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Passive carbon sequestration associated with wollastonite mining, Adirondack Mountains, New York 与硅灰石开采相关的被动碳封存，阿迪朗达克山脉，纽约
3区 地球科学
American Mineralogist Pub Date : 2023-11-01 DOI: 10.2138/am-2022-8622
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引用次数: 0
Highlights and Breakthroughs The search for a universal law of crystal growth: The law of proportionate effect? 寻找晶体生长的普遍规律:比例效应定律?
3区 地球科学
American Mineralogist Pub Date : 2023-10-01 DOI: 10.2138/am-2023-9182
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引用次数: 0
Machine-learning oxybarometer developed using zircon trace-element chemistry and its applications 利用锆石微量元素化学开发的机器学习氧气压表及其应用
IF 3.1 3区 地球科学
American Mineralogist Pub Date : 2023-10-01 DOI: 10.2138/am-2023-8978
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引用次数: 0
Zhengminghuaite, Cu6Fe3As4S12, a new sulfosalt mineral from the Zimudang Carlin-type gold deposit in southwestern Guizhou, China 黔西南紫木荡卡林型金矿床中一种新的硫盐矿物Cu6Fe3As4S12
IF 3.1 3区 地球科学
American Mineralogist Pub Date : 2023-10-01 DOI: 10.2138/am-2023-9078
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引用次数: 0
Thermoelastic properties of natural zircon – Part I: Non-metamict zircon 天然锆石的热弹性特性。第1部分:非变质锆石
IF 3.1 3区 地球科学
American Mineralogist Pub Date : 2023-10-01 DOI: 10.2138/am-2023-8986
Marie Münchhalfen, Jürgen Schreuer
{"title":"Thermoelastic properties of natural zircon – Part I: Non-metamict zircon","authors":"Marie Münchhalfen, Jürgen Schreuer","doi":"10.2138/am-2023-8986","DOIUrl":"https://doi.org/10.2138/am-2023-8986","url":null,"abstract":"9 The thermoelastic properties and thermal expansion of natural single-crystal zircon without detectable 10 radiation damage were determined in the temperature range between 100 K and 1650 K on five 11 samples from Cambodia, Sri Lanka, and Tanzania. Up to about 1500 K, the results are in excellent 12 agreement and fully reversible. The average adiabatic elastic stiffness coefficients at room temperature 13 in GPa are c 11 = 426.8(6), c 12 = 68.1(4), c 13 = 152.0(4), c 33 = 490.8(9), c 44 = 113.1(2) and c 66 = 49.0(1). 14 Polycrystalline averaging for the aggregate bulk and shear modulus (Voigt-Reuss-Hill average) yield K 15 = 229.3(4) GPa and G = 109.3(1) GPa. From 293 K to 1573 K, the elastic stiffnesses soften almost 16 linearly with the temperature coefficients in MPa/K: d c 11 /d T = -45.36(7), d c 12 /d T = -2.03(7), d c 13 /d T = - 17 9.59(7), d c 33 /d T = -42.85(12), d c 44 /d T = -9.60(3), and d c 66 /d T = -2.19(1). Below room temperature, the 18 behavior of the c ij is non-linear, with decreasing absolute values of the temperature coefficients. Above 19 about 1500 K, a temperature-and time-dependent irreversible elastic stiffening accompanied by an 20 increasing ultrasound dissipation was observed in all samples. These anomalies are interpreted to be the 21 consequence of increased dislocation densities.","PeriodicalId":7768,"journal":{"name":"American Mineralogist","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48501329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New Mineral Names: Heavy metal and minerals from China 新矿物名称:来自中国的重金属和矿物
3区 地球科学
American Mineralogist Pub Date : 2023-10-01 DOI: 10.2138/am-2023-nmn108106
Aaron J. Celestian
{"title":"New Mineral Names: Heavy metal and minerals from China","authors":"Aaron J. Celestian","doi":"10.2138/am-2023-nmn108106","DOIUrl":"https://doi.org/10.2138/am-2023-nmn108106","url":null,"abstract":"Abstract This issue of New Mineral Names summarizes new species that contain toxic heavy metals and rare earth elements with a partial focus on new minerals found in China. All these new minerals have potential uses for environmental and technological applications, and their origins reflect historical mining or cultural significance. Here we look at fluorbritholite-(Nd), napoliite, scenicite, evseeite, haitaite-(La), dongchuanite, liguowuite, and gysinite-(La).","PeriodicalId":7768,"journal":{"name":"American Mineralogist","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135458453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Concerning Tetrahedrites: How Much to Lump and How Far to Split? 关于四面体：包多少和分裂多远？
IF 3.1 3区 地球科学
American Mineralogist Pub Date : 2023-09-01 DOI: 10.2138/am-2022-8923
{"title":"Concerning Tetrahedrites: How Much to Lump and How Far to Split?","authors":"","doi":"10.2138/am-2022-8923","DOIUrl":"https://doi.org/10.2138/am-2022-8923","url":null,"abstract":"","PeriodicalId":7768,"journal":{"name":"American Mineralogist","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43177624","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ilmenite phase transformations in suevite from the Ries impact structure (Germany) record evolution in pressure, temperature, and oxygen fugacity conditions 来自Ries撞击构造(德国)的钛铁矿相变记录了压力、温度和氧逸度条件下的演变
IF 3.1 3区 地球科学
American Mineralogist Pub Date : 2023-09-01 DOI: 10.2138/am-2023-8985
{"title":"Ilmenite phase transformations in suevite from the Ries impact structure (Germany) record evolution in pressure, temperature, and oxygen fugacity conditions","authors":"","doi":"10.2138/am-2023-8985","DOIUrl":"https://doi.org/10.2138/am-2023-8985","url":null,"abstract":"","PeriodicalId":7768,"journal":{"name":"American Mineralogist","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41482944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Multi-wavelength Raman spectroscopy of natural nanostructured carbons 天然纳米结构碳的多波长拉曼光谱
IF 3.1 3区 地球科学
American Mineralogist Pub Date : 2023-09-01 DOI: 10.2138/am-2022-8912
Sergey Isaenko, Tatyana Shumilova, Vladimir Bocharov, Vasily Ulyashev
{"title":"Multi-wavelength Raman spectroscopy of natural nanostructured carbons","authors":"Sergey Isaenko, Tatyana Shumilova, Vladimir Bocharov, Vasily Ulyashev","doi":"10.2138/am-2022-8912","DOIUrl":"https://doi.org/10.2138/am-2022-8912","url":null,"abstract":"9 There is an extensive range of carbon substances with poorly ordered structures that are not 10 well understood. Yet they are important as indicators of conditions of related geological 11 processes. The carbon minerals include nanocrystalline graphite, natural analogues of glass-like 12 carbon (GLC) – shungite and impact ultrahigh-pressure GLC, recently discovered 13 ultranocrystalline diamond, as well as natural carbon nanocomposites of diamond, lonsdaleite 14 and graphite. Studying these natural carbon substances using a standard Raman approach with 15 excitation by visible radiation may lead to a significant distortion of the understanding of their 16 phase states. This paper presents in detail for the first time the spectral features of natural, poorly 17 ordered and multiphase sp 2 -sp 3 carbon composites by multi–wave Raman spectroscopy using 18 laser excitations from visible to ultraviolet light applied to natural low-ordered carbon substances 19 - nanocrystalline graphite and shungite, nanocrystalline and ultranocrystalline diamond, and 20 multiphase carbon aggregates. The carbon state resolution advantages of ultraviolet Raman 21 spectroscopy for phase analysis of nanostructured and poorly ordered polycomponent carbon 22","PeriodicalId":7768,"journal":{"name":"American Mineralogist","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46966000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evolution of layering in a migmatite sample: implications for the petrogenesis of multidomain monazite and zircon 混合岩样品分层演化：对多畴独居石和锆石岩石成因的启示
IF 3.1 3区 地球科学
American Mineralogist Pub Date : 2023-09-01 DOI: 10.2138/am-2022-8679
{"title":"Evolution of layering in a migmatite sample: implications for the petrogenesis of multidomain monazite and zircon","authors":"","doi":"10.2138/am-2022-8679","DOIUrl":"https://doi.org/10.2138/am-2022-8679","url":null,"abstract":"","PeriodicalId":7768,"journal":{"name":"American Mineralogist","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42215904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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