Results 91 to 100 of about 29,339 (247)

Origin of carbonate-silicate rocks of the Porya Guba (the Lapland-Kolvitsa Granulite Belt) revealed by stable isotope analysis (δ18O, δ13C)

open access: yesЗаписки Горного института
Carbonate-silicate rocks of unclear origin have been observed in granulites of the Porya Guba of the Lapland-Kolvitsa Belt within the Fennoscandinavian Shield.
Dmitrii P. Krylov, Ekaterina V. Klimova
doaj  

Geochemical characterization of Gubanovskaya intrusion of rapakivi granites (Wiborg massif)

open access: yesVestnik MGTU
The paper presents new data on geology and composition of rapakivi granites of Gubanovskaya intrusion (Wiborg massif). Petrographic and geochemical characteristics of rapakivi granites of the second (ovoid) and third (trachytoid) phases of intrusion, as ...
Rogova I. V.   +3 more
doaj   +1 more source

Front Matter

open access: yesGeophysical Monograph Series, Page i-xiv., 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 ...
wiley  

+1 more source

An optimization tool for identifying multiple-diffusion domain model parameters [PDF]

open access: yesGeochronology
The multiple-diffusion domain (MDD) model empirically describes the diffusive behavior of noble gases in some terrestrial materials and has been commonly used to interpret 40Ar/39Ar stepwise degassing observations in K-feldspar.
A. L. Gorin   +5 more
doaj  

Trace element composition of silicate minerals from Kunashak Meteorite (L6)

open access: yesЗаписки Горного института
Major (EPMA) and trace (SIMS) element geochemistry in the silicate minerals (olivine, pyroxene and plagioclase) of Kunashak equilibrated ordinary chondrite (L6) is described. No variations in the major element concentrations of the silicate minerals have
Kristina G. Sukhanova, Olga L. Galankina
doaj  

Early Cretaceous trachytes and basement rocks from northeastern Mongolia: a Sr-Nd-Pb isotope study

open access: yesFrontiers in Earth Science, 2023
Maksim V. Kuznetsov   +4 more
doaj   +1 more source

Technical note: Altitude scaling of 36Cl production from Fe [PDF]

open access: yesGeochronology
Cosmogenic nuclide production rates depend on the excitation functions of the underlying nuclear reactions and the intensity and energy spectrum of the cosmic-ray flux.
A. K. Moore, A. K. Moore, D. E. Granger
doaj   +1 more source

Research Scientist position in geochronology at CENIEH

open access: yes, 2018
Research Scientist in Uranium Series Dating (Geochronology, CENIEH) The CENIEH (National Research Centre for Human Evolution, in Burgos, Spain) is seeking applications to fill a tenure-track Research Scientist position to conduct research in the field of
patriciamar
core  

Editorial

open access: yes, 2019
This issue of Quaternary Geochronology is the last one where I am the Editor-in-Chief. Quaternary Geochronology(QG) was born during a conversation when Giff Miller, John Chappell and John Magee and I were sitting around a camp fire in the Simpson Desert ...
Grun, Rainer
core   +1 more source

Lithostratigraphy of the Lower Cretaceous of Southwestern and Central Crimea

open access: yesRussian Journal of Earth Sciences
The revision and updating of the local geological units of the Lower Cretaceous in the Southwestern and Central Crimea have been carried out. For this purpose, the materials presented in numerous publications and the results obtained by the authors ...
Dubkova K. A.   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy