Results 41 to 50 of about 9,924 (222)
Archaeometry, EarlyView.ABSTRACT The inland rock‐cut site of Teniky, located in the Isalo massif of southern Madagascar, represents an exceptional archaeological context recently dated to the 11th–12th centuries ad, corresponding to the early phases of settlement on the island.
Jean Rodier +2 more
wiley +1 more source
Talc‐Tempered Pottery From Bala Hissar, Kabul: An Analytical Study
Archaeometry, EarlyView.ABSTRACT Potsherds of cooking ware excavated at Bala Hissar archaeological site in Kabul were studied using X‐ray fluorescence (XRF), scanning electron microscope‐energy dispersive X‐ray spectrometry (SEM‐EDS), Raman spectroscopy, X‐ray powder diffraction (XRPD), thermogravimetric analysis (TGA) and optical microscopy.
Parviz Holakooei +4 more
wiley +1 more source
Литосфера, 2017 The article presents new isotope-geochemical data on zircon from gabbronorites of the Volkovsky massif in the Middle Urals. The massif is a complex combination of different rock associations - from ultramafic rocks to syenites and quartz diorites, whose ...
Elena V. Anikina +3 more
doaj +1 more source
U–Pb Dating of Cambrian Magmatism in the Pinerolo‐Sanfront Unit, Dora‐Maira Massif (Western Alps)
Terra Nova, EarlyView.ABSTRACT The Pinerolo‐Sanfront Unit (PSU), the structurally lowest tectonic unit of the Dora‐Maira Massif (Western Alps), has been regarded as a monocyclic unit composed of Permo‐Carboniferous sediments and Permian granitoids that were metamorphosed during the Alpine orogeny.
Francesco De Cesari +6 more
wiley +1 more source
Технічна інженеріяThe article deals with the issue of geometrization of structural elements of a gabbro deposit in order to improve the processes of its geological and economic assessment and determine the optimal directions of development.
V.G. Levytskyi +4 more
doaj +1 more source
New data on composition of intrusive rocks from Shikotan island (Lesser Kuril Chain)
Вестник Камчатской региональной ассоциации "Учебно-научный центр". Серия: Науки о Земле, 2019 The article presents new petrologic and geochemical data on gabbroids from Shikotan Island (Lesser Kuril Chain). The results were compared with co-magmatic Late Cretaceous-Paleocene volcanics from the Zelenov Formation, as well as with the rocks from the
Колосков А.В. +2 more
doaj +1 more source
Геодинамика и тектонофизика, 2020 Among the Riphean–Vendian dyke complexes of the basic composition, which intersect the Precambrian strata of the Bashkirian meganticlinorium (Southern Urals), one of the most common is the Kurgas gabbro-dolerite complex dated to the Early – Middle ...
A. O. Khotylev +4 more
doaj +1 more source
Geophysical and geomechanical characteristics of Gabbro from locality Pantelej, Macedonia [PDF]
, 2016 The paper represents the geophysical and geomechanical characteristics of gabbro from the locality Pantelej in Macedonia. This gabbro is wide spread and it intruded in Paleozoic chlorite - sericite and graphite schists.
Delipetrev, Marjan +5 more
core +1 more source
GABBROIDS OF PRE-JURASSIC BASEMENT OF ARCTIC AND THEIR SULFIDE MINERALIZATION (SYUNAY-SALIN AREA, YAMAL PENINSULA) [PDF]
Минералогия, 2019 The chemical and mineral composition of gabbroids of the pre-Jurassic basement of the Syunay-Salin area located in the Arctic part of the West Siberian megabasin on Yamal Peninsula is studied.
Yu.V. Erokhin +4 more
doaj +1 more source
Estimation of physicochemical properties and tectonic environment of gabbro masses from south of Germi city (Ardabil province) based on the chemistry of clinopyroxene crystals [PDF]
پترولوژی, 2018 The studied gabbroic rocks, trending northwest- southeast, outcropped in the south of Germi, northwest of Iran. These rocks composed of plagioclase, clinopyroxene and iddingsitic olivines.
gholamreza ahmadzadeh +1 more
doaj +1 more source