scholarly journals Shamai Tungsten Deposit, Inner Mongolia: Constraints from 40Ar/39Ar Age of hydrothermal Muscovite

2021 ◽  
Vol 2044 (1) ◽  
pp. 012054
Author(s):  
Haoran Wu ◽  
Huaibin Li ◽  
Fuzhong Xu ◽  
Lamei Li ◽  
Junjie Yi
Keyword(s):  
Inner Mongolia ◽  
Tungsten Deposit

scholarly journals Genesis of the Yingzuihongshan Tungsten Deposit, Western Inner Mongolia Autonomous Region, North China: Constraints from in Situ Trace Elements Analyses of Scheelite

Minerals ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 510
Author(s):  
Guoqiang Wang ◽  
Xiangmin Li ◽  
Dongliang Zhang ◽  
Jiyuan Yu ◽  
Yujie Liu
Keyword(s):  
Trace Elements ◽  
Inner Mongolia ◽  
Inductively Coupled Plasma ◽  
Distribution Patterns ◽  
Oscillatory Zoning ◽  
Granitic Magma ◽  
Tungsten Deposit ◽  
Autonomous Region ◽  
Inner Mongolia Autonomous Region

In situ analyses of trace elements and rare-earth elements (REEs) were performed by use of laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) on scheelite samples from the Yingzuihongshan tungsten deposit in western Inner Mongolia Autonomous Region, China. The contents of trace elements Nb, Ta and Mo of scheelite indicate that the ore-forming fluid is magmatic hydrotherm and is exsolved from highly fractionated granitic melt. The scheelite has high REE contents and ∑REE values, and a very inhomogeneous distribution of REEs exists in different scheelite grains or even in one scheelite grain. The cathodoluminescence (CL) images of scheelite grains display well-developed zoning or fine oscillatory zoning. Development of zoning is closely related to the variable contents of REEs, and the darkness of shade of CL images are mainly determined by ∑REE values, but they have no correlation with the distribution patterns of REEs. The chondrite-normalized REE distribution patterns of scheelite are classified as the middle REEs (MREEs)-enriched type, except for a strong negative Eu-anomaly, which could be a REE-flat type and or a MREEs-depleted type. Trace element composition of scheelites from the Yinzuihongshan tungsten deposit reflect that the ore-forming materials mainly came from the crust and the ore-forming fluids are dominantly derived from the granitic magma in an oxidizing environment, in which very dynamic conditions of the hydrothermal system prevailed during precipitation of scheelite. On the basis of the above understanding and field geological featured, we considered that the Yingzuihongshan tungsten deposit is the quartz-vein-hosted tungsten type that is genetically associated with monzonitic granite.

Diagnosing and Debunking Korean Pseudohistory

2019 ◽  
pp. 37-80
Author(s):  
Andrew Logie
Keyword(s):  
South Korea ◽  
East Asia ◽  
20Th Century ◽  
Inner Mongolia ◽  
Political Influence ◽  
The Core ◽  
Early State

In current day South Korea pseudohistory pertaining to early Korea and northern East Asia has reached epidemic proportions. Its advocates argue the early state of Chosŏn to have been an expansive empire centered on mainland geographical Manchuria. Through rationalizing interpretations of the traditional Hwan’ung- Tan’gun myth, they project back the supposed antiquity and pristine nature of this charter empire to the archaeological Hongshan Culture of the Neolithic straddling Inner Mongolia and Liaoning provinces of China. Despite these blatant spatial and temporal exaggerations, all but specialists of early Korea typically remain hesitant to explicitly label this conceptualization as “pseudohistory.” This is because advocates of ancient empire cast themselves as rationalist scholars and claim to have evidential arguments drawn from multiple textual sources and archaeology. They further wield an emotive polemic defaming the domestic academic establishment as being composed of national traitors bent only on maintaining a “colonial view of history.” The canon of counterevidence relied on by empire advocates is the accumulated product of 20th century revisionist and pseudo historiography, but to willing believers and non-experts, it can easily appear convincing and overwhelming. Combined with a postcolonial nationalist framing and situated against the ongoing historiography dispute with China, their conceptualization of a grand antiquity has gained bipartisan political influence with concrete ramifications for professional scholarship. This paper seeks to introduce and debunk the core, seemingly evidential, canon of arguments put forward by purveyors of Korean pseudohistory and to expose their polemics, situating the phenomenon in a broader diagnostic context of global pseudohistory and archaeology.

Japanese Building Railways in Inner Mongolia

1938 ◽  
Vol 7 (13) ◽  
pp. 151-151
Author(s):  
J. R. S.
Keyword(s):  
Inner Mongolia
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