Results 51 to 60 of about 20,638 (213)

Synthesis and crystal structure of ABW-type SrFe1.40V0.60O4

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2020
Single crystals of SrFe1.40V0.60O4, strontium tetraoxidodi[ferrate(III)/vanadate(III)], have been obtained as a side product in the course of sinter experiments aimed at the synthesis of double perovskites in the system SrO–Fe2O3–V2O5.
Thomas Gstir   +3 more
doaj   +1 more source

Materials Characterization and Technological Aspects of Hellenistic Grey Ware Lamps From Nysa‐Scythopolis (Israel): Evidence Suggesting Local Production?

open access: yesArchaeometry, EarlyView.
ABSTRACT Grey ware lamp fragments and a production waster from Tell Iẓṭabba (Israel) were analyzed to determine their manufacturing technology and provenance. These were compared with a light brown‐orange reference fabric from the same site.
Dana Ashkenazi   +3 more
wiley   +1 more source

Petrography of surface sediment samples from southeast Africa

open access: yes, 2017
Petrography of surface sediment samples from southeast ...
Cawthra, Hayley C   +19 more
core   +1 more source

PALEOZOIC INTRAPLATE MAGMATISM OF THE EAST EUROPEAN PLATFORM: COMPARATIVE ANALYSIS OF THE PRIPYAT-DNIEPER-DONETS RIFT ZONE AND THE KOLA-ARKHANGELSK PROVINCE

open access: yesГеодинамика и тектонофизика
This paper presents a comparative analysis of geochronological, geochemical, Sr-Nd isotopic data and geodynamic conditions for the Devonian magmatism of the East European Platform, using as an example the Pripyat-Dnieper-Donets rift zone in the south of ...
E. V. Yutkina   +5 more
doaj   +1 more source

THE UNIQUE Y-ZIRCON FROM THE ICHET′YU POLYMINERAL OCCURRENCE (CENTRAL TIMAN) [PDF]

open access: yesМинералогия, 2015
The morphology, composition, color CL, age, and the source of zircon of the Ichet′yu occurrence are studied. The U-Pb age of zircons from the occurrence widely varies from 2247 and 1478 Ma with a difference of 700 Ma within the Paleo-Mezoproterozoic. The
A.B. Makeev   +4 more
doaj  

Gold and other impurity elements in pyrite from the Berezovskoe deposit in the Middle Urals

open access: yesЛитосфера, 2019
Research subject. In this work, we investigated the crystals of pyrite, one of the key gold-bearing minerals, from the Berezovskoe (the Middle Urals) deposit using modern research approaches.Materials and methods.
N. V. Sidorova   +3 more
doaj   +1 more source

Technologies of Transition: Pottery Production and Specialization in Early Rome and Its Neighbors. Neutron Activation Analysis of Regional Assemblages and a Mineralogical‐Petrographic Study of Impasto Chiaro‐Sabbioso

open access: yesArchaeometry, EarlyView.
ABSTRACT The following paper investigates ceramic production and signs of specialization in Rome and the wider region during the early first millennium bce, through an archaeometric approach using Instrumental Neutron Activation Analysis (NAA), and complementary techniques.
Mattia D'Acri   +4 more
wiley   +1 more source

(Table 1) Petrography of Alborán Basin igneous rocks

open access: yes, 2008
(Table 1) Petrography of Alborán Basin igneous ...
Hauff, Folkmar   +15 more
core   +1 more source

New synthetic [LREE (LREE = La, Ce, Pr, Sm), Pb]-phosphate phases

open access: yesMineralogia, 2023
Search for inexpensive and efficient methods of critical raw materials recovery is of great importance across the world due to growing demand for green technologies.
Staszel Kacper   +7 more
doaj   +1 more source

Hidden in the Glaze: Cobalt Blue Decorations of Catalan Tin‐Glazed Ceramics From the 16th to 18th Centuries

open access: yesArchaeometry, EarlyView.
ABSTRACT This study investigates technological evolution in 16th–18th century Catalan tin glazes and cobalt blue decorations. Analysis reveals three glaze strategies, highlighting shifts in tin oxide use and cobalt pigment composition. In the 16th century, tin oxide acted as an opacifier and cobalt pigments exhibit low arsenic content with CoO/NiO and ...
Lisa Bruzzone   +3 more
wiley   +1 more source

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