Results 21 to 30 of about 1,741 (196)
Frontiers in Earth Science, 2022 Since the early Cenozoic, the closure of the Alpine Tethys in the Western Mediterranean has been accomplished by protracted subduction, followed by collision and orogenic collapse.
Eirini M. Poulaki, Daniel F. Stockli
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The model of the Bodaibo graben formation: geological and geophysical aspects
Известия высших учебных заведений: Геология и разведка, 2019 The problem of the Bodaibo graben formation has been considered within the framework of the proposed tectonic scheme of the Baikal-Patom fold belt crystalline basement — the Paleoproterozoic Baikal-Viluisk granulite-gneiss belt, which divides the ...
G. A. Stogny, V. V. Stogny
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Геофизический журнал, 2019 Results of experimental observations of low-frequency natural alternating electromagnetic field of the Earth of external ionospheric-magnetospheric origin, conducted in 2017 – 2018 in the territory of the Yatran block of the Golovaniv suture zone of the
A. M. Kushnir +4 more
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Geosciences, 2021 Hydrogeochemical characterization and statistical methods were used to investigate the groundwater quality and the origin of constituents (anthropic or natural) in groundwater of the Coreca area (Calabria, South Italy).
Giovanni Vespasiano +2 more
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Post-depositional tectonic modifications of VMS deposits in Iberia and its economic significance [PDF]
, 2011 The original stratigraphic relationships and structure of VMS deposits are commonly obscured by deformation. This can also affect their economic significance, as shown by several Iberian Pyrite Belt (IPB, SW Iberia) examples.
Castroviejo Bolibar, Ricardo +2 more
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Geothermal Energy, 2021 The 3.1- and 3.7-km-deep FFC-1 and DGE-1 geothermal explorations wells drilled into the Precambrian crystalline basement on the southern margin of the Fennoscandian Shield are evaluated regarding experiences from drilling, geological conditions, and ...
Jan-Erik Rosberg, Mikael Erlström
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Diamond formation in the deep mantle: the record of mineral inclusions and their distribution in relation to mantle dehydration zones [PDF]
, 2010 Studies of the inclusions contained in natural diamonds have shown the occurrence of minerals which must have formed at depths below the lithosphere and which may be closely matched with the silicate mineral assemblages determined by high pressure and ...
B. Harte +26 more
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Sampling and analysis of chemical element concentration distribution in rock units and orebodies [PDF]
Nonlinear Processes in Geophysics, 2012 Existing sampling techniques applied within known orebodies, such as sampling along mining drifts, yield element concentration values for larger blocks of ore if they are extended into their surroundings.
F. P. Agterberg
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Prehistoric quarrying in the Jizerské hory mountains
Archeologia PolskiIn the 20 years since the important discovery of metabasite quarrying in the Jizerské hory Mountains (northern Bohemia, Czech Republic) a wealth of knowledge has been gathered on this raw material used to make Neolithic polished stone tools. A synthesis
Pavel Burgert +4 more
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Palaeolimnology of Lake Sapanca and identification of historic earthquake signals, Northern Anatolian Fault Zone (Turkey) [PDF]
, 2009 Lake Sapanca is located on a strand of the Northern Anatolian Fault Zone (NAFZ, Turkey), where a series of strong earthquakes (Ms >6.0) have occurred over the past hundred years. Identifying prehistoric earthquakes in and around Lake Sapanca is key to a
Bertrand, S +6 more
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