 | | Report (issue) | | Orpiment, Twin Creeks Mine Powellite Pyrargyrite Pyrite on Barite Pyromorphite Wulfenite Fluorite on...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. | | | Report (issue) | | Orpiment, 'twin Creeks Mine Powellite Pyrargyri te Pyrite on Barite Pyromorphite Pyromorphite after Galena...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 |  | | 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) . . . . . . . . . . . . . . . |  | | 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...hornblende gabbro, and porphyritic feldspar amphibolite; rare dark diorite is exposed at Three Forks. Hornblendic |  | | 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...carbonate, organic matter, iron oxides, hematitized pyrite and locally minor monazite nodules. Powder X-ray...abundances of light rare-earth elements (LREE: La, Ce, Pr, Nd) and middle rare-earth elements (MREE: Sm |  | | 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 ............................................ |  | | Book | | of global incidence reaches the surface of the earth, the remainder being absorbed or reflected by the...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...characteristics of each site or prospect as a code (e.g. a prospect in an arid area of low relief, model...formation of some nodules in tropical soils. Finally, pyrite, a common accessory mineral in many rocks, is also |  | | 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 |  | | 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 |  | 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...ilmenite, magnetite, garnet, monazite, zircon, rutile, pyrite, siderite, sphalerite, and titanite. In addition...funding this project (Grant No. AT-30-31). Faculty of Earth Sciences, King Abdulaziz University is truly acknowledged...desert, Egypt. Journal of King Abul Aziz University, Earth Science, 13, 19–40. ABD EL-NABY ET AL. Adams |  | | 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...Hildebrand, F. A., 1958, Fractional precipitation of rare earths with phosphoric acid. 15$. Contributions |  | | 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 |  | | Journal (article/letter/editorial) | | strongly enriched in heavy rare earth elements (HREE) relative to light rare earth elements (LREE) and has...minerals including plagioclase (Si), fayalite (Fe), pyrite (S) and fluorapatite (Ca and P), as well as synthetic...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 |  | | 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...4. Bachinski, S. W., and Scott. R. B.. 1979, Rare-earth and other trace element contents and the origin |  | | 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 ........... |  | | Report (volume) | | assets: Johnson, John, F. J., 3. Curtis H., 1. Earth: Vincenz, S. A. , 3. Granite controversy: Read,...retrospect and Index fossils: Stephenson, L. W., 1. prospect: McKinstry, H. E., Indiana, economic resources...T. F., 3R. Pegmatitic mineralsHeinrichjE.W.,91 Pyrite and marcasite, Coastal Choctaw County, petrography:...and permafrost conditions, Heat exchange between earth and evaluation by airphotos: Frost, atmosphere:...Henry Bay Wales Island, Hollis area: uranium-rare earth prospect: Pillmore, C. L., 10. MacKevett, E. M., Jr |  | | Book | | and change its rocky crust. Like a golf ball, the earth has a small core in the center, a thick zone that...the surface. The thick intermediate zone of the earth, the mantle, consists of heavy black rocks called...rarely see. Although most of the mantle is The earth as it would look if it were sawed in half. solid...they form an enormous collapse crater called a caldera when they erupt, fill it with new volcanic rocks...batholith, which appears to have been a resurgent caldera during its emplacement. What Next? It isn’t over |  | | 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 |  | | Report (volume) | | The Distribution of Rare-Earth Elements in · Minerals of the Monazite Family U.S. GEOLOGICAL SURVEY...Alaska may order maps from U.S. Geological Survey, Earth Science Information Center 101 Twelfth Ave., Box...12 Fairbanks, AK 99701 The Distribution of Rare-Earth Elements in Minerals of the Monazite Family By...ion Data Rosenblum, Sam. The distribution of rare-earth elements in minerals of the monazite family I...of Docs. no.: I 19.3:2140 1. Monazite. 2. Earths, Rare. I. Fleischer, Michael, 1908- II. Title. III. Series |  | | Report (issue) | | Rooseveltite has not been reported to contain rare earth elements (REE) and will not be considered further...minerals of low REE content, and the variation of rare earth content in monazite is far less satisfactory...carbonatite quartzite aegirine-type ore gem aplite-pyrite dike in carbonatite carbonatite greisen gabbro-dolerite...summaries) Amli, Reidar (1975), Mineralogy and rare earth geochemistry of apatites and xenotime from the... Tom (1986), Compositional variation of some rare-earth minerals from the Fen complex (Telemark, S.E |  | | 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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Rare Earth prospect, Unnamed caldera, Betaimboay, Antsirabe, Ambanja, Diana, Madagascar