 | | Report (issue) | | LIBERIA LIBYA LIECHTENSTEIN LITHUANIA LUXEMBOURG MADAGASCAR MALAWI MALAYSIA MALI MALTA MARSHALL ISLANDS MAURITANIA...oxides, silicates and phosphates, often with rare earth elements and other critical materials such as...attention owing to its close association with rare earth elements and other critical materials. The possibility...possibility of thorium as a by-product of rare earth element production is becoming increasingly relevant.................................... 51 6.5.10. Madagascar ............................................ |  | | Report (issue) | | great region be obliterated from the surface of the earth.” Mining provided a reason to stay in Nevada, even...deposits that formed during the Late Proterozoic are rare or nonexistent in Nevada; however, these rocks...claim in the Gillis Range in Mineral County, and rare earth minerals at Red Rock in Washoe County. In northwestern...mineralogy, both as occurrences of newly discovered and rare minerals and as sources of collectible species....and brucite have been mined since 1935 and some rare copper-magnesium minerals have been found, are | | | Report (issue) | | great region be obliterated from the surface of the earth." Mining provided a reason to stay in Nevada, even...deposits that formed during the Late Proterozoic are rare or nonexistent in Nevada; however, these rocks do...and brucite have been mined since 1935 and some rare copper-magnesiun1 minerals have been found, are...claim in the Gillis Range in Mineral County, and rare earth minerals at Red Rock in Washoe County. In northwestern...mineralogy, both as occurrences of newly discovered and rare minerals and as sources of collectible species. |  | | Report (volume) | | Bibliography of the Geology and Mineralogy of the Rare Earths and Scandi urn to 1971 by JOHN W. ADAMS and...the index - - Acknowledgments - Minerals of the rare earthsSerials - - Bibliography Index- - - - - Page... BIBLIOGRAPHY OF THE GEOLOGY AND MINERALOGY OF THE RARE EARTHS AND SCANDIUM TO 1971 BY JOHN W. ADAMS AND...occurrence, geochemistry, and mineralogy of the rare earths and scandium. Although largely restricted... physical properties, and certain artificial rare-earth compounds that resemble minerals. The compilation |  | | Journal (article/letter/editorial) | | Earth-Science Reviews 100 (2010) 1–420 Contents lists available at ScienceDirect Earth-Science Reviews...doi:10.1016/j.earscirev.2009.10.011 2 H.G. Dill / Earth-Science Reviews 100 (2010) 1–420 by a pilot project...62 62 62 62 65 65 65 65 66 66 66 H.G. Dill / Earth-Science Reviews 100 (2010) 1–420 9. 10. 11. ...174 174 174 174 175 175 175 180 4 H.G. Dill / Earth-Science Reviews 100 (2010) 1–420 21. 22. 23....supply and use . . . . . . . . . . . . . . . . . . Rare Earth Elements (REE) . . . . . . . . . . . . . . . | | | Journal (article/letter/editorial) | | Earth-Science Reviews 100 (2010) 1–420 Contents lists available at ScienceDirect Earth-Science Reviews...doi:10.1016/j.earscirev.2009.10.011 2 H.G. Dill / Earth-Science Reviews 100 (2010) 1–420 by a pilot project...62 62 62 62 65 65 65 65 66 66 66 H.G. Dill / Earth-Science Reviews 100 (2010) 1–420 9. 10. 11. ...174 174 174 174 175 175 175 180 4 H.G. Dill / Earth-Science Reviews 100 (2010) 1–420 21. 22. 23....supply and use . . . . . . . . . . . . . . . . . . Rare Earth Elements (REE) . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | part of the Golden Cluster. Using U – Pb method, zircon dates vary from 2.7 Ga to 440 Ma. These age variations...not represent ages of pipe emplacements, as the zircon xenocrysts were probably derived from a combination...property was extensively explored for Yttrium and rare earth elements (Pell, 1994; Pell et al., 1989). Diamonds...inclusions within other minerals such as garnet, zircon and clinopyroxene, or as mineral aggregates replacing...in heavy minerals. Fine visible gold, abundant zircon and garnet were observed during the field preconcentration |  | | Journal (article/letter/editorial) | | of the monazite grains in mid-range to heavy rare-earth elements (REE) and their rims in La + Ce point...Monazite [(Ce,La,Ca,Th,Y)PO4], an important host for rare-earth elements (REE), is commonly found as an accessory...and for accuracy monazite from a pegmatite in Madagascar (Govindaraju 1994) were also used. The average...abundances of light rare-earth elements (LREE: La, Ce, Pr, Nd) and middle rare-earth elements (MREE: Sm...samples show enrichment in LREE relative to heavy rare-earth elements (HREE: Er, Tm, Yb, Lu). The Eu/Eu* and |  | Spandler, Carl, Morris, Caitlin (2016) Geology and genesis of the Toongi rare metal (Zr, Hf, Nb, Ta, Y and REE) deposit, NSW, Australia, and implications for rare metal mineralization in peralkaline igneous rocks. Contributions to Mineralogy and Petrology, 171 (12) doi:10.1007/s00410-016-1316-y | Journal (article/letter/editorial) | | Toongi rare metal (Zr, Hf, Nb, Ta, Y and REE) deposit, NSW, Australia, and implications for rare metal...peralkaline composition and economically significant rare metal content that is homogenously distributed throughout...limited volatile release and allowed build-up of rare metal contents to ore grades. We speculate that...the ore minerals may have originally formed from rare metal-rich sodic-silicate melt that formed immiscible...vesicles in the rock. Keywords Peralkaline magma · Rare metal mineralization · Toongi · Crystal fractionation |  | | Report (volume) | | Geology A Symposium on Nuclear Phenomena in the Earth Sciences____._ International Geological Congress...thorium; but some are on beryllium, lithium, and other rare elements of interest in the atomic energy program...Selected annotated bibliography of thorium and rare-earth deposits in the United States, including Alaska...J. C., and Wallace, S. R., 1956, Thorium and rare-earth minerals in the Powderhorn district, Gunnison...for determining the hafnium-zirconium ratio in zircon. 15$. 18 Index No. 88a CONTRIBUTIONS TO THE |  | | Report (volume) | | _ Fluorspar ________________________________ Rare-earth and radioactive elements __________________ Molybdenum...Peak area _______________ Monumental Summit rare-earth prospect ____________ Miscellaneous lode prospects...Idaho-Rainbow group _______________________ Galena prospect __________________________ Other lode prospects..._________________________ Dowling Quartz prospect _____________________ Ramshorn prospect ________________________ Other...Valentine group __________________________ Burn Creek prospect ________________________ Other prospects ____ |  | | Report (volume) | | during the Roadless Area Review and Evaluation (RARE II) by the Forest Service, January 1979. Both are...locations, and a field investigation of mining claims, prospect workings, and mineral deposits. These county records...eliminated all primary structures from most rocks, but rare exposures of preserved intersertal or coronitic...recrystallization have obscured any traces of bounding caldera faults that may have existed. The commonest recognizable...(rubidium-strontium) whole-rock isochrons, or their accessory zircon has been dated by uranium-thorium-lead methods |  | Abd El‐Naby, Hamdy H., Dawood, Yehia H., Sabtan, Abduallah A., Al Yamani, Mahmood S. (2021) Significance of radioelements distribution in the Precambrian rocks of Jabel Sayid, western Saudi Arabia, using spectrometric and geochemical data. Resource Geology, 71 (2) 105-122 doi:10.1111/rge.12253 | Journal (article/letter/editorial) | | Sabtan1 | Mahmood S. Al Yamani1 1 Faculty of Earth Sciences, King Abdulaziz University, Jeddah, Saudi...Correspondence Hamdy H. Abd El-Naby, Faculty of Earth Sciences, King Abdulaziz University, P.O. Box 80206...such as ilmenite, magnetite, garnet, monazite, zircon, rutile, pyrite, siderite, sphalerite, and titanite...the presence of some accessory minerals such as zircon (Figure 2b). Andesite contains calcite veins and...Rb/Sr age of 584 ± 26 Ma (Calvez et al., 1983). Zircon U–Pb isotopic dating revealed that the alkali granites |  | | Journal (article/letter/editorial) | | Road, London SW7 5BD, UK 2 School of Ocean and Earth Science, Southampton Oceanography Centre, University...1990) and, as such, is an important host for rare earth elements (REE). It is always enriched in the...crystal chemical controls on the uptake of REE. Rare-earth minerals are common in carbonatites, particularly...Monazite (P21/n) has a distorted zircon-type structure (141/amd). In zircon, Zr atoms are coordinated to...phase relations among rare earth elemenks. In Geochemistry and mineralogy of rare earth elements (B.R. Lipin |  | | Journal (article/letter/editorial) | | INTRODUCTION Huttonite (ThSiO4) is a relatively rare member of the monoclinic monazite group of minerals...In the 900 °C experiments, such overgrowths are rare and, when 1656 HARLOV ET AL.: THE RELATIVE STABILITY...depletion or enrichment in other minerals such as zircon and fluorapatite. Ultimately, these experiments...Mineralogist, 85, 22–32. Cherniak, D.J. (2000) Rare earth element diffusion in apatite. Geochimica et Cosmochimica...chemistry of zircon and zircon-group minerals. In J.M. Hanchar and P.W.O. Hoskin, Eds., Zircon, 53, p. 1–25 |  | | Report (issue) | | Institution of Mining and Metallurgy, Section B, Applied Earth Sciences, v. 97, p. B171-B180. Aldous, R. T. H....Jurassic to mid-Cretaceous: Canadian Journal of Earth Sciences, v. 20, p. 1891-1913. Archibald, D. A....II: Mid-Cretaceous to Eocene: Canadian Journal of Earth Sciences, v. 21, p. 567-583. Arculus, R. J., and...Mountains, northwestern Canada: Canadian Journal of Earth Sciences, v. 19, p. 316-323. Armstrong, R. L., Harakal...R. E., Damon, P. E., and Shafiqullah, M., 1990, Zircon U-Th-Pb and whole-rock Rb-Sr age patterns of lower |  | | Book | | Element Chemistry ............... 8.2 ltace and Rare Earth Elements .................... 8.3 Sr, Nd and...Montpellier Cedex, France Davies, 0. R. Department of Earth Sciences, The University, Leeds LS 2 9JT, U. K.... Yaounde, Cameroun Nixon, P.R. Department of Earth Sciences, The University, Leeds LS2 9JT, U. K. ...southern Gondwana platforms (Milanovsky 1987). The rare examples of reported Palaeozoic rifts are all intracontinental;...structured domain characterized East Africa from Madagascar and Kenya-Ethiopia to northeastern Sudan. It |  | | Report (issue) | | */ 11 17 17 Geochemical abundances of the rare-earth elements ——— Chondrites ————————————————————————...percent Ln2O3 ———————————————————————————————— 28. Rare-earth element relations, in atomic percent, for Eu-rich...seawater, and rhabdophanes ——————————————————— 34. Rare-earth element relations for 16 rhabdophanes from U...from Alaska and Taiwan ———————————————————————— Rare-earth elements in biotite from igneous rocks —————...oxides) and inversely with SiO2 contents. REE (rare-earth element) distributions in dark monazites from |  | Broom-Fendley, Sam, Styles, Mike T., Appleton, J. Don, Gunn, Gus, Wall, Frances (2016) Evidence for dissolution-reprecipitation of apatite and preferential LREE mobility in carbonatite-derived late-stage hydrothermal processes. American Mineralogist, 101 (3) 596-611 doi:10.2138/am-2016-5502ccby | Journal (article/letter/editorial) | | rims. Previous studies of the paragenesis and rare earth element (REE) content of the apatite suggest...HREE minerals. Keywords: Apatite, carbonatite, rare earth elements, Chilwa Alkaline Province, Tundulu,...in the latest phosphate stages. HREEenrichment is rare, especially in carbonatite-derived rocks, which...eudialyte has been metasomatically replaced by zircon and other REE-bearing minerals (Sheard et al. 2012)...to SBF (NEE/ J50318/1; S208) and by the NERC SoS RARE consortium (NE/M011429/1). M.T.S., J.D.A., and A |  | | Journal (article/letter/editorial) | | strongly enriched in heavy rare earth elements (HREE) relative to light rare earth elements (LREE) and has...geochemistry of the rare earth elements. Part XIV. The solubility of rare earth element phosphates from...Chem Geol 217:147–169 Cherniak DJ (2006) Pb and rare earth element diffusion in xenotime. Lithos 88:1–14...63(3):813–828 Cuney M, Mathieu R (2000) Extreme light rare earth element mobilization by diagenetic fluids in...thorite-xenotime-zircon-coffinite. Lithos 88(1–4):35–55 Fulignati P, Gioncada A, Sbrana A (1999) Rare-earth element |  | | Book | | Berlin 30 FRG Prof. Dr. PETR CERNY Department of Earth Science University of Manitoba, Winnipeg Manitoba...1986. Includes index. ISBN 978-3-642-87264-8 I. Rare earth metals-Congresses. 2. Tantalum-Congresses. 3...demand. The lanthanides, better known as the rare-earth elements (REE), tantalum (Ta) and niobium (Nb)...duplication of more fundamental books (such as "Rare earth elements geochemistry"; Henderson, P., editor)...ensures a wide circulation of this compendium. The rare-earth elements include the following series of 15 metals |  | Broom-Fendley, Sam, Wall, Frances, Spiro, Baruch, Ullmann, Clemens V. (2017) Deducing the source and composition of rare earth mineralising fluids in carbonatites: insights from isotopic (C, O, 87Sr/86Sr) data from Kangankunde, Malawi. Contributions to Mineralogy and Petrology, 172 (11) doi:10.1007/s00410-017-1412-7 | Journal (article/letter/editorial) | | PAPER Deducing the source and composition of rare earth mineralising fluids in carbonatites: insights...Carbonatites host some of the largest and highest grade rare earth element (REE) deposits but the composition and...Campus, Cornwall TR10 9FE, UK 2 Department of Earth Sciences, Natural History Museum, Cromwell Road...the REE mineralisation. Keywords Carbonatites · Rare earth elements · C and O isotopes · Sr isotopes · Chilwa...Carbonatites are characteristically enriched in the rare earth elements (REE) and are host to many of the largest |  | | Book | | of global incidence reaches the surface of the earth, the remainder being absorbed or reflected by the...residual concentration of resistant minerals: -zircon, chromite, quartz. 11 landmasses. The principal...minerals (quartz and accessories such as chromite and zircon) (Table 1.1-3). These minerals are largely unaffected...accumulation of components such alkali and alkaline-earth elements and silica. The principal modifications...substrate—in its definition and is appropriate at prospect, semi-regional and regional scales. An approach |  | | Report (issue) | | Carolina Geology and Description of Thorium and Rare-Earth Deposits in the Southern Bear Lodge Mountains...geology, and geologic setting of the thorium and rare-earth veins and newly discovered large disseminated...Hay, 1918Geology and description of thorium and rare-earth deposits in the southern Bear Lodge Mountains...Thorium ores Wyoming Bear Lodge Mountains. 2. Earth, Rare Wyoming Bear Lodge Mountains. I. Title. II. Series........ 15. Graph of relation of uranium to total rare earths in the disseminated deposits ........... |  | | Book | | Developments in Geochemistry RARE E A R T H ELEMENT GEOCHEMISTRY edited b y P. HENDERSON Department...Gadolin in 1794 extracted the earth "yttria" — a mixture of several rare earth oxides. Thus began the discovery...discovery and separation of the rare earths, but it was not until 1907 that Urbain completed the separation...separation of all the naturally-occurring rare earths by extracting lutetium. The problem facing the early...chemists was the extreme chemical coherence of the rare earth element group, which makes separation of the |
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