搜索结果: 1-15 共查到“地质学 group”相关记录42条 . 查询时间(0.046 秒)
New Argentine fossils uncover history of celebrated conifer group（图）
New Argentine fossils uncover history celebrated conifer group
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2020/7/3
Newly unearthed, well-preserved conifer fossils from Patagonia, Argentina, show that an endangered and celebrated group of tropical West Pacific trees has roots in the ancient supercontinent that once...
Platinum-Group Elements Geochemistry and Chromian Spinel Composition in Podiform Chromitites and Associated Peridotites from the Cheshmeh-Bid Deposit, Neyriz, Southern Iran: Implications for Geotectonic Setting
Cheshmeh-Bid Chromitite trace elements platinum-group elements boninitic magma supra-subduction zone
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2018/4/10
Dunite and serpentinized harzburgite in the Cheshmeh-Bid area, northwest of the Neyriz ophiolite in Iran, host podiform chromitite that occur as schlieren-type, tabular and aligned massive lenses of v...
日本冈山大学Misasa High-Pressure Group访问中国科学院地球化学研究所（图）
日本冈山大学 Misasa High-Pressure Group 中国科学院地球化学研究所
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2015/6/25
应中国科学院地球内部物质高温高压重点实验室邀请，日本冈山大学地球内部物质科学研究所(ISEI， Okayama University)Misasa High-Pressure Group的Prof. ITOEiji等一行六人6月18日‒21日期间访问地球化学研究所，并于6月19日在地化所地球内部物质高温高压重点实验室三楼会议室做了系列学术报告，报告会由高压室的张宝华研究员和翟双猛研究员...
The standardisation of mineral group hierarchies: application to recent nomenclature proposals
mineral group supergroup nomenclature mineral classification IMA朇NMNC
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2013/12/6
A simplified definition of a mineral group is given on the basis of structural and compositional aspects. Then a hierarchical scheme for group nomenclature and mineral classification is introduced and...
Crystal chemistry and nomenclature of the lovozerite group
lovozerite group cyclosilicate combeite imandrite kapustinite, kazakovite koashvite litvinskite lovozerite tisinalitezirsinalite crystal structure nomenclature of minerals
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2013/12/6
The paper summarizes crystal朿hemical data and describes the IMA-accepted nomenclature of lovozerite-group minerals(LGM). The lovozerite group includes nine zeolite-like cyclosilicates with the general...
Recommended nomenclature of epidote-group minerals
Nomenclature, epidote-group minerals clinozoisite allanite dollaseite
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2013/12/6
Epidote-group minerals are monoclinic in symmetry and have topology consistent with space group P21/m and the general formula A2M3[T2O7][TO4](O,F)(OH,O). Zoisite is an orthorhombic polymorph of clinoz...
The arrojadite enigma: II. Compositional space, new members, and nomenclature of the group
Crystal structure arrojadite analysis chemical (mineral) new minerals arrojadite(PbFe) ?uorarrojadite-(BaFe) arrojadite-(BaFe) optical properties XRD data
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2013/12/6
A systematic chemical and structural investigation of arrojadite-group minerals has provided new data allowing us to design a consistent nomenclature scheme, approved by the IMA CNMMN (vote05-D). The ...
THE NOMENCLATURE OF EUDIALYTE-GROUP MINERALS
eudialyte eudialyte group nomenclature report Commission on New Minerals Mineral Names
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2013/12/6
This is the final report on the nomenclature of eudialyte-group minerals by the Eudialyte Nomenclature Subcommittee established by the Commission on New Minerals and Mineral Names of the International...
Re-definition, nomenclature and crystal-chemistry of the hellandite group
Re-definition nomenclature crystal-chemistry hellandite group
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2013/12/6
Detailed X-ray single-crystal structure refinements and complete (SIMS + EMPA) microprobe chemical analyses of a series of non-metamict samples of hellandite recently found in Latium (Italy),together ...
Recommended nomenclature for labuntsovite-group minerals
labuntsovite group nomenclature labuntsovite nenadkevichite korobitsynite vuoriyarvite lemmleinite kuzmenkoite organovaite paralabuntsovite, tsepinite karupm鰈lerite gutkovaite
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2013/12/6
The present report contains recommendations on the nomenclature of the labuntsovite-group (LG) minerals based on a crystal-structural classification. The labuntsovite group includes hydrous titanium a...
REDEFINITION OF A MINERAL IN THE JOAQUINITE GROUP:ORTHOJOAQUINITE-(La)
new mineral species joaquinite group orthojoaquinite-(La) Il韒aussaq Greenland
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2013/12/6
Orthojoaquinite-(La) from Il韒aussaq, Greenland, is a new member of the joaquinite group. Its description was published by Semenov et al. (1967); although the chemical analytical data indicated that La...
Geochronology and geochemistry of the Hekou Group in Sichuan Province, SW China
zircon geochronology Hekou Group Yangtze Block supercontinent Columbia
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2017/4/11
The Hekou Group, an outcrop at the west margin of the Yangtze Block, consists of volcanic and sedimentary rocks of
sodic lava, sodic pyroclastic rocks, coarse to fine-grained siliciclastic rocks and ...
African Clay and Clay Minerals Research Group publications
African Clay and Clay Minerals Research Group Geophagic clays
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2012/3/13
African Clay and Clay Minerals Research Group publications。
African Clay and Clay Minerals Research Group
African Clay and Clay Minerals Research Group Clay minerals
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2012/3/13
Research thrusts of the African Clays and Clay Minerals Research Group include the following themes;Paleoenvironments,Clay minerals geneses, Clays in medicine/pharmaceutics and geophagia and so on.
German-Austrian-Swiss Clay Group
German-Austrian-Swiss Clay Group DTTG clay science
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2012/2/15
The DTTG is a community of scientists of the german speaking countries working on the field of clay science and technology in its broadest sense (mineralogy, geology, soil science, chemistry, material...