| | Journal (article/letter/editorial) | Bruker SMART CCD diffractometer at 273(2) K with graphite-monochromated MoKα radiation (λ = 0.71073 â Ă
)...Theye (2007) Pumpellyite(Al), a new mineral from Bertrix, Belgian Ardennes. Eur. J. Mineral., 19, 247â253...247â253. An Al-rich pumpellyite from the quarry âCarriĂšre de la FlĂšche,â 3 km northwest of the Bertix village...village, Ardennes Mountains, Belgium has been described. Occurrences of Al-rich pumpellyite were previously...Laboratory of Mineralogy, University of Liege, Belgium (no. 20327). K.T.T. Si-deficient, OH-substituted | | Sun, Qianying, Zhou, Yanyan, Wang, Wei, Li, Chengdong, Zhao, Taiping (2017) Formation and evolution of the Paleoproterozoic meta-mafic and associated supracrustal rocks from the Lushan Taihua Complex, southern North China Craton: Insights from zircon U-Pb geochronology and whole-rock geochemistry. Precambrian Research, 303. 428-444 doi:10.1016/j.precamres.2017.05.018 | Journal (article/letter/editorial) | by the presence of graphite, mainly consists of graphite-bearing gneisses, graphite-bearing marbles, pyroxene...were interspersed with unknowns. 3.3. LA-ICP-MS U-Pb dating LA-ICP-MS zircon U-Pb isotope analyses were...amphibolites (15LS-17, 15LS-73) samples were analyzed by LA-ICP-MS dating method. 4.1.1. Sillimanite-garnet-biotite...amphibolite sample (15LS-17) that were previously dated by LA-ICP-MS. All the initial ΔHf (t) values and Hf model...elements (HFSE; e.g., Nb, Zr and Hf) and REEs (e.g., La and Sm), suggest that these elements were relatively | | Ăoban, Hakan, Topuz, GĂŒltekin, Roden, Michael F., Hoang, Nguyen, Schwarz, Winfried H. (2019) 40Ar-39Ar dating and petrology of monzonite ejecta in tephra from Quaternary GölcĂŒk volcano (Isparta, SW Turkey): tear-related contrasting metasomatic symptoms in extensional mantle-derived magmas. Lithos, 330. 160-176 doi:10.1016/j.lithos.2019.02.006 | Journal (article/letter/editorial) | Th. Moreover, variable (Hf/Sm)N MA and low (Ta/La)N ratios reflect subduction-related metasomatism...powder and 1.5 g of LiBO 2 flux was SC mixed in a graphite crucible and subsequently heated to 1,050 0 C...standard=0.710250 and 143 Nd/144 Nd ratios to the La Jolla Nd standard=0.511860. The uncertainty in concentration...511860 for the La Jolla standard. During the period of work the weighted average of five La Jolla Ndstandard...earth element patterns with relatively high EP T (La/Yb)N values (32-133) and hardly discernible negative | | Mao, AnâQi, Sun, DeâYou, Yang, DongâGuang, Tang, ZongâYuan, Zheng, Han (2020) Petrogenesis and tectonic implications of Early Cretaceous volcanic rocks from the Shanghulin Basin within the northâwestern Great Xing'an Range, NE China: Constraints from geochronology and geochemistry. Geological Journal, 55 (5). 3476-3496 doi:10.1002/gj.3583 | Journal (article/letter/editorial) | et al., 2004). coupled plasmaâmass spectrometry (LAâICPâMS) at the Key Laboratory of Mineral Resources...fractionated chondriteânormalized REE patterns (Figure 7a; (La/Yb) N = 9.01â19.55) and a lack of obvious Eu anomalies...abundances of 94â216 ppm. They display LREE enrichment ((La/Yb)N = 3.82â 5.1.1 | Genetic link between the mafic...Nb/YâRb/Y and melts. Ba/LaâTh/Yb diagrams, the samples range along the Rb/Y and Ba/La The presence of assimilated...by the lack of correlation of MgO with Sr and Nb/La. fields, indicating an enriched lithospheric mantle | | Li, Di, He, Dengfa, Lian, Yichi, Lu, Yu, Yi, Zejun (2017) Structural evolution and late Carboniferous magmatism of the Zhongguai arc in the western Junggar Basin, Northwest China: implications for tectonic evolution of the Junggar Ocean. International Geology Review, 59 (10) 1234-1255 doi:10.1080/00206814.2016.1160801 | Journal (article/letter/editorial) | After sufficient cooling, the sample was loaded in graphite furnace for stepwise heating. Each heating extraction...NISTSRM987 and 0.511864 ± 0.000003 (2Ï, n = 6) for the La Jolla Nd standard. All SrâNd isotopic ratios measured...low Th/Yb ratios (0.38â0.61). Instead, variable Ba/La ratios (7.70â 52.9) relative to constant Th/Yb values...their positive ΔNd(t) values (Figure 10b) and low La/Sm ratios (2.04â2.39), argue against significant...The enrichment of LILEs and LREEs and variable Ba/La (1.02â29.3), Ba/Nb (2.20â427) and Ba/Th (8.60â1549) | | | Journal (issue) | letter to the gold industry. 8 LAW | Erik Richer La FlĂšche of Stikeman Elliott outlines key points of Quebecâs...and strategic minerals sector By Erik Richer La FlĂšche Q uebec has a modern, diversified, and somewhat...mines in Quebec producing the following CSMs: graphite, nickel, niobium, titanium and zinc. A seventh...seventh mine, Nouveau Mondeâs Matawinie graphite project near Saint-Michel-des-Saints, is awaiting government...tailings, such as the AMI project. ERIK RICHER LA FLĂCHE is a partner in Stikeman Elliottâs Corporate Group | | | Journal (article/letter/editorial) | component. The presence in these gneisses of minor graphite with ÎŽ13C of ⌠â 25â° (authors' unpublished data)...are more fractionated in the LREE through MREE ((La/ Sm)CN = 5.4) compared to the MREE through HREE which...change in fractionation relative to distal gneisses ((La/ Sm)CN = 4.4; (Gd/Yb)CN = 1.4)). In contrast to the...display strong fractionation of LREE from HREE (e.g., (La/Yb)CN N 50) and large positive Eu anomalies, Grt...interleaved pelitic material (i.e., mud) containing graphite with biogenic ÎŽ 13 C signatures. We cannot discount | | Mohebi, Aida, Sepidbar, Fatemeh, Mirnejad, Hassan, Behzadi, Mehrdad (2020) Molybdenite ReâOs dating, petrology, and geochemistry of granitoids in the Bondar Hanza porphyry Cu deposit (
UrumiehâDokhtar
magmatic arc), Iran: Insight into petrogenesis, mineralization, and tectonic setting. Geological Journal, 55 (11). 7499-7516 doi:10.1002/gj.3874 | Journal (article/letter/editorial) | and albite Samples were fused to glass beads (graphite strip) with lithium (Figure 6e, f). The phyllic...(Figure 6g). The argillic plasmaâmass spectrometer (LAâICPâMS) with Resonetics S-155-LR alteration is composed...with dual external rotary pumps. The laser ablation (LA) instrument has a two-volume low-volume Laurin Technic...Cs Cu Dy Eu Er Fe Ga Ge Gd Hf Ho In K La Li Lu Mn Mo Na Nb Nd Ni P 3.58 Na2O LOI...in pyrite (5.0â6.5 â°), chalcopyrite (5.3â6.8 â°), La/Sm (7.3â10.6) and Sm/Yb (2.3â6.6) ratios similar | | | Report (issue) | ET DE LA MARINE MARCHANDE DIRECTION DES MINES, DE LA GEOLOGIE ET DE L' ENERGIE DIVISION DE LA GEOLOGIE...CONTRIBUTION A L'ĂTUDE PĂTROGRAPHIQUE ET STRUCTURALE DE LA ZO_NE INTERNE DU RIF ( Maroc septentrional ) par...MINES ET DE LA MARINE MARCHANDE DIRECTION DES MINES, DE LA GEOLOGIE ET DE L'ENERGIE DIVISION DE LA GEOLOGIE...CONTRIBUTION A L'ĂTUDE PĂTROGRAPHIQUE ET .STRUCTURALE ·DE LA ZONE INTERNE DU RIF ( .Maroc septentrional ) par...Doctorat d'Etat (Sciences naturellesj soutenue Ă la FacultĂ© des Sciences de Paris devant un jury composĂ© | | | Book (volume) | Ker^^f/acht 17 â Lsi^era i K , MINĂRALOGIE LA FRANCE le Ke prĂ©sent volume a Ă©tĂ© publiĂ© en deux...minĂ©ralogie an dâhistoire naturelle minĂ©ralogie DE LA FRANCE LT DE SES COLONIES description physique et... 15, BAUDRY et Cil-, MAISON A LIĂGE, RUE DE LA REGENCE, 1897 Tous droits rĂ©servĂ©s EK BICLIOTHE...y a trois ans, MinĂ©ralogie de la France jâai et II entrepris la publication de ma de ses colonies...jây ai trouvĂ©s moi-mĂȘme en trĂšs grand nombre. La comparaison des documents publiĂ©s dans mon premier | | | Book (edition) | Chapitre 1. Introduction Ă la gĂ©ologie Ă©conomique 1.1 Qu'est-ce que la gĂ©ologie Ă©con1omique? 1.2 ...qu'un gisement? 1.3 Les facteurs qui influencent la possibilitĂ© d'exploitation d'un gisement 1.3.1 Teneur...complexe du Bushveld, formĂ©s par une modification de la sĂ©quence de cristallisation d'un magma les gisements...Introduction les facteurs clĂ©s pour la formation d'un gisement hydrothermal 4.2.1 la source de fluides 4.2.2 Source...Source de mĂ©taux 4.2.3 le moteur de la circulation des fluides 4.2.4 Un site et un mĂ©canisme de prĂ©cipitation | | | Book | C. MARTfNEZ-Rurz Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR) Facu1tad de Ciencias Campus Fuentenueva...C. MartĂnez-Ruiz Instituto Andaluz de Ciencias de la Tierra CSIC-University of Granada Spain (fmruiz@ugr...koeberl@univie.ac.at) 2 Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR), Facultad de Ciencias, Campus Fuentenueva...temperature-labile. >15 Impact diamonds From carbon (graphite) present in target rocks; rare Cubic (hexagonal...small but occasionally up to mm-size; inherits graphite crystal shape. 45â>70 Mineral melts Rock-forming | | | Book | Helsinki, Finland Lyal B Harris Institut national de la recherche scientifique, Centre Eau Terre Environnement...Geophysics, Louisiana State University, Baton Rouge, LA, USA Pentti HölttĂ€ Geological Survey of Finland,...1 0,01 Cs b Ba Th U Ta Nb La Lu V Sc Cs Ba Th U Ta Nb La Ce Pb P Nd Zr Hf Sm Eu Gd Ti Tb Dy...Zr Hf Sm Eu Gd Ti Tb Dy Y Ho Er Tm Yb Lu Ta Nb La Ce Pb P Nd Zr Hf Sm Eu Gd Ti Tb Dy Y Ho Er Tm Yb...Subduction-related (min) Barberton - Komati Complex U Ta Nb La Ce Pb P Subduction-unrelated (max) Subduction-unrelated | | | Book | La mĂ©tasomatose et les roches mĂ©tasomatiques Editeurs : V.A. Zharikov, V.L. Rusinov Auteurs : V.A....types de processus mĂ©tasomatiques sont discutĂ©s selon la thĂ©orie de D.S. Korzhinskii. Les aspects thermodynamiques...expĂ©rimentale de la mĂ©tasomatose sont exposĂ©s. La relation entre la mĂ©tasomatose et la formation des gisements...mĂ©tasomatiques de faible densitĂ©. Une partie importante de la monographie propose des descriptions de roches mĂ©tasomatiques...en insistant sur le contexte gĂ©ologique, la pĂ©trographie, la minĂ©ralogie, les conditions physico-chimiques |
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