Results 41 to 50 of about 107,553 (338)
Petrology of some oceanic island basalts: PRIMELT2.XLS software for primary magma calculation [PDF]
, 2008 PRIMELT2.XLS software is introduced for calculating primary magma composition and mantle potential temperature (TP) from an observed lava composition. It is an upgrade over a previous version in that it includes garnet peridotite melting and it detects ...
Asimow, Paul D., Herzberg, C.
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Water pathways and ancient lakes: Flowing towards new models to unravel the past
The Depositional Record, EarlyView.Abstract Significant progress has been made in understanding lake basin evolution through climatic and tectonic changes using sedimentology, sequence stratigraphy, geochemistry, hydrology and watershed characteristics to interpret three main lake basin types: overfilled, balanced‐fill and underfilled, including fluvio‐lacustrine systems.
Cecilia A. Benavente +2 more
wiley +1 more source
Известия Томского политехнического университета: Инжиниринг георесурсов, 2019 The relevance of the research is caused by the necessity of working up the geology-genetic theory of hydrothermal gold deposits formation instead of the four hypotheses granitogene, basaltogene, metamorphogene, polygene excepting one another.
Igor Kucherenko
doaj +2 more sources
Geologia Croatica, 2015 The basement of the Pannonian Basin contains several fractured metamorphic hydrocarbon reservoirs that typically form structural highs between the Neogene sedimentary sub-basins.
Lászlo Molnár +2 more
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Литосфера, 2020 Research subject. The geological structure and rock composition of the Nizhne-Sinyachikhinsky plagiogranite massif, which is part of the Alapaevsk-Sukholozhsky zone, is promising for the Cu(Au,Mo)-porphyric mineralization type, were studied.
S. V. Pribavkin +2 more
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A Log‐Ratio‐Based Algorithm for Petrologic Mass‐Balance Problems and Uncertainty Assessment
Geochemistry, Geophysics, Geosystems, 2023 We provide a new algorithm for mass‐balance calculations in petrology and geochemistry based on the log‐ratio approach championed initially by John Aitchison (e.g., Aitchison, 1982, https://doi.org/10.1111/j.2517-6161.1982.tb01195.x; Aitchison, 1984 ...
Kelsey Prissel +2 more
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Northwest Africa 5790. Top Sequence of the Nakhlite Pile [PDF]
, 2010 NWA 5790 is a recently discovered nakhlite. Its mineralogy, petrology and geochemistry suggest that it is the topmost sequence of the nakhlite lava ...
Badia, D. +7 more
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Mafic alkaline metasomatism in the lithosphere underneath East Serbia: evidence from the study of xenoliths and the host alkali basalts [PDF]
, 2010 Effects of mafic alkaline metasomatism have been investigated by a combined study of the East Serbian mantle xenoliths and their host alkaline rocks.
Cvetkovic, V. +4 more
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The Depositional Record, EarlyView.The article demonstrates that brine was central for the supply of Ca and B to the studied saline lake. The ion transport occurred probably by thermal springs, while contributions from surface waters cannot be excluded. However, the saturation and syndepositional precipitation of Ca borates were initiated by an arid climate through evaporation, while ...
Nevena Andrić‐Tomašević +8 more
wiley +1 more source
Frontiers in Earth Science, 2020 The Holuhraun–Bárdarbunga (Iceland) eruption lasted approximately 6 months. Magma propagated laterally through a 40 km long dyke, while Bárdarbunga caldera was collapsing.
Luca Caricchi +6 more
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