Results 1 to 10 of about 3,232 (152)

Features of olivine crystallization in ordinary chondrites (Saratov meteorite): geochemistry of trace and rare earth elements

Записки Горного института, 2022
The paper discusses the geochemistry of major (EPMA) and trace (SIMS) elements in olivine of porphyritic, nonporphyritic chondrules, and the matrix of equilibrated ordinary chondrite Saratov (L4).
Kristina G. Sukhanova, Anton B. Kuznetsov, Olga L. Galankina   +2 more
doaj   +1 more source

Precision and Accuracy in Geochronology [PDF]

Elements, 2013
Geochronology in Earth and Solar System science is increasingly in demand, and this demand is not only for more results, but for more precise, more accurate, and more easily interpreted temporal constraints. Because modern research often requires multiple dating methods, scrupulous inter- and intramethod calibration in absolute time is required ...
Schoene, Blair, Condon, Daniel, McLean, Noah, Morgan, Leah   +3 more
openaire   +3 more sources

EVALUATION OF THERMAL METAMORPHISM TEMPERATURE OF EQUILIBRATED ORDINARY CHONDRITES

Геодинамика и тектонофизика, 2022
The article provides an evaluation of thermal metamorphism temperatures on chondrite parent bodies using an olivine-Сr spinel geothermometer. To calculate temperatures, the results of EPMA analysis of the major and trace elements in olivine and Cr spinel
К. G. Sukhanova, A. B. Kuznetsov, S. G. Skublov, O. L. Galankina   +3 more
doaj   +1 more source

«AIRES» SHARED RESEARCH FACILITIES (IPGG RAS, St. PETERSBURG): SCIENTIFIC EQUIPMENT, MAIN RESEARCH DIRECTIONS AND RESULTS

Геодинамика и тектонофизика, 2022
The "AIRES" Shared Research Facilities (SRF) is a high-tech laboratory complex based on the Institute of Precambrian Geology and Geochronology RAS (IPGG RAS, St. Petersburg).
A. B. Kuznetsov, T. S. Zaitseva, E. B. Salnikova   +2 more
doaj   +1 more source

Fahlbands of the Keret archipelago, White Sea: the composition of rocks and minerals, ore mineralization

Записки Горного института, 2020
This paper presents a complex mineralogical and geochemical characteristic (based on SEM-EDS, ICP-MS analysis) of the fahlband rocks of the Kiv-Guba-Kartesh occurrence within the White Sea mobile belt (WSMB).
Laysan I. Salimgaraeva, Sergey G. Skublov, Aleksey V. Berezin, Olga L. Galankina   +3 more
doaj   +1 more source

COMMENTS ON THE ARTICLE AUTHORED BY M.V. MINTS AND K.A. DOKUKINA – THE BELOMORIAN ECLOGITE PROVINCE (EASTERN FENNOSCANDIAN SHIELD, RUSSIA): MESO-NEOARCHEAN OR LATE PALEOPROTEROZOIC?

Геодинамика и тектонофизика, 2021
The comments are given on the article authored by M.V. Mints and K.A. Dokukina – The Belomorian Eclogite Province (Eastern Fennoscandian Shield, Russia): Meso-Neoarchean or Late Paleoproterozoic?
S. G. Skublov, A. V. Berezin, L. I. Salimgaraeva   +2 more
doaj   +1 more source

U-Pb age and trace elements composition of titanite from granites of Belokurikhinsky massif, Gorny Altai

Vestnik MGTU, 2021
As a result of isotope-geochemical study, the age data (U-Pb method, ID-TIMS) of titanite from the first phase granites of the Belokurikhinsky granite massif, Gorny Altai, were obtained for the first time. The concordant value of the titanite age of 255 ±
Skublov S. G., Mamykina M. E., Rizvanova N. G.   +2 more
doaj   +1 more source

Gold in biogenic apatites of the Baltic-Ladoga phosphorite basin

Записки Горного института, 2022
The distribution of gold in biogenic apatites from the Ordovician deposits in the northwest of the East European Platform shows that the maximum concentration of gold in apatites is found within the Ladoga-Baltic suture zone.
Sergey B. Felitsyn, Nadezhda A. Alfimova
doaj   +1 more source

Composition of spherules and lower mantle minerals, isotopic and geochemical characteristics of zircon from volcaniclastic facies of the Mriya lamproite pipe

Записки Горного института, 2020
The article presents the results of studying the rocks of the pyroclastic facies of the Mriya lamproite pipe, located on the Priazovsky block of the Ukrainian shield.
Ivan G. YATSENKO, Sergey G. SKUBLOV, Ekaterina V. LEVASHOVA, Olga L. GALANKINA, Sergey N. BEKESHA   +4 more
doaj   +1 more source

Geochronology

, 2007
This compilation represents published geochronological information on rocks from Trans-Hudson Orogen in Ungava Peninsula, northern Quebec. For each dated rock sample, a record containing basic information on geological setting, rock description, sample location, analytical method, age, interpretation, and literature citation is given.
N Wodicka, K Breitsprecher, J B Whalen
openaire   +2 more sources