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Textural and compositional zoning in plagioclase phenocrysts: implications for magma chamber processes in the Emeishan large Igneous Province, SW China
Springer Science and Business Media LLC - Tập 42 Số 3 - Trang 453-470 - 2023
Chen, Qi, Yu, Song-Yue, Chen, Lie-Meng, Zhou, Sheng-Hua, Kang, Jian
Textural and compositional zoning within plagioclase phenocrysts records the magma chamber processes, such as magma differentiation, magma recharge and mixing, and crustal contamination. The plagioclase phenocrysts in the Daqiao and Qiaojia plagioclase-phyric basalts from the Emeishan Large Igneous Province (LIP) show complex textural and compositional zoning patterns, e.g., normal, reverse, oscil...... hiện toàn bộ
Effect of crustal porosity on lunar magma ocean solidification
Springer Science and Business Media LLC - Tập 40 - Trang 123-134 - 2021
Mingming Zhang, Yingkui Xu, Xiongyao Li
The lunar ferroan anorthosites, formed by plagioclase flotation from the crystallization of the lunar magma ocean, have an age span of over ~ 200 Ma. However, previous thermal models predicted a much shorter time range. We propose that a much smaller thermal conductivity of anorthositic crust due to its high porosity may have delayed the solidification of the lunar magma ocean. Our thermal simulat...... hiện toàn bộ
Erratum to: Seasonal discharge and chemical flux variations of rivers flowing into the Bayhead canal of Durban Harbour, South Africa
Springer Science and Business Media LLC - Tập 35 - Trang 354-354 - 2016
Kavandren Moodley, Srinivasan Pillay, Keshia Pather, Hari Ballabh
Geochemistry and provenance of the lower-middle pliocene cheleken formation, Iran
Springer Science and Business Media LLC - Tập 40 Số 5 - Trang 787-805 - 2021
Mehrabi, Houshang, Zamanzadeh, Seyed Mohammad, Amini, Abdolhossein, Tavakoli, Vahid, Sajjadi, Freshteh, Mirrabie, Seyede Sepideh, Soltani, Behzad
In the present study, the Lower-Middle Pliocene Cheleken Formation in the south of Ghaemshahr city was studied to determine the provenance of the comprising sediments, paleoclimatic conditions, and tectonic setting of the rocks. Petrographic and geochemical analyses of major and minor elements of the samples were used for this purpose. This Formation is composed of three major facies including con...... hiện toàn bộ
In-situ sulfur isotope and trace element of pyrite constraints on the formation and evolution of the Nibao Carlin-type gold deposit in SW China
Springer Science and Business Media LLC - Tập 38 - Trang 555-575 - 2019
Jinxiang Li, Chenghai Zhao, Yong Huang, Yuzhou Zhuo, Jinwei Li
The fault-controlled Nibao Carlin-type gold deposit, together with the strata-bound Shuiyindong deposit, comprise a significant amount of the disseminated gold deposits in southwestern Guizhou Province, China. Five main types and two sub-types of pyrite at the Nibao deposit (Py1a/Py1b, Py2, Py3, Py4, Py5) were distinguished based on detailed mineralogical work. Py1, Py2 and Py3 are Au-poor, wherea...... hiện toàn bộ
Geochemistry and Zircon U–Pb age of the Yao’an pseudoleucite porphyry, Yunnan Province, China
Springer Science and Business Media LLC - - 2017
Chundi Sun, Peng Wu, Die Wang, Shenjin Guan, Xiaojun Jiang, Longyan Jiang, Longyan Wang
The Yao’an Pb–Ag deposit, located in the Chuxiong Basin, western Yangtze Block, is an important component of the Jinshajiang–Ailaoshan alkaline porphyry–related polymetallic intrusive belt. This complex suite of rock bodies includes a vein of pseudoleucite porphyry within deposits of syenite porphyry and trachyte. The pseudoleucite is characterized by a variable greyish, greyish-white, and greyish...... hiện toàn bộ
Formation of FeNi metal nodules in the Jilin H5 chondrite, the largest stone meteorite in the world
Springer Science and Business Media LLC - Tập 42 - Trang 961-970 - 2023
Xiande Xie
The Jilin H5 chondrite, the largest known stony meteorite in the world, with its No.1 fragment weighing 1770 kg. It contains submillimeter- to centimeter-sized FeNi metal particles/nodules. Our optical microscopic and electron microprobe analyses revealed that the formation of metal nodules in this meteorite is a complex and long-term process, The early stage is the thermal diffusion-caused migrat...... hiện toàn bộ
Effects of carbon anhydrase on utilization of bicarbonate in microalgae: a case study in Lake Hongfeng
Springer Science and Business Media LLC - - 2018
Haitao Li, Yanyou Wu, Lihua Zhao
A bidirectional labeling method was established to distinguish the proportions of HCO3− and CO2 utilization pathways of microalgae in Lake Hongfeng. The method was based on microalgae cultured in a medium by adding equal concentrations of NaH13CO3 with different δ13C values simultaneously. The inorganic carbon sources were quantified according to the stable carbon isotope composition in the treate...... hiện toàn bộ
A practical soil management to improve soil quality by applying mineral organic fertilizer
Springer Science and Business Media LLC - Tập 36 - Trang 198-204 - 2017
Leilei Xiao, Qibiao Sun, Huatao Yuan, Bin Lian
Heavy use of chemical fertilizer causes increasing soil and environmental crisis, and the use of organic fertilizer increases obvious in recent years. In this study, mineral organic fertilizer (MOF) and compound fertilizer (CF) were applied in amaranth culture to explore the effects of these two kinds of fertilizers on soil quality and the potential function for CO2 fixation. Some soil parameters ...... hiện toàn bộ
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