{"title":"中性子回折実験で探る高温高圧下でのSiを含んだhcp鉄の水素化挙動","authors":"Yuichiro Mori, H. Kagi","doi":"10.2465/gkk.230302","DOIUrl":"https://doi.org/10.2465/gkk.230302","url":null,"abstract":"","PeriodicalId":34971,"journal":{"name":"Japanese Magazine of Mineralogical and Petrological Sciences","volume":"47 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75241400","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"分光学と地質学の融合：光を通じて視る地球内部環境","authors":"","doi":"10.2465/gkk.230110a","DOIUrl":"https://doi.org/10.2465/gkk.230110a","url":null,"abstract":"","PeriodicalId":34971,"journal":{"name":"Japanese Magazine of Mineralogical and Petrological Sciences","volume":"28 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85079932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Formation and evolution of the uppermost mantle of oceanic plate and island arc based on natural samples of ultramafic-mafic rocks","authors":"T. Morishita","doi":"10.2465/gkk.230203","DOIUrl":"https://doi.org/10.2465/gkk.230203","url":null,"abstract":"","PeriodicalId":34971,"journal":{"name":"Japanese Magazine of Mineralogical and Petrological Sciences","volume":"97 6 Pt 2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89545226","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"茨城県桜川市山ノ尾ペグマタイト産モナズ石の化学組成とU-Th-Pb化学的年代","authors":"Y. Banno","doi":"10.2465/gkk.230516","DOIUrl":"https://doi.org/10.2465/gkk.230516","url":null,"abstract":"","PeriodicalId":34971,"journal":{"name":"Japanese Magazine of Mineralogical and Petrological Sciences","volume":"110 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87728194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"2022年の地質鉱物関連英文ニュース誌の話題「鉱物資源，鉱物学展望，および地域地質」","authors":"Yuhei Takahashi","doi":"10.2465/gkk.230208","DOIUrl":"https://doi.org/10.2465/gkk.230208","url":null,"abstract":"","PeriodicalId":34971,"journal":{"name":"Japanese Magazine of Mineralogical and Petrological Sciences","volume":"16 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80124859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"徹底的な野外調査に基づく小規模深成岩体のマグマ進化および岩体成長プロセス解析","authors":"K. Eshima","doi":"10.2465/gkk.221029","DOIUrl":"https://doi.org/10.2465/gkk.221029","url":null,"abstract":"","PeriodicalId":34971,"journal":{"name":"Japanese Magazine of Mineralogical and Petrological Sciences","volume":"7 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80055088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"マグマレオロジーの分子スケールでの理解：時分割放射光X線回折・散乱実験からのアプローチ","authors":"Satoshi Okumura","doi":"10.2465/gkk.230724","DOIUrl":"https://doi.org/10.2465/gkk.230724","url":null,"abstract":"","PeriodicalId":34971,"journal":{"name":"Japanese Magazine of Mineralogical and Petrological Sciences","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73265262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Akimotoite (IMA1997-044), (Mg,Fe)SiO3, a new silicate mineral of the ilmenite group, has been discovered in the shocked Tenham chondritic meteorite. It occurs as aggregates adjacent to clinoenstatite in host-rock fragments trapped into shock-induced melt veins. Chemical analysis gives the simplified formula to be (Mg0.79Fe0.21)SiO3, the same as for clinoenstatite. Selected-area electron diffraction (SAED) patterns correspond to the synthetic (Mg,Fe)SiO3 ilmenite phase with the space group R3. The lattice parameters estimated from the SAED patterns are a = 0.478(5) nm, c = 1.36(1) nm in the hexagonal setting. The calculated density is 4.0(1) g/cm3. In a shock-induced melt vein, akimotoite and clinoenstatite are intergrown with a topotaxial relationship in which close-packed oxygen layers of both phases are preserved. This occurrence suggests that the enstatite-akimotoite transition was caused by a shear transformation mechanism without long-range atomic diffusion.
在震裂的特纳姆球粒陨石中发现了钛铁矿群中一种新的硅酸盐矿物(IMA1997-044)， (Mg,Fe)SiO3。它以与斜辉石相邻的聚集体形式出现在被困在冲击诱发的熔体脉中的寄主岩石碎片中。化学分析得到简化公式为(Mg0.79Fe0.21)SiO3，与斜辉辉石相同。选择区电子衍射(SAED)图对应于具有空间基团R3的合成(Mg,Fe)SiO3钛铁矿相。根据SAED模式估计的晶格参数在六边形设置下为a = 0.478(5) nm, c = 1.36(1) nm。计算密度为4.0(1)g/cm3。在激波诱发的熔体脉中，钾辉石和斜辉石以一种拓扑关系共生生长，其中两相的氧层紧密堆积。这表明顽辉石-钾辉石的转变是由剪切转变机制引起的，没有远距离原子扩散。
{"title":"Akimotoite, a new mineral discovered in a shocked meteorite","authors":"Naotaka TOMIOKA","doi":"10.2465/gkk.231002","DOIUrl":"https://doi.org/10.2465/gkk.231002","url":null,"abstract":"Akimotoite (IMA1997-044), (Mg,Fe)SiO3, a new silicate mineral of the ilmenite group, has been discovered in the shocked Tenham chondritic meteorite. It occurs as aggregates adjacent to clinoenstatite in host-rock fragments trapped into shock-induced melt veins. Chemical analysis gives the simplified formula to be (Mg0.79Fe0.21)SiO3, the same as for clinoenstatite. Selected-area electron diffraction (SAED) patterns correspond to the synthetic (Mg,Fe)SiO3 ilmenite phase with the space group R3. The lattice parameters estimated from the SAED patterns are a = 0.478(5) nm, c = 1.36(1) nm in the hexagonal setting. The calculated density is 4.0(1) g/cm3. In a shock-induced melt vein, akimotoite and clinoenstatite are intergrown with a topotaxial relationship in which close-packed oxygen layers of both phases are preserved. This occurrence suggests that the enstatite-akimotoite transition was caused by a shear transformation mechanism without long-range atomic diffusion.","PeriodicalId":34971,"journal":{"name":"Japanese Magazine of Mineralogical and Petrological Sciences","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136367760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Terminology of “potassium feldspar” and “alkali feldspar”","authors":"Satoshi Nakano, S. Okamura, J. Akai","doi":"10.2465/gkk.221005","DOIUrl":"https://doi.org/10.2465/gkk.221005","url":null,"abstract":"","PeriodicalId":34971,"journal":{"name":"Japanese Magazine of Mineralogical and Petrological Sciences","volume":"20 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83156606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"日本新産鉱物情報（2022年）","authors":"Satoshi MATSUBARA","doi":"10.2465/gkk.231004","DOIUrl":"https://doi.org/10.2465/gkk.231004","url":null,"abstract":"日本新産鉱物情報（2021年）以降，2022年12月末までに確認された日本産新鉱物および新産鉱物，その他について紹介する．太字は少なくとも化学的，結晶学的性質が明らかにされたもので，信頼度が高い．","PeriodicalId":34971,"journal":{"name":"Japanese Magazine of Mineralogical and Petrological Sciences","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135057338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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