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Iron valence systematics in clinopyroxene crystals from ocean island basalts
The valence state of Fe plays a vital role in setting and recording the oxidation state of magmas, commonly expressed in terms of oxygen fugacity (
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Systematics of REE, Sc, Cr, Zr, and Th in Surface Bottom Sediments of the Nordic Seas
AbstractThe systematics of REE, Sc, Cr, Zr, and Th in silty-pelitic and pelitic surface bottom sediments sampled during cruises 71, 75, 77, and 80 of...
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Volatile systematics in terrestrial igneous apatite: from microanalysis to decoding magmatic processes
Apatite has been recognized as a robust tool for the study of magmatic volatiles in terrestrial and extraterrestrial systems due to its ability to...
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On the History of Systematics and the Evolution of the Brachiopod Order Spiriferida from the Carboniferous of Eastern Europe
Abstract—This work presents a revision of the history of the systematics of the order Spiriferida. Main directions of evolution of the major groups...
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He–Ne–Ar–N2–CO2 Systematics of Fernando de Noronha Mantle Xenoliths: Confirmation of Mantle Plume Origin
AbstractThe Fernando de Noronha archipelago (southwest Atlantic, 345 km from the coast of Brazil) is considered as the result of mantle plume...
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Isotopic (Sm–Nd) and Geochemical (Nb/Y–Zr/Y) Systematics of the Sikhote-Alin Basic-Hyperbasic Complexes
Abstract —The paper demonstrates the possibility of application of the 143 Nd/ 144 Nd–Sm/Nd and Nb/Y–Zr/Y diagrams to systematics of basic–ultrabasic...
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Permosialidae (Insecta: Palaeomanteida): Composition, Systematics and Relationships
AbstractThe composition of the order Miomoptera is considered at the family level, and the system of the family Permosialidae is revised. Keys are...
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Sr, Nd, Pb, and Os Isotope Systematics and Derivation of Mesozoic Plume-Related Basalts of Antarctica: Karoo-Maud and Kerguelen Plume Realm
Abstract—The study of Re–Os isotopic systematics of the Mesozoic magmas in East Antarctica and its comparison with Sr–Nd–Pb–Os published data allowed...
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Bulk geochemistry, Rb–Sr, Sm–Nd, and stable O–H isotope systematics of the Metzimevin high-grade iron ore deposit, Mbalam iron ore district, southern Cameroon
Bulk geochemistry, Sr, Nd, and O–H isotope systematics are reported for the first time on banded iron formation (BIF)-hosted high-grade iron ore at...
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Zirconium/hafnium fractionation and rare earth element systematics in sub-cratonic garnet pyroxenites, Norway
Ten previously studied garnet pyroxenites and one eclogite from orogenic peridotites in the Western Gneiss Region of Norway were analysed for...
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Lower crustal assimilation revealed by sulfur isotope systematics of the Bear Valley Intrusive Suite, southern Sierra Nevada Batholith, California, USA
The origin of the wide range of sulfur isotope compositions (i.e., δ 34 S) measured in arc rocks remains debated. While the observed δ 34 S variability...
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Silver isotope analysis and systematics of native gold from the Rajapalot Co-enriched gold deposit, Finnish Lapland
Silver is probably the closest isotopic proxy to track monoisotopic gold and has been shown to have great potential to yield new information on the...
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Platinum–Rhenium–Osmium Isotope Systematics of Chromitites and Native Osmium of the Guli Massif, Maimecha–Kotui Province, Russia
AbstractTo gain insight into the source of ore material, this study presents new Re–Os and Pt–Os isotopic and highly siderophile element (HSE: Os,...
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Revisiting the Mg isotopic systematics of siliciclastic components of sediments and sedimentary rocks: A new geochemical proxy of continental weathering in Earth’s history
The Mg isotopic compositions of siliciclastic components ( δ 26 Mg sili ) of sediments and sedimentary rocks have been commonly used to constrain the...
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Sub-arc mantle enrichment in the Sunda rear-arc inferred from HFSE systematics in high-K lavas from Java
Many terrestrial silicate reservoirs display a characteristic depletion in Nb, which has been explained in some studies by the presence of reservoirs...
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N–Ar–He–CO2 Systematics Combined with H2O, Cl, K Abundances in MORB Glasses Demonstrate Interaction of Magmatic and Hydrothermal Systems: a Case for MAR at 16°07′–17°11′ N
AbstractHere we present data on nitrogen and argon isotopic compositions and He–Ar–N–C(CO 2 ) elemental ratios obtained during stepwise crushing of...
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Re-Os Isotope and HSE Abundance Systematics of the 2.9 Ga Komatiites and Basalts from the Sumozero-Kenozero Greenstone Belt, SE Fennoscandian Shield: Implications for the Mixing Rates of the Mantle
AbstractRhenium-Os isotope and highly siderophile element (HSE, including Re, Os, Ir, Ru, Pt, and Pd) abundance systematics of Archean komatiites can...
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Quartz Diorites of the Volkovsky Ore-Bearing Massif (Middle Urals, Russia): U–Pb Age, Nd–Sr–Pb Isotope Systematics, Geochemical Features, Petrogenetic, and Geodynamic Consequences
The paper reports the results of U–Pb dating, Nd–Sr–Pb isotope systematics, and geochemical study of quartz diorites associated with ore-bearing...
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Titanosauria: A Critical Reappraisal of Its Systematics and the Relevance of the South American Record
Our understanding of sauropodomorph evolution is continually improved with the recognition of new species and their inclusion in phylogenetic data...
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Age of Uranium Mineralisation from North Delhi Fold Belt (NDFB): Evidences from U-Pb, Pb-Pb and Sm-Nd Systematics
Results of multi-method geochronological study (U-Pb, Pb-Pb and Sm-Nd), on uranium mineralized rocks along the albitite line in the North Delhi Fold...