{"title":"Gamma-enhancement of reflected light images as a routine method for assessment of compositional heterogeneity in common low-reflectance Fe-bearing minerals","authors":"","doi":"10.2138/am-2023-9114","DOIUrl":"https://doi.org/10.2138/am-2023-9114","url":null,"abstract":"","PeriodicalId":7768,"journal":{"name":"American Mineralogist","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140086763","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}
We appreciate the interest from de Jong (2024, this issue) in our study on the structure of opal-A using synchrotron X-ray diffraction (XRD) and pair distribution function (PDF) analysis (Lee et al. 2022). Several comments were made by de Jong (2024) on the strengths and weaknesses of PDF analysis, the existence of 4- and 8-membered silica rings in the opal-A structure, and the usefulness of opal phase transitions as stratigraphic markers. Here, we shall address these comments in turn.X-ray PDF analysis is one of the main techniques employed in Lee et al. (2022), and it...
我们感谢 de Jong（2024 年，本期）对我们利用同步辐射 X 射线衍射 (XRD) 和配位分布函数 (PDF) 分析法（Lee 等人，2022 年）研究蛋白石-A 结构的兴趣。de Jong（2024 年）就 PDF 分析的优缺点、蛋白石-A 结构中存在的 4 元和 8 元硅环以及蛋白石相变作为地层标记的有用性发表了一些评论。X 射线 PDF 分析是 Lee 等人（2022 年）采用的主要技术之一，它...
{"title":"On “Reexamination of the structure of opal-A: A combined study of synchrotron X-ray diffraction and pair distribution function analysis”—Reply to de Jong","authors":"Seungyeol Lee, Huifang Xu, Hongwu Xu","doi":"10.2138/am-2023-9216","DOIUrl":"https://doi.org/10.2138/am-2023-9216","url":null,"abstract":"We appreciate the interest from de Jong (2024, this issue) in our study on the structure of opal-A using synchrotron X-ray diffraction (XRD) and pair distribution function (PDF) analysis (Lee et al. 2022). Several comments were made by de Jong (2024) on the strengths and weaknesses of PDF analysis, the existence of 4- and 8-membered silica rings in the opal-A structure, and the usefulness of opal phase transitions as stratigraphic markers. Here, we shall address these comments in turn.X-ray PDF analysis is one of the main techniques employed in Lee et al. (2022), and it...","PeriodicalId":7768,"journal":{"name":"American Mineralogist","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139668381","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}
{"title":"Germanium distribution in Mississippi Valley-Type systems from sulfide deposition to oxidative weathering: A perspective from Fule Pb-Zn(-Ge) deposit, South China","authors":"","doi":"10.2138/am-2023-9106","DOIUrl":"https://doi.org/10.2138/am-2023-9106","url":null,"abstract":"","PeriodicalId":7768,"journal":{"name":"American Mineralogist","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139685828","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}
{"title":"Lead and noble gas isotopic constraints on the origin of Te-bearing adularia-sericite epithermal Au-Ag deposits in a calc-alkaline magmatic arc, NE China","authors":"","doi":"10.2138/am-2022-8552","DOIUrl":"https://doi.org/10.2138/am-2022-8552","url":null,"abstract":"","PeriodicalId":7768,"journal":{"name":"American Mineralogist","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139686085","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}
The paper by Lee et al. (2022) touches on various issues of amorphous silicas. In this comment, I shall discuss them, aiming at the metric of amorphous solids in structure property relationships. These were initiated in a pioneering study in 1874 by le Bell followed by van‘t Hoff (Ramberg 2017), who showed optical activity in organic systems to be a consequence of a postulated edge or face sharing of tetrahedral carbon atoms. It was followed up by the Drude-Lorentz 1916 electron gas theory (cf. Ladd 1993) to account for transport properties of metals and, after Laue’s discovery...
Lee 等人（2022 年）的论文涉及非晶态硅的各种问题。在本评论中，我将针对非晶态固体在结构属性关系中的度量进行讨论。1874年，勒贝尔（le Bell）和范特霍夫（van't Hoff）（Ramberg，2017年）进行了一项开创性研究，他们发现有机体系中的光学活性是四面体碳原子边或面共享的假定结果。随后，德鲁德-洛伦兹（Drude-Lorentz）于 1916 年提出了电子气体理论（参见拉德，1993 年），以解释金属的传输特性。
{"title":"Comment on “Reexamination of the structure of opal-A: A combined study of synchrotron X-ray diffraction and pair distribution function analysis”—Concerning opal","authors":"B.H.W.S. de Jong","doi":"10.2138/am-2022-8863","DOIUrl":"https://doi.org/10.2138/am-2022-8863","url":null,"abstract":"The paper by Lee et al. (2022) touches on various issues of amorphous silicas. In this comment, I shall discuss them, aiming at the metric of amorphous solids in structure property relationships. These were initiated in a pioneering study in 1874 by le Bell followed by van‘t Hoff (Ramberg 2017), who showed optical activity in organic systems to be a consequence of a postulated edge or face sharing of tetrahedral carbon atoms. It was followed up by the Drude-Lorentz 1916 electron gas theory (cf. Ladd 1993) to account for transport properties of metals and, after Laue’s discovery...","PeriodicalId":7768,"journal":{"name":"American Mineralogist","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139668677","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}
{"title":"First application of scintillator-based photon-counting computed tomography to rock samples: Preliminary results and prospects","authors":"","doi":"10.2138/am-2023-9099","DOIUrl":"https://doi.org/10.2138/am-2023-9099","url":null,"abstract":"","PeriodicalId":7768,"journal":{"name":"American Mineralogist","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139684404","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}
{"title":"Calorimetry and structural analysis of uranyl sulfates with rare topologies","authors":"","doi":"10.2138/am-2023-9133","DOIUrl":"https://doi.org/10.2138/am-2023-9133","url":null,"abstract":"","PeriodicalId":7768,"journal":{"name":"American Mineralogist","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139685321","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}
E. Roda-Robles, A. Pesquera, P. Gil-Crespo, William Simmons, Karen Webber, Alexander Falster, J. Errandonea-Martin, I. Garate-Olave
Apatite is an accessory phase in all the units of the internally zoned Berry-Havey
在内部分带的贝里-海维所有单元中，磷灰石都是一种附属相。
{"title":"Apatite as an archive of pegmatite-forming processes: an example from the Berry-Havey pegmatite (Maine, USA)","authors":"E. Roda-Robles, A. Pesquera, P. Gil-Crespo, William Simmons, Karen Webber, Alexander Falster, J. Errandonea-Martin, I. Garate-Olave","doi":"10.2138/am-2023-9097","DOIUrl":"https://doi.org/10.2138/am-2023-9097","url":null,"abstract":"Apatite is an accessory phase in all the units of the internally zoned Berry-Havey","PeriodicalId":7768,"journal":{"name":"American Mineralogist","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139686917","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}
{"title":"Characteristics of congruent dissolution of silicate minerals enhanced by chelating ligand under ambient conditions","authors":"","doi":"10.2138/am-2023-9025","DOIUrl":"https://doi.org/10.2138/am-2023-9025","url":null,"abstract":"","PeriodicalId":7768,"journal":{"name":"American Mineralogist","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139685945","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}
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