標(biāo)題: Titlebook: Dyke Swarms of the World: A Modern Perspective; Rajesh K. Srivastava,Richard E. Ernst,Peng Peng Book 2019 Springer Nature Singapore Pte Lt [打印本頁] 作者: Assert 時間: 2025-3-21 17:01
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作者: 步履蹣跚 時間: 2025-3-21 22:49 作者: 技術(shù) 時間: 2025-3-22 03:33
Springer Geologyhttp://image.papertrans.cn/e/image/283495.jpg作者: Substance 時間: 2025-3-22 05:18 作者: macular-edema 時間: 2025-3-22 10:57 作者: Debark 時間: 2025-3-22 14:44 作者: Debark 時間: 2025-3-22 20:48
Andreas Flitner,Christian Petry,Ingo Richterochemical character and geological settings, in order to arrive at an integrated tectonic interpretation. The information together with the characteristics of coeval volcanic-plutonic suites indicates a cyclicity of the mafic-felsic activity through time and space. At least four LIP/SLIP events are 作者: Minuet 時間: 2025-3-22 23:24 作者: 熱情贊揚(yáng) 時間: 2025-3-23 04:07
Jürgen O?enbrügge,Susanne Heeg,Britta Klaggehigh precision U–Pb TIMS method on baddeleyite. Some of the individual dykes reach over 300?km in length and they are considered parts of much larger systems of mafic dyke swarms representing the plumbing systems for large igneous provinces (LIPs). The new U–Pb ages obtained for the investigated swa作者: 單色 時間: 2025-3-23 08:04
Jürgen O?enbrügge,Susanne Heeg,Britta Klaggecks and successive magma intrusions originating at depth. Dyke swarms indicate regional crustal deformation related to continental formation and evolution, and play the role of messenger regarding magma activities from the deeper crust or even mantle. The large number of mafic dykes in Central Asia 作者: infinite 時間: 2025-3-23 11:29
Wachsende Stadt — Nachhaltige Stadtc (ranging in age from ~2.80 to ~1.10?Ga) mafic dyke swarms and associated magmatic units of the different Archean cratons of the Indian shield which represent the plumbing system of Large Igneous Provinces (LIPs). The spatial and temporal distributions together with the trends of the dyke swarms pr作者: candle 時間: 2025-3-23 14:07 作者: 浪費(fèi)物質(zhì) 時間: 2025-3-23 18:53
Wachsende Stadt — Nachhaltige Stadtl Pradesh, NE India. They occur as sills and dykes within Paleoproterozoic Bomdila and Rupa Group of rocks and are metamorphosed to amphibolite grade metamorphism. Hornblende and plagioclase are the dominating minerals with minor constituents of Fe-oxides, quartz, biotite and apatite in these rocks.作者: NAVEN 時間: 2025-3-24 00:19
Wachsende Stadt — Nachhaltige Stadtd survey, the dykes are gabrroic to gabbro-norite rocks in composition, and followed by granites dykes with low abundances and they have intruded in the granitoid rocks. The most abundance dykes are diorites (monzodioritic and quartz-monzodioritic rocks). They consist of plagioclase (An.), pyroxene 作者: 劇毒 時間: 2025-3-24 06:21 作者: 注意力集中 時間: 2025-3-24 08:12 作者: 馬具 時間: 2025-3-24 11:59
Springer Nature Singapore Pte Ltd. 2019作者: Grievance 時間: 2025-3-24 16:35
2197-9545 (iv) geochronology of dyke swarms, (v) petrology, geochemistry and petrogenesis of dykes, (vi) emplacement mechanism of dykes, (vii) dyke swarms and planetary bodies, and (viii) links to mineralization and resources..978-981-13-1666-1Series ISSN 2197-9545 Series E-ISSN 2197-9553 作者: 拘留 時間: 2025-3-24 20:04 作者: 后退 時間: 2025-3-25 01:02 作者: overreach 時間: 2025-3-25 05:03 作者: 奴才 時間: 2025-3-25 08:22
Andreas Flitner,Christian Petry,Ingo Richters with synchronous lithosphere extension during the two time periods. The Avanavero (1.79?Ga) LIP event mostly consists of mafic dykes and sills which are intrusive into the Roraima platform cover, in the Guiana Shield. They show tholeiitic chemistry and similarities with E-MORB and subcontinental l作者: Panther 時間: 2025-3-25 12:16 作者: apiary 時間: 2025-3-25 18:12
Jürgen O?enbrügge,Susanne Heeg,Britta Klagge sills in the Taoudeni basin. The last ones are related to the Central Atlantic Magmatic Province (CAMP) event. The Hounde swarm is oblique to the dominant radiating CAMP swarm and may be linked with the similar-trending elongate Kakoulima intrusion?in Guinea. In addition, the N150° K?yser swarm (Am作者: 低三下四之人 時間: 2025-3-25 23:49
Jürgen O?enbrügge,Susanne Heeg,Britta Klaggesia, and is intended to provide basic preparation for more in-depth studies in the future. In Enhanced Thematic Mapper Plus (bands 7, 4, and 2) images, major mafic dykes (greater than 5?m wide) displayed as dark-colored linear objects against their host rocks, and can be distinguished and plotted on作者: FIN 時間: 2025-3-26 03:29
Wachsende Stadt — Nachhaltige Stadtn shield and their matches with coeval LIPs on other crustal blocks suggest connections of the Indian shield within known supercontinents, such as Kenorland/Superia (~2.75–2.07?Ga), Columbia/Nuna (1.90–1.38?Ga), and Rodinia (1.20–0.72?Ga). However, further detailed U–Pb geochronology and associated 作者: cacophony 時間: 2025-3-26 06:24 作者: ectropion 時間: 2025-3-26 11:47 作者: 吞下 時間: 2025-3-26 15:31 作者: 軌道 時間: 2025-3-26 20:09
The Precambrian Mafic Magmatic Record, Including Large Igneous Provinces of the Kalahari Craton and作者: figment 時間: 2025-3-27 00:57
Giant Circumferential Dyke Swarms: Catalogue and Characteristics,largest giant circumferential swarms have diameters comparable to the diameters postulated for the flattened heads of plumes that have risen from the core-mantle boundary, suggesting that they may be associated with the outer edge of a flattening or flattened mantle plume head. Smaller giant circumf作者: Graphite 時間: 2025-3-27 04:09 作者: 大猩猩 時間: 2025-3-27 08:36 作者: 桉樹 時間: 2025-3-27 13:31
Intraplate Proterozoic Magmatism in the Amazonian Craton Reviewed: Geochronology, Crustal Tectonicss with synchronous lithosphere extension during the two time periods. The Avanavero (1.79?Ga) LIP event mostly consists of mafic dykes and sills which are intrusive into the Roraima platform cover, in the Guiana Shield. They show tholeiitic chemistry and similarities with E-MORB and subcontinental l作者: 催眠 時間: 2025-3-27 13:52
Constraining the Chronology of the Mashishing Dykes from the Eastern Kaapvaal Craton in South Africhibole .Ar/.Ar plateau results, indicates that these four dykes predates the?~2.05?Ga Bushveld event. The six remaining dykes have similar chemistry to either the?~2.06?Ga Dullstroom Lavas (LDG), the 1.875–1.835?Ga Black Hills dyke swarm (LDH) or the?~1.11?Ga Umkondo dolerites (LDA, LDD, LDE and LDF作者: 純樸 時間: 2025-3-27 19:37
,New U–Pb Baddeleyite Ages of Mafic Dyke Swarms of the West African and Amazonian Cratons: Implicati sills in the Taoudeni basin. The last ones are related to the Central Atlantic Magmatic Province (CAMP) event. The Hounde swarm is oblique to the dominant radiating CAMP swarm and may be linked with the similar-trending elongate Kakoulima intrusion?in Guinea. In addition, the N150° K?yser swarm (Am作者: 天賦 時間: 2025-3-28 00:53
Spatial and Temporal Distribution Patterns of Mafic Dyke Swarms in Central Asia: Results from Remotsia, and is intended to provide basic preparation for more in-depth studies in the future. In Enhanced Thematic Mapper Plus (bands 7, 4, and 2) images, major mafic dykes (greater than 5?m wide) displayed as dark-colored linear objects against their host rocks, and can be distinguished and plotted on作者: Needlework 時間: 2025-3-28 03:31
,Neoarchean-Mesoproterozoic Mafic Dyke Swarms of the Indian Shield Mapped Using Google Earth? Imagesn shield and their matches with coeval LIPs on other crustal blocks suggest connections of the Indian shield within known supercontinents, such as Kenorland/Superia (~2.75–2.07?Ga), Columbia/Nuna (1.90–1.38?Ga), and Rodinia (1.20–0.72?Ga). However, further detailed U–Pb geochronology and associated 作者: Kernel 時間: 2025-3-28 08:33 作者: Neutral-Spine 時間: 2025-3-28 13:15
Geochemistry, Petrogenesis and Tectonic Significance of the Proterozoic Mafic Dykes from the Bomdil0.15–16.42) ratios indicate that these rocks were probably derived from an enriched lithospheric mantle source due to varying degrees of partial melting and subsequently the melt was modified by fractional crystallization of olivine, pyroxene and plagioclase rather than crustal contamination. Origin作者: forecast 時間: 2025-3-28 16:45
Petrology and Tectonic Setting of Dyke Swarms Emplaced in the Upper Jurassic Qorveh Granitoid Complre Mg-hornblende and annite, in composition, respectively. The mafic rocks have tholeiitic-calc-alkaline affinity. Spider diagrams imply enrichment in LILE (such as Cs, Rb, U and Pb), depletion in HFSE (Nb and Ba) and high LILE/HFSE ratio. The enrichment in LILE and Pb suggest the crustal contaminat作者: Osteons 時間: 2025-3-28 22:08 作者: corpuscle 時間: 2025-3-29 02:42 作者: 不斷的變動 時間: 2025-3-29 06:42 作者: Hemodialysis 時間: 2025-3-29 10:35
Intraplate Proterozoic Magmatism in the Amazonian Craton Reviewed: Geochronology, Crustal Tectonicsochemical character and geological settings, in order to arrive at an integrated tectonic interpretation. The information together with the characteristics of coeval volcanic-plutonic suites indicates a cyclicity of the mafic-felsic activity through time and space. At least four LIP/SLIP events are 作者: 熱情的我 時間: 2025-3-29 14:30
Constraining the Chronology of the Mashishing Dykes from the Eastern Kaapvaal Craton in South Africe previously considered to be coeval and regarded as the extension of the 1.875–1.835?Ga Black Hills dyke swarm into the sedimentary rocks of the Pretoria Group. Thin sections exhibit well-preserved igneous textures, with primary minerals (e.g., hornblende, clinopyroxene, plagioclase) extensively al作者: prodrome 時間: 2025-3-29 17:47 作者: 壁畫 時間: 2025-3-29 23:25
Spatial and Temporal Distribution Patterns of Mafic Dyke Swarms in Central Asia: Results from Remotcks and successive magma intrusions originating at depth. Dyke swarms indicate regional crustal deformation related to continental formation and evolution, and play the role of messenger regarding magma activities from the deeper crust or even mantle. The large number of mafic dykes in Central Asia 作者: CALL 時間: 2025-3-29 23:55 作者: 我正派 時間: 2025-3-30 06:30
Petrology and Mineral Chemistry of a Porphyritic Mafic Dyke, Jonnagiri Schist Belt, Eastern Dharwart belt, eastern Dharwar craton, India. The undeformed porphyritic dyke is characterised by the presence of euhedral plagioclase megacrysts (0.5–3.5?cm) exhibiting primary magmatic alignment. At places, partial resorption is noticed in the plagioclase phenocrysts indicating crystal-melt interaction. 作者: FILLY 時間: 2025-3-30 12:09
