Academic literature on the topic 'Earth lower mantle'

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Journal articles on the topic "Earth lower mantle"

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Murakami, Motohiko, Amir Khan, Paolo A. Sossi, Maxim D. Ballmer, and Pinku Saha. "The Composition of Earth's Lower Mantle." Annual Review of Earth and Planetary Sciences 52, no. 1 (2024): 605–38. http://dx.doi.org/10.1146/annurev-earth-031621-075657.

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Determining the composition of Earth's lower mantle, which constitutes almost half of its total volume, has been a central goal in the Earth sciences for more than a century given the constraints it places on Earth's origin and evolution. However, whether the major element chemistry of the lower mantle, in the form of, e.g., Mg/Si ratio, is similar to or different from the upper mantle remains debated. Here we use a multidisciplinary approach to address the question of the composition of Earth's lower mantle and, in turn, that of bulk silicate Earth (crust and mantle) by considering the eviden
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Sunil, K., and B. S. Sharma. "Thermoelastic properties of the earth lower mantle." International Journal of Modern Physics B 31, no. 14 (2017): 1750108. http://dx.doi.org/10.1142/s0217979217501089.

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For investigating the pressure dependence of thermal expansivity of materials, we have developed a formulation using the Stacey relationship between the reciprocal of pressure derivative of bulk modulus and the ratio of pressure and bulk modulus. The formulation presented here satisfies the boundary conditions both at zero pressure and also in the limit of infinite pressure at extreme compression. A physically acceptable relationship has been obtained between the volume derivative of thermal expansivity and the pressure derivatives of bulk modulus under adiabatic condition. The seismological d
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Tsuchiya, Taku, Jun Tsuchiya, Haruhiko Dekura, and Sebastian Ritterbex. "Ab Initio Study on the Lower Mantle Minerals." Annual Review of Earth and Planetary Sciences 48, no. 1 (2020): 99–119. http://dx.doi.org/10.1146/annurev-earth-071719-055139.

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Recent progress in theoretical mineral physics based on the ab initio quantum mechanical computation method has been dramatic in conjunction with the rapid advancement of computer technologies. It is now possible to predict stability, elasticity, and transport properties of complex minerals quantitatively with uncertainties that are comparable to or even smaller than those attached in experimental data. These calculations under in situ high-pressure ( P) and high-temperature conditions are of particular interest because they allow us to construct a priori mineralogical models of the deep Earth
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Bower, Dan J., Michael Gurnis, and Maria Seton. "Lower mantle structure from paleogeographically constrained dynamic Earth models." Geochemistry, Geophysics, Geosystems 14, no. 1 (2013): 44–63. http://dx.doi.org/10.1029/2012gc004267.

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Nakagawa, Takashi, and Tomoeki Nakakuki. "Dynamics in the Uppermost Lower Mantle: Insights into the Deep Mantle Water Cycle Based on the Numerical Modeling of Subducted Slabs and Global-Scale Mantle Dynamics." Annual Review of Earth and Planetary Sciences 47, no. 1 (2019): 41–66. http://dx.doi.org/10.1146/annurev-earth-053018-060305.

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In this review, we address the current status of numerical modeling of the mantle transition zone and uppermost lower mantle, focusing on the hydration mechanism in these areas. The main points are as follows: ( a) Slab stagnation and penetration may play significant roles in transporting the water in the whole mantle, and ( b) a huge amount of water could be absorbed into the deep mantle to preserve the surface seawater over the geologic timescale. However, for further understanding of water circulation in the deep planetary interior, more mineral physics investigations are required to reveal
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Zhang, Li. "Bridgmanite across the lower mantle." Nature Geoscience 15, no. 12 (2022): 964. http://dx.doi.org/10.1038/s41561-022-01099-7.

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Revenaugh, Justin, and Thomas H. Jordan. "Mantle layering fromScSreverberations: 4. The lower mantle and core-mantle boundary." Journal of Geophysical Research: Solid Earth 96, B12 (1991): 19811–24. http://dx.doi.org/10.1029/91jb02163.

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YAMAZAKI, Daisuke. "High Pressure Earth Science. Rheological Properties of the Lower Mantle." REVIEW OF HIGH PRESSURE SCIENCE AND TECHNOLOGY 9, no. 1 (1999): 19–25. http://dx.doi.org/10.4131/jshpreview.9.19.

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Bovolo, C. Isabella. "The physical and chemical composition of the lower mantle." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 363, no. 1837 (2005): 2811–36. http://dx.doi.org/10.1098/rsta.2005.1675.

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This article reviews some of the recent advances made within the field of mineral physics. In order to link the observed seismic and density structures of the lower mantle with a particular mineral composition, knowledge of the thermodynamic properties of the candidate materials is required. Determining which compositional model best matches the observed data is difficult because of the wide variety of possible mineral structures and compositions. State-of-the-art experimental and analytical techniques have pushed forward our knowledge of mineral physics, yet certain properties, such as the el
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Day, James M. D., D. Graham Pearson, and Lawrence A. Taylor. "Highly Siderophile Element Constraints on Accretion and Differentiation of the Earth-Moon System." Science 315, no. 5809 (2007): 217–19. http://dx.doi.org/10.1126/science.1133355.

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A new combined rhenium-osmium– and platinum-group element data set for basalts from the Moon establishes that the basalts have uniformly low abundances of highly siderophile elements. The data set indicates a lunar mantle with long-term, chondritic, highly siderophile element ratios, but with absolute abundances that are over 20 times lower than those in Earth's mantle. The results are consistent with silicate-metal equilibrium during a giant impact and core formation in both bodies, followed by post–core-formation late accretion that replenished their mantles with highly siderophile elements.
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Dissertations / Theses on the topic "Earth lower mantle"

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Catalli, Krystle Carina. "The effect of trivalent cations on the major lower mantle silicates." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/68885.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2011.<br>Cataloged from PDF version of thesis. Vita.<br>Includes bibliographical references (p. 151-165).<br>I have investigated the effect of composition, especially ferric iron and aluminum, on the equations of state and phase stability of perovskite and post-perovskite. The presence of trivalent cations decreases the bulk modulus of perovskite at pressures corresponding to the upper lower mantle. Ferric iron in perovskite undergoes a spin-pairing transition from the high spin state t
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Ammann, Michael W., John P. Brodholt, Andrew J. Walker, and David P. Dobson. "Absolute diffusion rates in minerals of the Earth lower mantle from first principles." Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-189835.

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Ammann, Michael W., John P. Brodholt, Andrew J. Walker, and David P. Dobson. "Absolute diffusion rates in minerals of the Earth lower mantle from first principles." Diffusion fundamentals 11 (2009) 43, S. 1-2, 2009. https://ul.qucosa.de/id/qucosa%3A13999.

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Hassler, Deborah Renee 1961. "Plume-lithosphere interaction : geochemical evidence from upper mantle and lower crustal xenoliths from the Kerguelen Islands." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/54434.

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Thesis (Ph. D.)--Joint Program in Oceanography (Massachusetts Institute of Technology, Dept. of Earth, Atmospheric and Planetary Sciences; and the Woods Hole Oceanographic Institution), 1999.<br>Includes bibliographical references.<br>This study is a geochemical investigation of the evolution of the Kerguelen plume, on the basis of upper mantle and lower crustal xenoliths. Ultramafic xenoliths include harzburgites predominant, a lherzolite, dunites and pyroxenites, whereas lower crustal xenoliths are cumulate gabbros recrystallized under granulite facies conditions. On the basis of the whole r
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Chabane, Saadi. "Quasi Harmonic approximation breakdown : consequences on the thermal transport at extreme conditions." Electronic Thesis or Diss., Sorbonne université, 2024. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2024SORUS297.pdf.

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La dynamique du réseau et les propriétés vibratoires des matériaux sont généralement bien décrites par un modèle harmonique à des températures basses et modérées, où les phonons sont supposés se comporter de manière indépendante. Toutefois, à des températures élevées, cette hypothèse ne tient plus car les interactions entre les phonons deviennent significatives. La compréhension de ces interactions anharmoniques entre les modes du réseau est cruciale tant pour la recherche fondamentale que pour les applications pratiques, car elles influencent considérablement les propriétés physiques telles q
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Lo, Nigro Giacomo. "Etude expérimentale des propriétés de fusion du manteau inférieur." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2011. http://tel.archives-ouvertes.fr/tel-00697344.

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Au cours de la dernière phase d'accrétion, les planètes terrestres ont connu des impacts géants violents et très énergétiques. A la suite du chauffage causé par les impacts, la Terre primitive était partiellement ou totalement fondue, et un océan magmatique a été formé dans la couche externe de la Terre. Le refroidissement successif de l'océan magmatique a causé la cristallisation fractionnée du manteau primitif. Cependant, il reste beaucoup d'incertitudes à propos de l'accrétion de la Terre primitive, comme la profondeur et la durée de vie d'un (ou plusieurs) océan(s) magmatique(s), l'effet d
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Bybee, Grant Michael. "High-pressure megacrysts and lower crustal contamination: probing a mantle source for Proterozoic massif-type anorthosites." Thesis, 2014.

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Many aspects of Proterozoic massif-type anorthosite petrogenesis have been, and remain, controversial. Mafic lower crust and depleted mantle have both been proposed as mutually exclusive sources of these near-monomineralic, temporally restricted batholiths. The debate surrounding the magma source has also led to uncertainty regarding the tectonic setting of these massifs, with a range of possibilities including convergent, divergent and anorogenic settings. The dramatic geochemical effects of crustal contamination in these massifs are well known and strong crustal signatures are evident in
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Books on the topic "Earth lower mantle"

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SEDI 2000 (2000 : Exeter, England), ed. Earth's core and lower mantle. Taylor & Francis, 2003.

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A, Jones Christopher, Soward A. M, and Zhang Keke, eds. Earth's core and lower mantle: Contributions from SEDI 2000, the 7th Symposium Study of the Earth's Deep Interior, Exeter, 30th July-4th August 2000. Taylor & Francis, 2003.

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1936-, Nicolas A., Vissers Reinoud Leonard Maria, and European Union of Geosciences. Meeting, eds. Mantle and lower crust exposed in oceanic ridges and in ophiolites: Contributions to a specialized symposium of the VII [sic] EUG Meeting, Strasbourg, spring 1993. Kluwer Academic Publishers, 1995.

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Jones, C. A., A. M. Soward, and K. Zhang. Earth's Core and Lower Mantle. Taylor & Francis Group, 2003.

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Jones, C. A., Andrew M. Soward, and K. Zhang. Earth's Core and Lower Mantle. Taylor & Francis Group, 2003.

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Jones, C. A., Andrew M. Soward, and K. Zhang. Earth's Core and Lower Mantle. Taylor & Francis Group, 2003.

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Jones, C. A., Andrew M. Soward, and K. Zhang. Earth's Core and Lower Mantle. Taylor & Francis Group, 2003.

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Jones, C. A., Andrew M. Soward, and K. Zhang. Earth's Core and Lower Mantle. Taylor & Francis Group, 2003.

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Kaminsky, Felix V. The Earth's Lower Mantle: Composition and Structure. Springer, 2018.

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Kaminsky, Felix V. The Earth's Lower Mantle: Composition and Structure. Springer, 2017.

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Book chapters on the topic "Earth lower mantle"

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Frost, Daniel J., and Robert Myhill. "Chemistry of the Lower Mantle." In Deep Earth. John Wiley & Sons, Inc, 2016. http://dx.doi.org/10.1002/9781118992487.ch18.

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Garnero, Edward J., Allen K. McNamara, and James A. Tyburczy. "Earth’s Lower Mantle, Structure." In Encyclopedia of Solid Earth Geophysics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-10475-7_131-1.

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Garnero, Edward J., Allen K. McNamara, and James A. Tyburczy. "Earth’s Structure, Lower Mantle." In Encyclopedia of Solid Earth Geophysics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-10475-7_131-2.

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Garnero, Edward J., Allen K. McNamara, and James A. Tyburczy. "Earth’s Structure, Lower Mantle." In Encyclopedia of Solid Earth Geophysics. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-8702-7_131.

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Garnero, Edward J., Allen K. McNamara, and James A. Tyburczy. "Earth’s Structure, Lower Mantle." In Encyclopedia of Solid Earth Geophysics. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-58631-7_131.

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Merkel, Sébastien, and Patrick Cordier. "Deformation of Core and Lower Mantle Materials." In Deep Earth. John Wiley & Sons, Inc, 2016. http://dx.doi.org/10.1002/9781118992487.ch7.

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McDonough, William F. "The Composition of the Lower Mantle and Core." In Deep Earth. John Wiley & Sons, Inc, 2016. http://dx.doi.org/10.1002/9781118992487.ch12.

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Dorfman, Susannah M. "Phase Diagrams and Thermodynamics of Lower Mantle Materials." In Deep Earth. John Wiley & Sons, Inc, 2016. http://dx.doi.org/10.1002/9781118992487.ch19.

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Wicks, June K., and Thomas S. Duffy. "Crystal Structures of Minerals in the Lower Mantle." In Deep Earth. John Wiley & Sons, Inc, 2016. http://dx.doi.org/10.1002/9781118992487.ch6.

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Hirose, Kei. "Phase Transition and Melting in the Deep Lower Mantle." In Deep Earth. John Wiley & Sons, Inc, 2016. http://dx.doi.org/10.1002/9781118992487.ch17.

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Conference papers on the topic "Earth lower mantle"

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Amini, Marghaleray, Chris Holmden, and Klaus Peter Jochum. "The Calcium Isotope Composition of the Lower Mantle and Bulk Earth." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.50.

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Libon, Lélia, Georg Spiekermann, Wolfgang Morgenroth, et al. "Carbon in the deep Earth: The fate of magnesite in the lower mantle." In Goldschmidt2021. European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.3519.

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Pausch, Tristan, Jaseem Vazhakuttiyakam, Thomas Ludwig, Anthony Withers, Jürgen Konzett, and Bastian Joachim-Mrosko. "Phosphorus in the deep Earth: An experimental investigation of Ca-phosphates at upper- to lower-mantle P-T conditions." In Goldschmidt2023. European Association of Geochemistry, 2023. http://dx.doi.org/10.7185/gold2023.19581.

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Trunilina, Vera. "RARE-EARTH MINERALIZATION IN GRANITES OF THE NORTH-EAST OF THE VERKHOYANSK-KOLYMA OROGEN." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023/1.1/s01.17.

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The results of the study of granites of the north-east of the Verkhoyansk-Kolyma orogen bearing rare-earth mineralization are summarized in the article. Ore-bearing granites are classified as A-type of postorogenic and rift-related geodynamic conditions. Three groups are identified in them, differing in the origin and scale of the associated rareearth mineralization. The most ore-bearing granites are spatially and genetically related to alkaline�ultrabasic � alkaline-basic formations and formed within a long-lived hotspot from granite melt, generated from a fenitized crustal substrate under th
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Feng, Jianyun, Ying Zhang, Jun Luo, et al. "Geological Analysis of Typical Geothermal Systems in East of China." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0167.

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ABSTRACT: Eastern China, which lies to the east of the Hu Huanyong Line that connects the Heihe and Tengchong areas, has a high population density, a developed economy, and a huge demand for energy. To determine the geothermal resources in eastern China, this study analyzed the typical geothermal systems in this region based on disciplines of structural geology, and petrology. As a result, this study determined the distribution patterns of medium and deep geothermal resources in this region. Eastern China is a superimposed region of three major global tectonic domains, namely Paleo-Asia, Circu
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Al-Busaidi, Salim, Qasim Hinaai, Rajeev Ranjan Kumar, et al. "Successful Drilling Campaign of High Angled Wells in Tight Gas Fields using 3D Geomechanical Modeling and Real-Time Monitoring." In SPE/IADC Middle East Drilling Technology Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/202123-ms.

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Abstract The field under study is witnessing an increasing trend in NPT events while drilling vertical wells through high stressed shale formations and the underlying depleted sandstone reservoir in the same section. The field has multiple sets of faults with lateral variations in stress azimuth and completion quality with the regional strike-slip regime. High angled wells are being planned to increase reservoir coverage and perform hydro fracturing. This paper provides details of capturing stress regime variation along with the effects of depletion in offset wells and identify suitable azimut
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Gupta, Abhishek, Vinnavadi C. Babu Sivakumar, Gaurav Dwivedi, and Kashish Bhardwaj. "Novel Digitalized Sand Management Strategy for Incremental Hydrocarbon Production." In ADIPEC. SPE, 2024. http://dx.doi.org/10.2118/222723-ms.

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Abstract Sand management has been a longstanding challenge in the Oil and Gas industry, exacerbating the complexities further in Mature and Marginal Clastic oil and gas fields. These fields typically exhibit significantly low productivities and thereby low recovery volumes of remaining oil and/or gas in place, thereby expensive sand control measures prove economically unviable. This underscores the imperative need for the industry to embrace digitalization and data analytics in Sand Management as a means of bolstering Net Present Value (NPV) and the field economics and reserves monetization. T
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Osik Shaydurova, Anastasiya, Emanuele Paolini, Giovanni Corinaldesi, and Pietro Bernardini. "Industrialization: D-Orbit’s experience with the AOCS Platform." In ESA 12th International Conference on Guidance Navigation and Control and 9th International Conference on Astrodynamics Tools and Techniques. ESA, 2023. http://dx.doi.org/10.5270/esa-gnc-icatt-2023-055.

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Topics: (1) Current Missions, (2) Small Satellites and Cubesat AOCS/GNC (Hardware &amp; Subsystems), (3) Space Mission AOCS/GNC Validation &amp; Verification. Abstract: In the last decade, the space business is maturing from being strongly customized for each specific mission to being more industrial, following what other more mature industrial areas have done in the past, for example automotive. On one side there is the need to reduce costs to access space, so lean philosophies are seen as a good approach; on the other side, those approaches need large numbers to be effective. Moreover, the n
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Reports on the topic "Earth lower mantle"

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Mohammadi, N., D. Corrigan, A. A. Sappin, and N. Rayner. Evidence for a Neoarchean to earliest-Paleoproterozoic mantle metasomatic event prior to formation of the Mesoproterozoic-age Strange Lake REE deposit, Newfoundland and Labrador, and Quebec, Canada. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/330866.

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A complete suite of bulk major- and trace-elements measurements combined with macroscopic/microscopic observations and mineralogy guided by scanning electron microscope-energy dispersive spectrometry (SEM-EDS) analyses were applied on Nekuashu (2.55 Ga) and Pelland (2.32 Ga) intrusions in northern Canada, near the Strange Lake rare earth elements (REE) deposit, to evaluate their magmatic evolution and possible relations to the Mesoproterozoic Strange Lake Peralkaline Complex (SLPC). These Neoarchean to earliest-Paleoproterozoic intrusions, part of the Core Zone in southeastern Churchill Provin
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