Results 21 to 30 of about 30,445 (262)

Mineral chemistry of late Variscan gabbros from central Spain: constraints on crystallisation processes and nature of the parental magmas [PDF]

open access: yes, 2015
© 2016. Universidad Complutense de Madrid. The commercial rights of the printed and online versions of Journal of Iberian Geology are property of the Universidad Complutense de Madrid (UCM) and the Consejo Superior de Investigaciones CientÍficas (CSIC),
Jeffries, T   +3 more
core   +3 more sources

Recycling Argon through Metamorphic Reactions: the Record in Symplectites [PDF]

open access: yes, 2018
The 40Ar/39Ar ages of metamorphic micas that crystallized at high temperatures are commonly interpreted as cooling ages, with grains considered to have lost 40Ar via thermally-driven diffusion into the grain boundary network.
Allaz   +82 more
core   +2 more sources

Phase Diagrams of Carbonate Materials at High Pressures, with Implications for Melting and Carbon Cycling in the Deep Earth

open access: yesGeophysical Monograph Series, Page 137-165., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Konstantin Litasov   +3 more
wiley  

+1 more source

Surface reactivity of amphibole asbestos. A comparison between crocidolite and tremolite [PDF]

open access: yes, 2017
Among asbestos minerals, fibrous riebeckite (crocidolite) and tremolite share the amphibole structure but largely differ in terms of their iron content and oxidation state. In asbestos toxicology, iron-generated free radicals are largely held as one of
Andreozzi, Giovanni B.   +4 more
core   +3 more sources

EMPHATIZATION OF MARGINAL OVERTONS OF MEANING IN PSYCHOLOGICAL NARRATIVE

open access: yesГуманитарные и юридические исследования, 2021
He article analyzes the basic techniques of em-phatizing marginal overtones of the meaning hierarchy, which develop based on the peripheral components of the socio-cultural concept and value space within the framework of grotesque verbalization forms ...
N. Pelevina, K. Kurishko
doaj  

Petrochemistry and mineralogy of pumice from the Sarychev Peak Volcano, Matua Island, Central Kuril Island

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2022
Background. The article presents the first results of a mineralogical and petrographic study of the pumice of the Sarychev Peak volcano, Matua island, the Central Kuril islands.Aim.
V. M. Okrugin   +2 more
doaj   +1 more source

An experimental study of amphibole stability in low-pressure granitic magmas and a revised Al-in-hornblende geobarometer

open access: yesContributions to Mineralogy and Petrology, 2016
We report new experimental data on the composition of magmatic amphiboles synthesised from a variety of granite (sensu lato) bulk compositions at near-solidus temperatures and pressures of 0.8–10 kbar. The total aluminium content (Altot) of the synthetic
Euan Mutch   +5 more
semanticscholar   +1 more source

Correlation of metabasic rocks from metamorphic soles of the Dinaridic and the Western Vardar zone ophiolites (Serbia): Three contrasting pressure-temperature-time paths [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2012
The field, petrological-mineralogical, geochemical and geochronological data of the metamorphic sole rocks recorded beneath the Fruška Gora, Povlen (Tejići), Stolovi and Banjska ophiolites in the Western Vardar Zone (WVZ) and beneath the ...
Srećković-Batoćanin Danica   +3 more
doaj   +1 more source

Pleural mesothelioma and lung cancer risks in relation to occupational history and asbestos lung burden. [PDF]

open access: yes, 2015
BACKGROUND: We have conducted a population-based study of pleural mesothelioma patients with occupational histories and measured asbestos lung burdens in occupationally exposed workers and in the general population.
Burdett, G   +9 more
core   +2 more sources

Mafic alkaline metasomatism in the lithosphere underneath East Serbia: evidence from the study of xenoliths and the host alkali basalts [PDF]

open access: yes, 2010
Effects of mafic alkaline metasomatism have been investigated by a combined study of the East Serbian mantle xenoliths and their host alkaline rocks.
Cvetkovic, V.   +4 more
core   +1 more source

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