Origin and mineralization processes of REE during ... - ScienceDirect
2023/11/1 Two Paleozoic limestone samples (sedimentary calcite) were collected from احصل على السعر
Genesis of carbonatite and associated U–Nb–REE mineralization at ...
2021/11/1 Calcite is the dominant mineral in Huayangchuan carbonatites and it occours احصل على السعر
壳源碳酸岩特征、成因及意义 - ysxb.ac
2022/4/8 Experimental results show that partial melting of calcite and dolomite is احصل على السعر
鲁西碳酸岩中磷灰石的原位激光探针分析及其成岩意义
2009/11/30 Dawson JB,Hinton RW,Trace-olement content and partitioning in احصل على السعر
Geochemical and isotopic investigation of the Laiwu
2003/9/1 The pristine calcite from carbonatite has similar (⁸⁷Sr/⁸⁶Sr)i (0.70727-0.70739) احصل على السعر
Geochemical and isotopic investigation of the Laiwu–Zibo carbonatites ...
2004/8/1 The Laiwu–Zibo carbonatites can be petrologically classified as calcio-, magnesio- and ferro-carbonatites. ... Mineral separates (phlogopite, apatite, calcite and ankerite) were handpicked under a binocular microscope and also finely powdered with agate mill for isotopic analyses. Major elements were. Results.احصل على السعر
Geochemical and isotopic investigation of the Laiwu–Zibo
2004/8/1 Semantic Scholar extracted view of "Geochemical and isotopic investigation of the Laiwu–Zibo carbonatites from western Shandong Province, China, and implications for their petrogenesis and enriched mantle source" by Jifeng Ying et al. ... Insights from mineral paragenesis, chemical and Sr-Nd-C-O isotopic compositons of calcite. Longfei Gao ...احصل على السعر
Hydrochemical assessment of groundwater utilizing statistical
2024/11/19 The investigation of groundwater quality and hydrochemical assessment holds immense significance in safeguarding and ensuring the rational utilization of groundwater resources. This study utilizes groundwater sampling and testing data from the Laiwu region (LWR), encompassing both dry and wet season احصل على السعر
Hydrochemical assessment of groundwater utilizing statistical
tion of calcite and dolomite, with the hydrogeochemi-cal process of carbonate rock weathering involving the presence of sulfuric acid. It is noteworthy that human ... The Laiwu region (LWR) is situated in the heart of Shandong Province, at the eastern base of Mount Taishan (Fig. 1). Its geographical coordinates areاحصل على السعر
Hydrochemical assessment of groundwater utilizing statistical
2024/11/19 This study utilizes groundwater sampling and testing data from the Laiwu region (LWR), encompassing both dry and wet seasons, to delve into the hydrochemical characteristics, ion sources, and ...احصل على السعر
Geochemical and isotopic investigation of the Laiwu
2003/9/1 The carbonatites in this belt are primarily calcite carbonatite with minor dolomite carbonatite, phologopite/ biotiterich calcite carbonatite and ankerite carbonatites (Xia and Feng, 1987;Chu and ...احصل على السعر
Carbonatites in China: A review - ScienceDirect
2006/9/15 Calcite, dolomite and Fe-dolomite with phlogopite and accessory augite, apatite, magnetite, quartz and barite. ... The carbonatites of the Central Shandong Province, referred to as the Laiwu-Zibo carbonatites by Ying et al. (2004), occur in the central part of the North China Craton. They intrude mainly Archaean crystalline basement rocks and ...احصل على السعر
Genesis of the Hujiazhuang apatite-rich carbonatite complex in
2024/5/15 Magnetite-calcite-apatite carbonatites and calcite carbonatites were generated through fractional crystallization. ... such as the Fangcheng basalt, the Yinan gabbro, and the Laiwu-Zibo carbonatites. All these rocks have highly radiogenic Sr and unradiogenic Nd isotopic signatures, similar to the Hujiazhuang carbonatite complex (Fig. 10 d).احصل على السعر
Geological map of the Laiwu deposit (modified after Metallurgical ...
The Laiwu Fe deposit is the largest skarn‐type deposit in West Shandong in China, with an estimated reserve of 290 Mt of iron ore. Here, we investigate the occurrence and chemical composition of ...احصل على السعر
Hydrothermal activity and carbonate dissolution characteristics in ...
Jinniushan Rock as an example, the large scale NW trending fault distributed in the carbonate area in the north of the rock body (Fig. 3a). It can be used as a water conducting and permeable fault ...احصل على السعر
Partitioning of REE between calcite and carbonatitic melt ... - Nature
2022/2/28 Here we present an experimental study of REE partitioning between carbonatitic melts and calcite in the system CaCO3-Na2CO3 with varying amounts of P2O5, F, Cl, SiO2, SO3 at 650–900 °C and 100 ...احصل على السعر
(PDF) Trace Element and Sulfur Isotope Compositions of Gold‐bearing ...
2021/5/1 Geological maps of North China Craton (a) and Laiwu district (b), showing the locations of the Zhangjiawa and Sanchahe deposits (modified from Duan et al., 2017, 2020); A representative cross ...احصل على السعر
Laiwu-Zibo Carbonatites, Gangcheng District, Laiwu, Shandong
Laiwu-Zibo Carbonatites, Gangcheng District, Laiwu, Shandong, China : The Laiwu-Zibo carbonatites comprise over 100 intrusions spread over an area of c.65x33 km and are emplaced into Archean crystalline rocks and Paleozoic limestones. There are no accompanying igneous ...احصل على السعر
(PDF) Soil Bacterial Diversity and Its Relationship with Soil CO2
2020/8/7 To better understand the characteristics of soil bacterial diversity in different environments, the Laiwu Qilongwan experimental site was selected as it is of great significance for the study of ...احصل على السعر
Partitioning of REE between calcite and carbonatitic melt ... - Nature
2022/2/28 Here we present an experimental study of REE partitioning between carbonatitic melts and calcite in the system CaCO3-Na2CO3 with varying amounts of P2O5, F, Cl, SiO2, SO3 at 650–900 °C and 100 ...احصل على السعر
(PDF) Trace Element and Sulfur Isotope
2021/5/1 Geological maps of North China Craton (a) and Laiwu district (b), showing the locations of the Zhangjiawa and Sanchahe deposits (modified from Duan et al., 2017, 2020); A representative cross ...احصل على السعر
Laiwu-Zibo Carbonatites, Gangcheng District, Laiwu, Shandong
Laiwu-Zibo Carbonatites, Gangcheng District, Laiwu, Shandong, China : The Laiwu-Zibo carbonatites comprise over 100 intrusions spread over an area of c.65x33 km and are emplaced into Archean crystalline rocks and Paleozoic limestones. There are no accompanying igneous ...احصل على السعر
(PDF) Soil Bacterial Diversity and Its Relationship with Soil CO2
2020/8/7 To better understand the characteristics of soil bacterial diversity in different environments, the Laiwu Qilongwan experimental site was selected as it is of great significance for the study of ...احصل على السعر
Significance of hydrothermal reworking for REE mineralization ...
2020/5/1 Compared with magmatic calcite, hydrothermal calcite is significantly depleted in LREEs, Ba, Sr, Mn, Na and Mg, and shows elevated fractionation between LREE and HREE, which probably reflects the ...احصل على السعر
Generation of REE-rich syenite-(carbonatite) complex through ...
2022/6/1 The pristine calcite from carbonatite has similar (87 Sr/ 86 Sr) i (0.70727–0.70739) ... Geochemical and isotopic investigation of the Laiwu-Zibo carbonatites from western Shandong Province, China, and implications for their petrogenesis and enriched mantle source. Lithos (2004)احصل على السعر
Generation of REE-rich syenite-(carbonatite) complex through ...
2022/6/1 The pristine calcite from carbonatite has similar (87 Sr/ 86 Sr) i (0.70727–0.70739) with magmatic apatite. ... The Laiwu-Zibo carbonatites have similar Sr-Nd isotopic compositions as the mafic rocks (0.709526 ± احصل على السعر
Soil Bacterial Diversity and Its Relationship with Soil CO2 and
The change in soil CO 2 concentrations (the horizontal line shows the amount of CO 2 in the atmosphere. (a) shows the soil CO 2 concentration at different depths, and (b) shows the soil CO 2 concentration at 15 cm under different vegetation types).3.2. Mineral Composition. The soil samples were screened, and particle size distribution curves were drawn (). ...احصل على السعر
Trace Element and Sulfur Isotope Compositions of
Calcite in the last stage fills in the fractures and vugs (Fig. 1d). Based on optical characteristics, backscattered electron (BSE) observation and energy dispersive ... indicates that Laiwu ...احصل على السعر
Hydrochemical assessment of groundwater utilizing ... - NASA/ADS
The investigation of groundwater quality and hydrochemical assessment holds immense significance in safeguarding and ensuring the rational utilization of groundwater resources. This study utilizes groundwater sampling and testing data from the Laiwu region (LWR), encompassing both dry and wet seasons, to delve into the hydrochemical characteristics, ion sources, and احصل على السعر
Laiwu - Wikipedia
Laiwu (simplified Chinese: 莱芜; traditional Chinese: 萊蕪; pinyin: Láiwú) was a prefecture-level city in central Shandong Province, China.Bordered the provincial capital of Jinan to the north, Zibo to the east and Tai'an to the southwest, it was the smallest prefecture-level city in the province. It had a population of 1,298,529 as of the 2010 census, all living in the built-up (or ...احصل على السعر
Calcite - Minecraft Wiki
Calcite is a carbonate mineral, currently used as a decorative block. Calcite drops as an item if mined by any pickaxe. If mined without a pickaxe, it drops nothing. Calcite generates naturally as part of the structure of amethyst geodes, between the smooth basalt and block of amethyst layers. It also generates in the stony peaks in strips. Calcite is currently used only for decoration. Java ...احصل على السعر
Soil Bacterial Diversity and Its Relationship with Soil CO2
The park that was used in this study is located in Qilongwan village of Laiwu (Figure1) at 117 380E, 36 220N. The park belongs to the hilly area located in the middle and south of Shandongاحصل على السعر
济南市莱芜区人民政府
莱芜区发展和改革局到莱芜区行政审批服务局开展政策推介“双向奔赴”活动暨“十五五”规划编制前期调研 [12-25] 高效办成一件事】实践动态丨开办面粉加工厂“一件事” 落地见成效 [12-24] 医保动态】高效办成一件事，个账共济暖人心 [12-23]; 高效办成一件事 联办只需跑一次——区行政审批 ...احصل على السعر
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