(PDF) Evolution of Minerals

li g ht o f m i ne ra l e vo lu ti on as a g u id i ng co nc ep t. I do, however, want to emphasiz e one intrigu - ing insight: most of Ear th''s thousand s of miner -

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2014.01~2020.05,. 2017.12~2018.02,CSC. 2014.11~2016.10,. 2016.08~2016.09,. 2014.09~2014.10 ( ...

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Li S-Q, Hegner E, Yang Y-Z, Wu J-D, Chen F (2014) Age constraints on late Mesozoic lithospheric extension and origin of bimodal volcanic rocks from the Hailar basin, NE China. Lithos, …

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The enhancement and suppression of immersion mode ...

It contains 76.6% alkali feldspar, 16.7% plagioclase feldspar and 3.9% quartz. Eifel sanidine was first tested by Whale et al. 35 and is pure alkali feldspar which lacks perthitic texture and therefore is an inefficient nucleator. Humic acid (leonardite) was purchased from …

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Yiwei Chen, Sheng-Hua Li, Bo Li, Qinzhen Hao, Jimin Sun, 2015. Maximum age limitation in luminescence dating of Chinese loess using the multiple-aliquot MET-pIRIR signals from K-feldspar. Quaternary Geochronology 30, 207–212. Zhonghua Tian, Wenjiao

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Influence of faults on alteration, mineralogy, and ...

2021-7-8 · Contact metamorphism and metasomatism are imposed on granitic rocks by late intrusions. This study shows the consequences of this phenomenon on the pedogenesis of granitic rocks and on the geotechnical properties of granitic residual soils. This study comprises two saprolitic soils formed from the same granitic body in a site located in the Southern Brazil Coast. A biotite-rich residual soil ...

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1. Yonggang Sun,Bile Li*,Fengyue Sun ...

2020-2-18 · 1. Yonggang Sun,Bile Li*,Fengyue Sun,Qingfeng Ding,Baiyi Wang,Yujin Li, Kun Wang. Mineralization events in the Xiaokele porphyry Cu (–Mo)deposit, NE China: Evidence from zircon U–Pb and K-feldspar Ar–Ar geochronology and

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2019-4-8 · ,、 。,:1s 、2s 2p、3s 5f、6d 1—7(H—Ne) 。

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ofr20211045.pdf

2021-4-13 · Feldspar Fluorspar Gallium Ger maniu Gold Graphite Hafnium elium Indium Iridium Iron ore Lanthanum Lead L ith um Magnesium ... Li Na K Rb Cs Fr Be Mg Ca Sr Ba Ra ... Ne Ar Kr Xe F Cl N O Br Rf Db Sg Bh Hs Mt Ds Rg Cn B C Al Si P S Ga Ge Se In Sn Sb Te I Tl Pb Bi Po At Rn Nh Fl Mc Lv Ts Og La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Ac Pa U Np ...

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2020-9-29 · :,1980,。2003 2006 ()、;2011 (-);2006 7 2012 1, …

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Mineralogy and short wavelength infrared spectral analysis ...

The No. 782 deposit is one of the rare earth elements (REEs), niobium and zirconium resources of NE China and contains ∼17 million tons of ore @ 0.23 wt.% total REEs and Y oxides, @ 0.12 wt.% Nb 2 O 5, and @ 1.00 wt.% ZrO 2.The REE–Nb–Zr minerals are hosted mainly in the late Ordovician porphyritic alkali-feldspar granite, which intrudes in a late Cambrian monzogranite.

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Reply to the comments by Madsen & Liu on "Late …

2019-3-1 · Madsen and Liu (2018), however, misused our data and only discussed the chronology using the feldspar pIRIR 290 ages, which could be overestimated due to partial resetting, because they believed that "quartz OSL dating beyond 60–70 ka has proven to be problematic (e.g., Li et al., 2015)". It is true that there is a tendency for older ...

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Geochronology and geochemistry of the Badaguan …

2015-11-4 · The Badaguan porphyry Cu–Mo deposit belongs to the Derbugan metallogenic belt, which is located in the Ergun block, NE China. In the mining area, the Cu–Mo mineralization mainly occurs in quartz diorite porphyry and is hosted within silicified-sericitized and sericite alteration zone. Geochemical results of the host porphyry is characterized by high SiO2, high Al2O3, low MgO, weak positive ...

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CHARACTERIZATION OF NATURAL FELDSPARS BY …

2010-8-26 · The Raman spectra of a large number of natural feldspar-group minerals were obtained to determine what compositional and structural information can be inferred solely from their Raman spectra. The feldspar minerals selected cover a wide range of Na, K, and Ca proportions, crystal structures and degrees of cation disorder.

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Tectonic‐magmatic framework identified by remote …

2020-11-3 · The NE‐SW striking transcurrent sinistral strike‐slip faults and ''S‐shaped'' drag folds (F 2) overprinted the dextral shear zones. The Hongshan batholith is a complex pluton, which was composed of alkaline feldspar granite, syenite granite, and monzogranite.

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Quartz and K-feldspar luminescence dating of …

In this study, luminescence dating of core sediments from the North Bohai Coast (China) was applied to provide a high-resolution chronological constraint, on a better understanding of the Holocene marine-terrestrial interaction. The studied sedimentary sequence contains a terrigenous deposit, a transgressive deposit and a prograding deltaic succession; all are believed to have formed during ...

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Elemental and B-O-H isotopic compositions of tourmaline ...

2019-1-1 · Ni, Zn, Cu and Co are generally partitioned into tourmaline. Cs, Ba, Sr, Pb and Rb partition into K-Feldspar, whereas HFSE and REE (except for Eu) show preference for tourmaline. Li, Ga, Sn, Ni, Zn and Cu are generally partitioned into tourmaline relative to albite (Fig.13C). Be, Ba, Sr, Pb and Rb partition into albite.

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Age and Origin of the Dongping Au-Te Deposit in the …

Dongping is the largest Au-Te vein deposit (~120 t Au) in the North China craton, but its age, origin, and setting remain unsolved. Here, we integrate paragenesis, geochemistry, and in situ U-Pb geochronology of garnet to constrain the timing and possible origin of the Dongping Au-Te deposit.

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Geol. Mag. 152 3, 2015, pp. 383–399. doi:10.1017 ...

feldspar granites in the whole Great Xing''an Range, and further discuss what constraints they impose on the tectonic evolution of NE China. 2. Geological settings and sample descriptions NE China is located within the eastern part of the Pa-laeozoic Central Asian Orogenic Belt (CAOB) (Jahn, Wu & Chen, 2000; Jahn, 2004), separated from the

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Evidence for temporal relationship between the late ...

2021-3-12 · However, Li et al. (2004) obtained a SHRIMP zircon U–Pb age of 151 ± 3 Ma, which was consistent with the muscovite 40 Ar/ 39 Ar age of 149.3 ± 3.5 Ma obtained by Yin et al. (2002) 28,29.

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Tracing an Early Jurassic magmatic arc from South to …

gravity, magnetic, and seismic NE trending anomalies within the north SCS to be a buried Late Mesozoic subduction-accretion zone. The southwest ECS was found to be underlain by pre-Cenozoic basement rocks [e.g., Yang and Li, 2003], encountered in more than 20 wells. These basement rocks were proposed by Wang et al. [2014] to consist

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Yan LI | Lecturer | Dr. rer. nat. | China University of ...

Yan LI, Lecturer | Cited by 158 | of China University of Geosciences (Beijing), Beijing | Read 16 publications | Contact Yan LI

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