 0.2 amp. Frantz fractions,pseudorutile from 0.4...4 to 0.5 amp Frantz fractions,pseudorutile-rutile intergrowthsfrom 0.6 to 0.7 amp. Frantz fractions, and |  | | Journal (article/letter/editorial) | | rutile. Only the three mineralphases:ilmenite,pseudorutile and rutile havebeenidentifiedin the commercial...Early work on the altered ilmenite of Trail Ridge, Florida, led to the classificationof this mineral as a...also 'include ilmenite-rutile,ilmenite-pseudorutile, pseudorutile-rutileand pseudoruffle and ruffle. The...COMiVIERCIALTITANIUM MINERAL CONCENTRATES Ilmenite Pseudorutile Rutile __ Australian Rutile Trail Ridge...depositcanbe illustratedfrom the Trail :Ridge,Florida, and Folkston,Georgia, ore bodies. Table 3 sum |  | | Journal (article/letter/editorial) | | Volume 60, pages 898-906, 1975 The Structureof Pseudorutile and Its Role in The Natural Alterationof llmenite...The structuralrelationships betweenilmenite,pseudorutile, and rutilearediscussed. A twostagemechanismfor...the new compound, which these authors named pseudorutile. The general structure was shown to consist...octahedral sites.However, such a disorderedmodel for pseudorutile,with a random distribution of metal atoms, does...does not readily explain the 898 899 PSEUDORUTILE AND ITS ROLE IN ILMENITE ALTERATION T,\sLr 1 Analyses |  | | Journal (article/letter/editorial) | | Institute of Technology, Cambridge, Massachusetts02 139, USA (Received July 12, 1991; accepted in revisedform...were derived from weathering of ilmenite and pseudorutile, Fe-Ti oxides found in the heavy mineral fraction...indicated that the heavy minerals are mainly pseudorutile, with minor amounts ofitmenite, rutile, zircon...measured (RYAN and GSCHWEND, 1991). Fe(III) in pseudorutile may be particularly susceptible to dissolution...gauge of the overall composition of the ilmenite-pseudorutile-rutile suite that dominated the heavy mineral |  | | Journal (article/letter/editorial) | | and magnetic studies of altered ilmenite and pseudorutile M. J. WORT AND M. P. JONES Department of Mineral...SW7 2BP SYNOPSIS IT was not until 1966 that pseudorutile was first defined. Earlier, its X-ray diffraction...and ilmenite. Subsequent work has shown that pseudorutile has a world-wide distribution in detrital ilmenite-bearing...magnetic susceptibility and density. In addition pseudorutile is shown to be a magnetic spin glass with a...susceptibility at z 3 ~ Altered ilmenites, in which pseudorutile occurs as a secondary alteration product, display |  | | Journal (article/letter/editorial) | | precursor phase, such as Al-rich hydroxylian pseudorutile (HPR; kleberite), during the initial stages...al. (2010) described an Al-rich hydroxylian pseudorutile (HPR) from Indonesia with a tivanite-type structure...stages: (I) dehydration of Al-rich hydroxylian pseudorutile (HPR); (II) primary twin formation and growth;...conditions. As a result, Ti4+ ions within the pseudorutile O-sublattice are rearranged to form rutile,...characteristic for rutile. The tivanite, i.e., pseudorutile structure, offers a common framework for two |  | | Report (issue) | | -fossil beach-complex sediments of northeastern Florida is unusually strong. This suggests that mineral-resource...indicate that of the two main titanium ore mineralsi Florida altered ilmenite has a' strong IP response while...pyrite in the field under typical northeastern Florida conditions. altered In ilmenite> should permit... alluvial floodplains» located Georgia» and Florida (Garnar* 1980). gold* found Pacific and 1979)...kilometers stretching from central peninsular Florida to Altama River in Georgia (Force and Garnar. |  | | Journal (article/letter/editorial) | | sometimes lead to its direct alteration phase pseudorutile and/or leucoxene. Fig. 3. An assemblage of few...ilmenite grains (il) are in association with pseudorutile (ps) and leucoxene (leu). A small monazite grain...42 . . . . . . S.W. India E. India China Florida (Kerala) (Puri) 23.35 45.69 4.16 15.74 3.05 |  | | Report (chapter) | | leaving a residual product which Grey & Reid term 'pseudorutile' (Fe23+TiaO9). In the second stage both iron...iron and oxygen need to be removed to convert 'pseudorutile' to pure TiO 2,resulting in disruption of the... I. E. & REID, A. F. 1975. The structure of pseudorutile and its role in the natural alteration of ilmenite...1970. The heavy mineral ore body of Trail Ridge, Florida. Econ. Geol. 65, 17-30. PYE, K. 1980. Geomorphic...G. 1965. Humate in coastal sands of Northwest Florida. Bull. U.S. geol. Surv. 1214-B, B1-B29. 9 5 9 - |  | | Journal (article/letter/editorial) | | the TiO2 content. Weathering products include pseudorutile, ferropseudobrookite and anatase/rutile, all...and will not simply change from ilmenite to pseudorutile/kleberite-(OH) to ferropseudobrookite to an...structure itself. Meinhold (2010) explains that pseudorutile is formed by Fe2+ removal during oxidation of...ilmenite, resulting in Fe3+. Removal of Fe3+ from pseudorutile due to leaching and hydrolisation results in...in leucoxene, and is a mixture of pseudorutile and rutile. The final stage of weathering results in the |  | | Report (issue) | | the Maxville deposit on Trail Ridge near Starke, Florida. Photograph by Andrew Romeo, The Chemours Co.,...of ilmenite, such as anatase, leucoxene, and pseudorutile), as well as other high-density, erosion-resistant...abbreviations: Ark., Arkansas; Colo., Colorado; Fla., Florida; Md., Maryland; Minn., Minnesota; N.Y., New York;...Rutile, anatase, brookite 80 Leucoxene 60 Pseudorutile Perovskite A Ilmenite 40 Titanite (sphene)...ilmenite in titanium and potentially forming pseudorutile (Fe2Ti3O9), leucoxene, and rutile (fig. T1) |  | | Journal (article/letter/editorial) | | Prepared by Wen H. Huang, University of South Florida; Andrea Ross, Carl Francis, John Higgins, and Mary...R E Y ,I A N E . and A.F. Reid: Structure of pseudorutile and its role in of the naturaL alteration 898...mittees Proceedings, 55th annual 520 neeting, Miami, FLorida Minerals, Discredited 489 brostenite (abstr) 163...nioboeschyrite- (Ce) J09 quaftz 139,907 pseudobrookite 249 pseudorutile 898 zincdibraunite (abstr) 739 zirconolite (abstr)...Pseudomorphisn nontronite after hedenbergite 1063 Pseudorutile 898 c"ystal st::ucture ( P t , P d , N i ) s |  | | Journal (article/letter/editorial) | | Multiphase Rietveld Method: The Determination of Pseudorutile in Mineral Sands Products 152 D.C. Azubike...provides complete analysis of texture effects. In USA & Canada contact: Siemens Analytical X-Ray Instruments...Deike Building University Park Pennsylvania 16802 USA JCPDS-lnternational Centre for Diffraction Data...Data 1601 Park Lane Swarthmore Pennsylvania 19081 USA North Dakota State University Department of Chemistry...Editor NASA DM-MSI^l Kennedy Space Center Florida 32899, USA Gregory J. McCarthy Editor for New Diffraction |  | | Book (chapter) | | Egleston 151 (1892). fer oligiste axotome = pseudorutile, Egleston 209 (1892). fer oligiste bacillaire... Haüy III, 560 (1822). fer oxidulé titané = pseudorutile, Haüy IV, 98 (1822). feroxihit = feroxyhyte...magnetite, Egleston 198 (1892). fer oxydulé titané = pseudorutile, Egleston 209 (1892). fer oxydulé titanifère...(2004). ferri-ilmeite = pseudorutile, Clark 322 (1993). ferri-ilmenite = pseudorutile, MM 31, 958 (1958)....Egleston 90 (1892). ferruginous oxide of titanium = pseudorutile, Egleston 209 (1892). ferruginous oxide of tungsten |  | | Report (issue) | | Evolution of Trail Ridge EoMmn Peat, Northern Florida AVAILABILITY OF BOOKS AND MAPS OF THE U.S. GEOLOGICAL...Heavy-Mineral Sand and Underlying Peat, Northern Florida By ERIC R. FORCE and FREDRICK J. RICH U.S. GEOLOGICAL...heavy-mineral sand and underlying peat, northern Florida. (U.S. Geological Survey professional paper ; 1499)...1. Heavy minerals Florida Trail Ridge. 2. Sand Florida Trail Ridge. 3. Peat Florida Trail Ridge. 4. Eolian...Eolian processes Florida Trail Ridge. 5. Geology Florida Trail Ridge. I. Rich, Fredrick J. II. Title. |  | Hou, B., Keeling, J., Reid, A., Fairclough, M., Warland, I., Belousova, E., Frakes, L., Hocking, R. (2011) Heavy Mineral Sands in the Eucla Basin, Southern Australia: Deposition and Province-Scale Prospectivity. Economic Geology, 106 (4) 687-712 doi:10.2113/econgeo.106.4.687 | Journal (article/letter/editorial) | | minerals - hydrated ilmenite (Ti/Ti+Fe = 0.5–0.6), pseudorutile (Ti/Ti+Fe = 0.6–0.7), and leucoxene (Ti/Ti+Fe...+ Fe) equal to 0.66, equating to a) A) Zr pseudorutile (Pownceby et al., 2008a). Rutile-anatase content...zircon, 9 percent ilmenite, predominantly as pseudorutile, and 5 percent rutile. The median grain size...leucoxene, and 60 percent ilmenite (mostly as pseudorutile). Mojave prospect, to the south of Barton West...Jersey (Puffer and Cousminer, 1982), Trail Ridge of Florida (Force and Rich, 1989), North Carolina and Virginia |  | | Report (volume) | | ilmenite3 (known also as "leucoxene," arizonite, pseudorutile, and so forth), ilmenite, and possibly perovskite...Evergreen contains rutile (Marsh and Sheridan, 1976). Florida. The aggregate resource figure in table 1 includes...altered ilmenite and rutile in elevated beach sands. Florida phosphate deposits contain titanium minerals, separable...Colorado; Evergreen ........... Florida; old beach sand ......... Florida; phosphate ............. Georgia;...1972, Rutile and associated heavy minerals in Florida phosphate flotation plants: U.S. Bureau of Mines |  | | Book | | Department of Geology University of California, Davis, CA USA DAVID T. WRIGHT Department of Geology University...Estuarine Environment, Willapa Bay, Washington, USA: Palaeogeographic Implications and Estuarine Evolution...Heavy-Mineral Sands of the Atlantic and Gulf Coastal Plains, USA. . . . . . . . . . . Fredric L. Pirkle, William A...G.L. BYNUM 761 Towhee Court, Fremont, CA 94539, USA (U.S. Geological Survey, retired) J. CASCALHO Centro... UC Davis, One Shields Avenue, Davis, CA 95616, USA G. DURN University of Zagreb, Faculty of Mining, |  | | Book (chapter) | | quartz-mogánite mixed-layer, Zirlin 72 (1981). agata florida = quartz + pyrite, de Fourestier 4 (1999). agata...(1892). Archigonales Eisenerz = ilmenite or pseudorutile, Hintze I.2, 1860 (1908). archise = acicular...arena titánica = pseudorutile, Domeyko II, 100 (1897). arena titanífera = pseudorutile, Domeyko II, 102...Goldschmidt IX text, 190 (1923). axotomes Eisenerz = pseudorutile, Dana 6th, 217 (1892). axotomes Orthoklas-Haloid...axotomous Eisenerz = pseudorutile, Dana 7th I, 534 (1944). axotomous iron = pseudorutile, Egleston 209 (1892) |  | | Journal (article/letter/editorial) | | definitive evolutionary models are lacking. Deposits in Florida and Georgia lie in Holocene and Pleistocene barrier...and Rich, 1989). Other placers in northeastern Florida and southern Georgia (the Folkston, Boulogne, Green...Granulometry and mineralogy of some north-eastern Florida placers: A consequence of heavy mineral concentration...heavy mineral sand and under lying peat, northern Florida: Washington, DC, United States Geol. Surv. Profess...contin uous alteration of ilmenite through pseudorutile to leucoxene: Ore Geol. Rev., v. 6, p. 25-44 |  | | Report (issue) | | feature that extends for more than 160 km across Florida and Georgia, formed as a coast-parallel dune complex...V5C; Roy, 1999). Many economic deposits in the Florida and Georgia coastal plain of the Southeastern United...barrier islands adjacent to river mouths along the Florida and Georgia coasts, and some of these have been...processing heavy-mineral sands for titanium minerals in Florida and Virginia. U.S. companies usually consider data...fraction (55 percent) of mostly ilmenite and pseudorutile (Premaratne and Rowson, 2003). Several studies |  | | Journal (issue) | | the Mineralogical Record—died October 9, 2005 in Florida. Abe was born June 10, 1925 in Philadelphia and...Professor 1968–1973), the University of South Florida (1973–1974), Oberlin College in Ohio (1973–1974)...preferring “free forms.” He was Past President of the Florida Friends of Mineralogy, loved teaching mineralogy...group Paratacamite Phillipsite series Phlogopite Pseudorutile Pyrite Pyrochlore Pyrrhotite Quartz Rozenite...HOCHELAGAITE Ilmenorutile Magnetite Paratacamite Pseudorutile Pyrochlore Quartz Rutile Carbonates Ankerite |  | | Journal (article/letter/editorial) | | fractions of both samples revealed peaks for pseudorutile (Fe 20,' 3Ti02), ilmenite, rutile, zircon, and...(1987) Clay mineralogy as related to morphology of Florida soils with sandy epipedons: Soil Sci. Soc. Arner |  | Rahman, Aminur, Tardio, James, Bhargava, Suresh K., Zaman, Mohammed Nazim, Hasan, A.S.M. Mehedi, Torpy, Aaron, Pownceby, Mark I. (2020) Comparison of the chemistry and mineralogy of ilmenite concentrates sourced from fluvial (Brahmaputra River) and beach placer (Cox’s Bazar) deposits, Bangladesh. Ore Geology Reviews, 117. 103271 doi:10.1016/j.oregeorev.2019.103271 | Journal (article/letter/editorial) | | weathered rocks (e.g. Tapira, Brazil; Trail Ridge, Florida), and unconsolidated sediments (e.g. Richards Bay...the development of leucoxene (> 90 wt-% TiO2), pseudorutile (~58 - 61 wt-% TiO2) and pseudoilmenite (~53 |
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