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    Academic Journals

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• Select Workshop report: Exploring deep oceanic crust off Hawai`i.

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  Workshop report: Exploring deep oceanic crust off Hawai`i.

  Authors:Susumu Umino, Gregory F. Moore, Brian Boston, Rosalind Coggon, Laura Crispini, Steven D'Hondt, et al.From:Scientific Drilling (Vol. 29) Peer-Reviewed

  Apr. 26, 2021436 words Article For more than half a century, exploring a complete sequence of the oceanic crust from the seafloor through the Mohorovicic discontinuity (Moho) and into the uppermost mantle has been one of the most challenging missions...
• Select Subducted oceanic crust as the origin of seismically slow lower-mantle structures

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  Subducted oceanic crust as the origin of seismically slow lower-mantle structures

  Authors:Timothy D. Jones, Ross R. Maguire, Peter E. van Keken, Jeroen Ritsema, and Paula KoelemeijerFrom:Progress in Earth and Planetary Science (Vol. 7, Issue 1) Peer-Reviewed

  May 21, 20209,447 words Article 1460LMantle tomography reveals the existence of two large low-shear-velocity provinces (LLSVPs) at the base of the mantle. We examine here the hypothesis that they are piles of oceanic crust that have steadily accumulated...
• Select Calcite U-Pb dating of altered ancient oceanic crust in the North Pamir, Central Asia.

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  Calcite U-Pb dating of altered ancient oceanic crust in the North Pamir, Central Asia.

  Authors:Johannes Rembe, Renjie Zhou, Edward R. Sobel, Jonas Kley, Jie Chen, Jian-Xin Zhao, et al.From:Geochronology (Vol. 4, Issue 1) Peer-Reviewed

  Apr. 21, 2022195 words Report, Author abstr... The North Pamir, part of the western syntax of the India-Asia collision zone, preserves remnants of a poorly understood Paleozoic intra-oceanic subduction zone. To constrain the age of this ancient ocean floor, we...
• Select Three-dimensional topographic relief of the oceanic crust may control the occurrence of shallow very-low-frequency earthquakes in the Nankai Trough off Kumano.

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  Three-dimensional topographic relief of the oceanic crust may control the occurrence of shallow very-low-frequency earthquakes in the Nankai Trough off Kumano.

  Authors:Kazuya Shiraishi, Yasuhiro Yamada, Masaru Nakano, Masataka Kinoshita, and Gaku KimuraFrom:Earth, Planets and Space (Vol. 72, Issue 1) Peer-Reviewed

  May 27, 20207,233 words Report 1570LTo explore a local relationship between geological structures and the occurrence of very-low-frequency earthquakes (VLFEs), a particular class of slow earthquakes with characteristic periods of 10-100 s, we investigated...
• Select GEOCHEMICAL STUDY OF THE TONGSHAN INTRUSION IN THE LOWER YANGTZE RIVER METALLOGENIC BELT, CHINA: SIGNIFICANCES OF CU-AU ORE-FORMING.

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  GEOCHEMICAL STUDY OF THE TONGSHAN INTRUSION IN THE LOWER YANGTZE RIVER METALLOGENIC BELT, CHINA: SIGNIFICANCES OF CU-AU ORE-FORMING.

  Authors:Huangling Gu, Zhen Liu, Lin Li, and Xianchao ZhaoFrom:Acta Geodynamica et Geromaterialia (Vol. 19, Issue 4) Peer-Reviewed

  Oct. 20224,750 words Report 1420LThe Tongshan intrusion is located at the Guichi ore cluster field along the Lower Yangtze River metallogenic belt (LYRB) in eastern China. Elemental data and major elements of biotite are reported for Late Mesozoic...
• Select Rapid transition from MORB-type to SSZ-type oceanic crust generation following subduction initiation: insights from the mafic dikes and metamorphic soles in the Pozanti-Karsanti ophiolite, SE Turkey.

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  Rapid transition from MORB-type to SSZ-type oceanic crust generation following subduction initiation: insights from the mafic dikes and metamorphic soles in the Pozanti-Karsanti ophiolite, SE Turkey.

  Authors:Guang-Yao Xin, Yang Chu, Ben-Xun Su, Wei Lin, Ibrahim Uysal, and Zhen-Tian FengFrom:Contributions to Mineralogy and Petrology (Vol. 176, Issue 9) Peer-Reviewed

  Sept. 202111,655 words Article 1370LThe Pozanti-Karsanti ophiolite is one of the well-preserved supra-subduction-zone oceanic lithosphere slices. It offers a unique opportunity to study oceanic crust formation, and to specify subduction initiation...
• Select Contesting the evidence for gene expression in lower oceanic crust.

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  Contesting the evidence for gene expression in lower oceanic crust.

  From:Obesity, Fitness & Wellness Week

  Apr. 25, 2020352 words Brief article 1600L2020 APR 25 (NewsRx) -- By a News Reporter-Staff News Editor at Obesity, Fitness & Wellness Week -- By a News Reporter-Staff News Editor at Obesity, Fitness & Wellness Week - According to news reporting based on a...
• Select Hemispheric Geochemical Dichotomy of the Mantle Is a Legacy of Austral Supercontinent Assembly and Onset of Deep Continental Crust Subduction.

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  Hemispheric Geochemical Dichotomy of the Mantle Is a Legacy of Austral Supercontinent Assembly and Onset of Deep Continental Crust Subduction.

  Authors:M.G. Jackson and F.A. MacdonaldFrom:AGU Advances (Vol. 3, Issue 6) Peer-Reviewed

  Dec. 202224,054 words Report 1640LAbstract: Oceanic hotspots with extreme enriched mantle radiogenic isotopic signatures—including low 143Nd/144Nd indicative of subducted continental crust—are linked to plume conduits sampling the southern hemispheric...
• Select Quantifying the buffering of oceanic oxygen isotopes at ancient midocean ridges.

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  Quantifying the buffering of oceanic oxygen isotopes at ancient midocean ridges.

  Author:Yoshiki KanzakiFrom:Solid Earth (Vol. 11, Issue 4) Peer-Reviewed

  Aug. 11, 2020279 words Brief article To quantify the intensity of oceanic oxygen isotope buffering through hydrothermal alteration of the oceanic crust, a 2D hydrothermal circulation model was coupled with a 2D reactive transport model of oxygen isotopes....
• Select The lithospheric-to-lower-mantle carbon cycle recorded in superdeep diamonds

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  The lithospheric-to-lower-mantle carbon cycle recorded in superdeep diamonds

  Authors:M. E. Regier, D. G. Pearson, T. Stachel, R. W. Luth, R. A. Stern, and J. W. HarrisFrom:Nature (Vol. 585, Issue 7824) Peer-Reviewed

  Sept. 10, 20205,696 words Report 1560LThe transport of carbon into Earth's mantle is a critical pathway in Earth's carbon cycle, affecting both the climate and the redox conditions of the surface and mantle. The largest unconstrained variables in this cycle...
• Select Pervasive fluid-rock interaction in subducted oceanic crust revealed by oxygen isotope zoning in garnet.

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  Pervasive fluid-rock interaction in subducted oceanic crust revealed by oxygen isotope zoning in garnet.

  Authors:Thomas Bovay, Daniela Rubatto, and Pierre LanariFrom:Contributions to Mineralogy and Petrology (Vol. 176, Issue 7) Peer-Reviewed

  July 202115,406 words Article 1360LDehydration reactions in the subducting slab liberate fluids causing major changes in rock density, volume and permeability. Although it is well known that the fluids can migrate and interact with the surrounding rocks,...
• Select Cumulate gabbros in the South Andaman Island ophiolite suite (India): their bearing on the tectonic setting.

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  Cumulate gabbros in the South Andaman Island ophiolite suite (India): their bearing on the tectonic setting.

  Authors:Salim Akhtar, Priyanka Negi, and Ashima SaikiaFrom:Canadian Journal of Earth Sciences (Vol. 58, Issue 11) Peer-Reviewed

  Nov. 202111,282 words Report 1330LThe Andaman ophiolite of southeastern India is located on the outer arc of the Andaman-Java subduction zone. It is represented by thrust slices formed in the Mesozoic Neo-Tethys Ocean. Lithologically, it consists of...
• Select Evidence for Granitoid Magmatism and the Composition of the Silicic Melt in the Gabbroid Assemblage of the Mid-Atlantic Ridge at 13° N: New Data on Melt Inclusions.

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  Evidence for Granitoid Magmatism and the Composition of the Silicic Melt in the Gabbroid Assemblage of the Mid-Atlantic Ridge at 13° N: New Data on Melt Inclusions.

  Authors:K. N. Sholukhov, V. Yu. Prokofiev, I. P. Solovova, A. N. Pertsev, L. Ya. Aranovich, S. E. Borisovsky, et al.From:Doklady Earth Sciences (Vol. 500, Issue 2) Peer-Reviewed

  Oct. 20212,475 words Article 1490LDespite the local occurrence of silicic magmatism during the formation of the oceanic crust, the nature of felsic granitoid veins ("oceanic plagiogranite") remains an important debatable problem of chemical...
• Select Ship-board determination of whole-rock (ultra-)trace element concentrations by laser ablation-inductively coupled plasma mass spectrometry analysis of pressed powder pellets aboard the D/V Chikyu.

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  Ship-board determination of whole-rock (ultra-)trace element concentrations by laser ablation-inductively coupled plasma mass spectrometry analysis of pressed powder pellets aboard the D/V Chikyu.

  Authors:Mathieu Rospabé, Fatma Kourim, Akihiro Tamura, Eiichi Takazawa, Manolis Giampouras, Sayantani Chatterjee, et al.From:Scientific Drilling (Vol. 30) Peer-Reviewed

  Feb. 25, 2022428 words Article The Oman Drilling Project (OmanDP), performed under the International Continental Scientific Drilling Program (ICDP), is an international scientific research project that undertook drilling at a range of sites in the...
• Select Geochemical consequences of oxygen diffusion from the oceanic crust into overlying sediments and its significance for biogeochemical cycles based on sediments of the northeast Pacific.

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  Geochemical consequences of oxygen diffusion from the oceanic crust into overlying sediments and its significance for biogeochemical cycles based on sediments of the northeast Pacific.

  Authors:Gerard J. M. Versteegh, Andrea Koschinsky, Thomas Kuhn, Inken Preuss, and Sabine KastenFrom:Biogeosciences (Vol. 18, Issue 17) Peer-Reviewed

  Sept. 13, 2021455 words Article Exchange of dissolved substances at the sediment-water interface provides an important link between the short-term and long-term geochemical cycles in the ocean. A second, as yet poorly understood sediment-water exchange...
• Select Recycling and metabolic flexibility dictate life in the lower oceanic crust.

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  Recycling and metabolic flexibility dictate life in the lower oceanic crust.

  Authors:Jiangtao Li, Paraskevi Mara, Florence Schubotz, Jason B. Sylvan, Gaëtan Burgaud, Frieder Klein, et al.From:Nature (Vol. 579, Issue 7798) Peer-Reviewed

  Mar. 202010,689 words Report 1550LThe lithified lower oceanic crust is one of Earth's last biological frontiers as it is difficult to access. It is challenging for microbiota that live in marine subsurface sediments or igneous basement to obtain...
• Select Recycled oceanic crust in the form of pyroxenite contributing to the Cenozoic continental basalts in central Asia: new perspectives from olivine chemistry and whole-rock B-Mo isotopes.

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  Recycled oceanic crust in the form of pyroxenite contributing to the Cenozoic continental basalts in central Asia: new perspectives from olivine chemistry and whole-rock B-Mo isotopes.

  Authors:Yunying Zhang, Chao Yuan, Min Sun, Ming Chen, Lubing Hong, Jie Li, et al.From:Contributions to Mineralogy and Petrology (Vol. 174, Issue 10) Peer-Reviewed

  Oct. 3, 201913,891 words Article 1560LCenozoic continental basalts are widespread in central Asia. To explore their source nature and petrogenesis, this study presents an integrated study of olivine chemistry, bulk-rock .sup.40Ar/.sup.39Ar age and...
• Select Subduction relics in the subcontinental lithospheric mantle evidence from variation in the [delta].sup.18O value of eclogite xenoliths from the Kaapvaal craton

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  Subduction relics in the subcontinental lithospheric mantle evidence from variation in the [delta].sup.18O value of eclogite xenoliths from the Kaapvaal craton

  Authors:Ioana-Bogdana Radu, Chris Harris, Bertrand N. Moine, Gelu Costin, and Jean-Yves CottinFrom:Contributions to Mineralogy and Petrology (Vol. 174, Issue 3) Peer-Reviewed

  Feb. 26, 201914,604 words Article 1440LMantle eclogites are commonly accepted as evidence for ancient altered subducted oceanic crust preserved in the subcontinental lithospheric mantle (SCLM), yet the mechanism and extent of crustal recycling in the...
• Select Petrogenesis of plagiogranites from the Troodos Ophiolite Complex, Cyprus

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  Petrogenesis of plagiogranites from the Troodos Ophiolite Complex, Cyprus

  Authors:Chris S. Marien, J. Elis Hoffmann, C.-Dieter Garbe-Schonberg, and Carsten MunkerFrom:Contributions to Mineralogy and Petrology (Vol. 174, Issue 4) Peer-Reviewed

  Apr. 29, 201916,271 words Article 1490LSmall volumes of felsic melt, commonly known as oceanic plagiogranites, appear as melt pockets or dikes within the gabbroic section and the sheeted dikes root zone of the oceanic crust. Plagiogranites from the Troodos...
• Select Workshop report on hard-rock drilling into mid-Cretaceous Pacific oceanic crust on the Hawaiian North Arch.

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  Workshop report on hard-rock drilling into mid-Cretaceous Pacific oceanic crust on the Hawaiian North Arch.

  Authors:Tomoaki Morishita, Susumu Umino, Jun-Ichi Kimura, Mikiya Yamashita, Shigeaki Ono, Katsuyoshi Michibayashi, et al.From:Scientific Drilling (Vol. 26) Peer-Reviewed

  Dec. 2, 2019323 words Brief article The architecture, formation, and modification of oceanic plates are fundamental to our understanding of key geologic processes of the Earth. Geophysical surveys were conducted around a site near the Hawaiian Islands...