云南高校图书馆联盟文献共享服务平台- METASEDIMENTS

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Preliminary Report on the Paleoproterozoic Metasediments Genesis and Features of the Banfora Belt Western Burkina Faso (West Africa Craton): 《International Journal of Geosciences》2025年第1期1-19,共19页Hermann Ilboudo Bernadin Gnamou Wilfried Antoine Bassou Toe Marc Ephrem Allialy; Metasedimentary rocks of the Banfora belt are examined for their petrography geochemistry and genesis. The main formations are pelite metapelites sandstone, and metagraywackes. The first ones show a fine interlocking ...; 关键词：METASEDIMENTS Banfora Belt Source ALTERATION Geotectonic Environment

Lower Continental Crusts Involved in the Alpine Orogeny:New Insight from the Santa Lucia Nappe Metasediments(Corsica,France): 《Acta Geologica Sinica(English Edition)》2024年第4期904-920,共17页Chiara FRASSI Maria DI ROSA Luca PANDOLFI Michele MARRONI; supported by the PRIN 2020(P.I.M.Marroni);Fondi Ateneo Grant by The University of Pisa。; In the Alpine Corsica(France),the Santa Lucia Nappe represents a peculiar unit preserving the unique relicts of Paleozoic lower to medium continental crust.It consists of composite basement affected by Permian granuli...; 关键词：blueschist-facies metamorphism P-T-d path Santa Lucia Nappe CORSICA Alpine orogeny

Geochemical Exploration of Sediments in the Toumodi Region: Origin of Metasediments, Geological Dynamics, and Perspectives for Regional Geological History: 《Open Journal of Geology》2023年第12期1255-1270,共16页N’dri Eudes Sati Tegan Alain Nicaise Kouamelan Alphonse Kouakou Yao Ouattara Gbele Ziandjêdé Hervé Siagne Koffi Aléxis N’Dri; The region of Toumodi, located in the heart of the West African Craton, is renowned for its geological complexity. This geochemical study delves into the origin of siliciclastic sediments and the geodynamic context of...; 关键词：Toumodi BIRIMIAN Siliciclastic Sediments Sediment Maturity

Tracing the Origin of Metasedimentary Rocks in the Tortiya Diamond Region (Northern Côte d’Ivoire): 《Open Journal of Geology》2023年第12期1271-1290,共20页Tessia Miryam Adingra Martial Pohn Koffi Koffi Yao Augustin Houssou Nestor Allialy Marc Ephrem Kouassi Brice Roland; Metasedimentary rocks from the Tortiya diamondiferous region (northern Côte d’Ivoire), located in the Ivorian Paleoproterozoic domain, were analyzed with the aim of identifying their different petrographic facies, co...; 关键词：PETROGRAPHY GEOCHEMISTRY METASEDIMENTS Tortiya Ivory Coast

Metasediments in the Alahina Sector and Associated Mineralization (North-Eastern Guinea): 《Open Journal of Geology》2019年第12期897-918,共22页Koffi Germain Tchokpon Christophe Kaki Glodji Luc Adissin Soulémana Yessoufou Mory Kourouma; The Alahina sector is located in the North-East of Guinea, precisely in the Siguiri volcano-sedimentary basin. It consists mainly of meta-sediments traversed by Paleoproterozoic pyroclastite, granite, monzogranite and...; 关键词：Metasediment SCHIST SERICITE CHLORITE VEIN Quartz Gold Alahina Siguiri Basin

Sao Francisco-Congo Craton break-up delimited by U-Pb-Hf isotopes and trace-elements of zircon from metasediments of the Aracuaí Belt被引量：3: 《Geoscience Frontiers》2019年第2期611-628,共18页Mathias Schannor Cristiano Lana Marco A.Fonseca; funding from CNPq(401334/2012-0-302058/2015-0-402852/2012-5);FAPEMIG(APQ03943-RPQ-0067-10-RDP00063-10)grants; Detrital zircon U-Pb geochronology combined with Hf isotopic and trace element data from metasedimentary rocks of the Aracuai Belt in southeastern Brazil provide evidence for break-up of the Congo-Sao Francisco Craton...; 关键词：Detrital zircon U-Pb geochronology Lu-Hf isotopes Trace elements Aracuaí Belt

Coesite in metasediments from the Muzhaerte valley, southwestern Tianshan被引量：4: 《Science Bulletin》2019年第2期78-80,共3页Zeng Lü Lifei Zhang Ji Yue; supported by the Chinese Major State Basic Research Program(2015CB856105);the National Natural Science Foundation of China(41520104004,41372004,and41330210); The sediments,including calcareous,siliciclastic and volcanoclastic,usually occupy>90%in volume of an accretionary complex and thus,if involved in subduction zones,their maximum return depths(i.e.,peak pressures)are f...; 关键词：UHP SOUTHWESTERN TIANSHAN COESITE in METASEDIMENTS from the Muzhaerte VALLEY

Mineragraphic Study of Manganese Ore Deposits of Kandri, Mansar, Beldongri and Satak Mines, Nagpur District (Maharashtra) Central India: 《International Journal of Geosciences》2014年第7期710-727,共18页Talat Jawed F. N. Siddiquie; In Nagpur, M.P.-Maharashtra Manganese Belt is exposed which is part of Sausar Belt. In Nagpur, four manganese mines viz Mansar, Kandri, Beldongri and Satak are selected for the ore microscopic study. These mining area...; 关键词：Sausar Belt PRECAMBRIAN METASEDIMENTS MANGANESE MINERALIZATION Central India

New detrital zircon U-Pb ages from BIF-related metasediments in the Ntem Complex (Congo craton) of southern Cameroon, West Africa被引量：6: 《Natural Science》2013年第7期835-847,共13页Nelson N. Chombong Emmanuel C. Suh Charles D. C. Ilouga; Banded Iron Formations (BIFs) were formed by contemporaneous events of active sediments supply and the venting of a hydrothermal fluid source at the Mid-Ocean-Ridge. BIFs within the Ntem Complex at the northern edge o...; 关键词：BIFs METASEDIMENTS Ntem COMPLEX SHRIMP U-PB Age DETRITAL ZIRCONS

PRESSURE SOLUTION——AN IMPORTANT DEFORMATION MECHANISM IN THE LOW-GRADE METASEDIMENTS OF WESTERN SPITSBERGEN: 《Chinese Science Bulletin》1985年第7期941-944,共4页赵中岩; Ⅰ. INTRODUCTION Pressure solution is an important deformation mechanism. It is a process of dissolution, transportation, and redeposition of soluble materials under differential pressure. Pressure solution played an ...; 关键词：DISSOLUTION FACIES quartz MINERALS rock mostly grains transportation 点云 dimensions

METASEDIMENTS