Results 61 to 70 of about 2,559 (173)

Inclusões fluidas em topázio do Complexo Granítico Estanífero de Massangana (RO) [PDF]

open access: yes, 2003
O complexo granítico de Massangana, localizado na região central de Rondônia, sudoeste do Cráton Amazônico, Brasil, é um importante exemplo da Província Estanífera de Rondônia.
Moura, Márcia Abrahão   +2 more
core   +1 more source

Changes of Granite Rapakivi under the Biofouling Influence

open access: yes, 2021
Interdisciplinary study of granite rapakivi biofouling in the natural and anthropogenic environment (St. Petersburg, Vyborg, Southern Finland) was carried out. The biodiversity of microorganisms (cyanobacteria, micromycetes, and organotrophic bacteria) and various types of biofilms are characterized.
Yu., Vlasov, Dmitry   +5 more
openaire   +3 more sources

Isotopic evidence for the origin of Proterozoic massif-type anorthosites and their relation to rapakivi granites in southern Finland and northern Brazil [PDF]

open access: yes, 2012
The purpose of this study was to apply novel isotopic methods to shed light on the petrogenesis and magmatic evolution of Proterozoic massif-type anorthosites and related rapakivi granites in southern Finland and northern Brazil.
Heinonen, Aku
core  

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

Cumulative geological, regional and site-specific factors affecting groundwater quality in domestic wells in Finland [PDF]

open access: yes, 2001
Groundwater quality in domestic wells and the reasons for problems in this respect are described on the scale of an individual household well using an extensive database of 1421 wells.
Korkka-Niemi, Kirsti
core  

Biogenic processes in crystalline bedrock fractures indicated by carbon isotope signatures of secondary calcite [PDF]

open access: yes, 2016
Peer ...
Karhu, Juha A.   +3 more
core   +1 more source

Nature secondary quartzites of the island Bol’shoy Tyuters (Gulf of the Finland, Russia)

open access: yesЛитосфера, 2017
Territory Baltic shield is well understood and the identification of innovative geological formations rare stroke of luck. Thanks to the Russian Geographical Society in the summer of 2015 an integrated expedition to study the nature of the little-known ...
Evgenii N. Terekhov   +5 more
doaj   +1 more source

The lichens and lichenicolous fungi of South Greenland [PDF]

open access: yes, 2017
This list enumerates all lichenized and lichenicolous fungi known from the west coast of South Greenland between 60o10’N and 61o20’N. 744 lichen species and infraspecific taxa, 156 lichenicolous and six allied fungi are treated.
Alstrup, Vagn   +5 more
core   +1 more source

The age of monzonites of the eastern part of the Korsun-Novomirgorod pluton (Ingul megablock of the USh)

open access: yesГеофизический журнал, 2015
The article presents the results of monzonites research of the eastern part of Korsun-Novomirgorod pluton. The pluton is situated in the northwestern part of the Ingul megablock.
E. Shestopalova   +3 more
doaj   +1 more source

Petrographical Analysis of Warthian Fuvioglacial Gravels as a Tool to Trace the Source Area – A Case Study From Central Poland [PDF]

open access: yes, 2014
The petrographical features of the medium- and coarse-grained gravels (4-10 mm and 20-60 mm, respectively) of weathered and fresh (unweathered) deposits indicate, in combination with so-called indicator and statistical erratics, that two glacial lobes ...
Górska-Zabielska, Maria   +1 more
core   +2 more sources

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