MINERAL COMPOSITION OF Fe-POOR FERRUGINOUS AND CARBONACEOUS SHALES FROM THE ALEXANDRINSKOE AND SAF′YANOVSKOE DEPOSITS (THE URALS) [PDF]
Минералогия, 2016 Ferruginous and carbonaceous shales of the Alexandrinskoe and Saf′yanovskoe massive sulfide deposits are composed of pseudomorphic chlorite, quartz and hydromica after hyaloclasts and contain quartz and plagioclase clasts, as well as zircon, apatite ...
N.S. Arkhireeva, V.A. Kotlyarov
doaj
Ocorrência de xenótimo em amostras aluvionares da região centro-leste de Portugal, Zona Centro Ibérica-Zona de Ossa Morena [PDF]
, 2010 Foi identificado, possivelmente pela primeira vez em Portugal, xenótimo aluvionar em concentrados de bateia colhidos numa campanha de prospecção de terras raras desenvolvida pelo ex-IGM no centro-leste deste país.
Inverno, Carlos +3 more
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Zircon LA-ICPMS geochronology of the Cornubian Batholith, SW England [PDF]
, 2016 AcceptedArticleAvailable U-Pb age data for the Cornubian Batholith of SW England is based almost entirely on monazite and xenotime, and very little zircon U-Pb age data has been published.
Lancaster, PJ +4 more
core +1 more source
Terrestrial Gamma Radiation Exposure in Bangka-Belitung Islands, Indonesia [PDF]
, 2015 Bangka-Belitung is known as tin producer and it geologically contains higher concentrations of natural radionuclides than most other areas. The aim of this study was to evaluate the level of terrestrial gamma radiation in Bangka-Belitung Islands.
Setiawan, A. (A) +1 more
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Decomposition of Xenotime with Sulfuric Acid
The Journal of the Society of Chemical Industry, Japan, 1962 マライ産ゼノタイムを試料として用い,硫酸によって分解するときの最適条件を求めることを目的とし,微粉砕試料について硫酸量,硫酸濃,処理温度,処理時間などと希土類元素の抽出率との関係について検討した。小規模な実験において,微粉砕試料ではつきのような条件でほとんど完全に分解する。(1)試料:硫酸1:2.0,(2)硫酸濃度95%,(3)処理温度250℃,(4)処理時間30分。ゼノタイム試料についてはX線分析によっても検討した。
openaire +2 more sources
Recovery of rare earth elements from acid mine wàters by using phosphate based precipitation processes : memory [PDF]
, 2017 Los procesos de meteorización de residuos de la minería de sulfuros metálicos de la faja pirítica en el sur de la peninsula esta acompañada de la generación de aguas de una elevada acidez debido a las altas concentraciones de ácido sulfúrico.
Chávez Vela, Gissela Estefania
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Radiogenic Pb in xenotime trapped in nanoscale inclusions of apatite during fluid alteration
Chemical Geology, 2023 Cilva Joseph +9 more
semanticscholar +1 more source
Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall. [PDF]
, 2013 Monazite [(Ce, La, Th, Nd, Y) PO4] occurs far more widely within the magmatic hydrothermal lode systems of Cornwall than has been previously recognised. In situ and mine dump specimens analysed by binocular and transmitted light microscopy, SEM, XRD and
Jewson, C. +2 more
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The common origin and alteration history of the hypabyssal and volcanic phases of the Wadi Tarr albitite complex, southern Sinai, Egypt [PDF]
, 2019 New data and interpretations are presented for the igneous albitites of the Wadi Tarr area, southern Sinai, Egypt. The albitite masses are isolated in outcrop from any granitic intrusions and have intrusive contacts against the country rocks without any ...
Al-Kahtany, Khaled M. +3 more
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