Results 21 to 30 of about 5,062,375 (72)

U-PB-ВОЗРАСТ И ГЕОХИМИЯ ВКЛЮЧЕНИЯ ЦИРКОНА В САПФИРЕ: ЩЁЛОЧНОБАЗАЛЬТОВЫЙ ИСТОЧНИК ЮВЕЛИРНЫХ КАМНЕЙ В РОССЫПЯХ ПРИМОРЬЯ, "Доклады Академии наук"

open access: yes, 2017
Приведены первые результаты U-Pb-SHRIMP-датирования включений циркона в сапфире из Незаметнинской россыпи на севере Приморья. Полученный возраст парагенезиса этих минералов (12,2 ± 0,2 млн лет) практически совпадает с возрастом излияния щелочных ...
М. Кобл   +3 more
core   +1 more source

U‐PB LA‐ICP‐MS ДАТИРОВАНИЕ ЦИРКОНОВ ИЗ СУБВУЛКАНИТОВ БИМОДАЛЬНОЙ ДАЙКОВОЙ СЕРИИ ЗАПАДНОГО ЗАБАЙКАЛЬЯ: МЕТОДИКА, СВИДЕТЕЛЬСТВА ПОЗДНЕПАЛЕОЗОЙСКОГО РАСТЯЖЕНИЯ ЗЕМНОЙ КОРЫ [PDF]

open access: yes, 2017
Our study investigates a possibility of using isotope ratios of U‐Th‐Pb system in zircon analysis by the LA‐ICP‐MS technique and monitoring of precision, convergence and accuracy. New U‐Pb isotope‐geochronological data has been obtained for the salic and
Т. Т. Врублевская   +5 more
core   +1 more source

The nature of zircon in the Volkovsky massif gabbro (Middle Urals): the age problem and geochronological consequences

open access: yesЛитосфера, 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

Income inequalities in longevity among Spanish retirement pensioners aged 65+: A comprehensive analysis from 2008 to 2021

open access: yesInternational Social Security Review, Volume 78, Issue 4, Page 53-78, October/December 2025.
Abstract This paper examines disparities in longevity among Spanish retirement pensioners aged 65+, focusing on pension income and gender between 2008 and 2021. Using linked administrative records, we estimate life expectancy and complementary indicators (median, modal age at death, interquartile range).
Carlos Vidal‐Meliá   +2 more
wiley   +1 more source

ОСОБЕННОСТИ ВЕЩЕСТВЕННОГО СОСТАВА И ВОЗРАСТ ЩЕЛОЧНЫХ ГРАНИТОВ ИНГУРСКОГО МАССИВА, ЗАПАДНОЕ ЗАБАЙКАЛЬЕ [PDF]

open access: yes, 2022
The Ingur alkaline granite massif and the associated Zr-Nb occurrence make up part of the largest Mongolian-Trans-Baikal alkaline granitoid provinces. The massif is composed of arfvedsonite, biotite, and alaskite granites. High content of HREE determines
I. A. Izbrodin   +5 more
core   +1 more source

Financial retirement planning processes in the Netherlands: How do they differ between employees and solo self‐employed workers?

open access: yesInternational Social Security Review, Volume 78, Issue 4, Page 3-30, October/December 2025.
Abstract The solo self‐employed workforce is growing across Europe, a group which often faces greater individual responsibility for retirement preparation than employees. Using a situational strength framework, this study investigates psychological mechanisms behind retirement planning among employees and three types of solo self‐employed workers ...
Camilla Marabini   +2 more
wiley   +1 more source

A case for rethinking the gender targeting of child cash transfers in Brazil and South Africa: Assessing caregiver sex in determining stunting in child beneficiaries

open access: yesInternational Social Security Review, Volume 77, Issue 4, Page 49-77, October/December 2024.
Abstract Little is known about the effects of the receipt of child‐centred cash transfers by men. This article tests whether caregiver sex matters in determining stunting (low height for age) in child beneficiaries of Brazil's Bolsa Família and South Africa's Child Support Grant using household survey data.
Zoheb Khan, Leila Patel
wiley   +1 more source

ARCHEAN ZOISITITES OF THE GRIDINO ECLOGITEBEARING MELANGE, BELOMORIAN PROVINCE OF THE FENNOSCANDIAN SHIELD: GEOLOGY, UPB ZIRCON AGES AND GEODYNAMIC SETTING

open access: yesTransactions of the Karelian Research Centre of the Russian Academy of Sciences, 2015
The new results of the isotope UPb dating of zircons from zoisitites, which are the isofacies accessories of the eclogites in the Gridino eclogitebearing melange of the Belomorian mobile belt, Fennoscandian Shield, are reported.
Александр Иванович Слабунов   +7 more
doaj   +1 more source

Gender gaps in perceptions of social protection: Insights from the OECD Risks that Matter Survey

open access: yesInternational Social Security Review, Volume 77, Issue 4, Page 23-48, October/December 2024.
Abstract Reflecting their weaker labour force attachment and lower earnings, women consistently report feeling greater economic insecurity than men across the Member countries of the Organisation for Economic Co‐operation and Development (OECD). Similar gender gaps emerge in perceptions of social protection systems: women are far less confident than ...
Valerie Frey   +2 more
wiley   +1 more source

U-Pb возраст и состав пород Березовского золоторудного поля (Средний Урал)

open access: yesЛитосфера, 2019
Приведены новые возрастные данные для Березовского рудного поля, представленного золото-сульфидно-кварцевыми жилами, сопряженными с метасоматитами березит-лиственитовой формации, наложенными на позднепалеозойский интрузивно-дайковый комплекс гранитоидов ...

doaj  

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