Results 71 to 80 of about 5,504 (245)
Alexander von Humboldt’s ideas on volcanism and their influence on Russian scientists
HiN - Alexander von Humboldt im Netz. Internationale Zeitschrift für Humboldt-Studien, 2005 Article in English, Abstract in English.The article provides historical background for Alexander von Humboldt’s expedition into Russia in 1829. It includes information on Humboldt’s works and publications in Russia over the course of his lifetime, as ...
Alexander Zemtsov
doaj
Specific changes of the Kolka Glacier (the North Caucasus) from 2002 to 2016
Лëд и снег, 2017 The process of filling the bed with ice with steep lateral tributaries, which lost support, began almost immediately after the catastrophe on the Kolka Glacier in 2002. Currently, three streams of ice have closed in the rear zone of the circus, forming a
G. A. Nosenko +2 more
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Geological Journal, EarlyView.Coupled dissolution‐reprecipitation of early formed Cd‐, Fe‐, Ag‐ and Sb‐poor sphalerite through interaction with high‐temperature and high‐sulphur fugacity Cu‐rich fluids, responsible for the formation of the yellow ores, resulted in the formation of Cd‐, Fe‐, Ag‐ and Sb‐rich, heavily chalcopyrite‐diseased sphalerite and enrichment of critical metals ...
Manuel Nopeia +4 more
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FORMATION CONDITIONS OF AGATES [PDF]
Минералогия, 2017 Agates are formed at various temperatures, which covers a wide range from those of basaltic and andesitic melts (above 1100 °С) to several tens of centigrade, but at rather low pressures. Their formation in liquid mafic magmas is indicated by correlation
I.N. Kigai
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Multiphase Tectonic Process With Slab Dynamics in the Northern East China Sea Shelf Basin
Geological Journal, EarlyView.Megasequence 1 characterised by Palaeocene extension and differential subsidence driven by the rollback of the subducting Izanagi Plate. Megasequence 2 records a kinematic reorganisation of the East Asian margin, transition from a rifting to a compressional regime.
Juhwan Woo +3 more
wiley +1 more source
Геодинамика и тектонофизика, 2015 The article provides information about “Continental rifting, accompanying processes” Symposium dedicated to the memory of N.A. Logachev and E.E. Milanovsky, ‘Academicians of Rifting’. The symposium took place on 20–23 August 2013.
S. V. Rasskazov +3 more
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Volcanism and Volcanic Rocks in Antarctica
Antarctic Record, 1977 The distribution of volcanoes in Antarctica, especially those of the later part of Cenozoic time, has considerable bearing on any interpretations of orogenic patterns or history. The volcanic rocks vary considerably in composition throughout the Marie Byrd Land and Victoria Land, forming a large alkalic province.
openaire +1 more source
Geological Journal, EarlyView.The composition of intrusive rocks suggests that the magma was likely generated in a subduction‐related setting. The arc crustal thickness in the Phnom Sro Ngam and Halo Prospects was probably < 40 km during emplacement. Zircon U–Pb age range indicates a correlation with Loei Fold Belt magmatic activity.
Sirisokha Seang +6 more
wiley +1 more source
Геодинамика и тектонофизика, 2017 The role of rifting in the formation of the recent structure of the Mongolia-Okhotsk orogen is extremely high, but it is still underestimated with regard to flanks of the Dzhagda segment of this orogen.
G. L. Kirillova
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