Results 81 to 90 of about 3,709 (226)

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

Drilled wells and ground water in the precambrian crystalline bedrock of Finland [PDF]

open access: yes, 1983
Porakaivot ja pohjavesi Suomen prekambrisessa kiteisessä ...
Rönkä, Esa
core  

Petrogenesis of mid-Proterozoic A-type granites : Case studies from Fennoscandia (Finland) and Laurentia (New Mexico) [PDF]

open access: yes, 2004
Detailed studies of four granite plutons, two in southern Finland and two in southwestern New Mexico, indicate considerable petrologic variation for and bring new insights into the petrogenesis of the mid-Proterozoic A-type granites. The rapakivi plutons
Kosunen, Paula
core  

Origin of calcite in the glacigenic Virttaankangas complex [PDF]

open access: yes, 2007
Groundwaters of the glacigenic Virttaankangas complex in southern Finland are characterized by high pH values ranging up to 9.5. These values are significantly higher than those observed in silicate-rich shallow groundwater formations in crystalline ...
Juha A. Karhu   +2 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

Distribution and transport of Fennoscandinavian indicators : a synthesis of data from the literature leading to a reconstruction of a pattern of flowlines and ice margins of the Scandinavian ice sheets [PDF]

open access: yes, 1977
Op grond van de voornaamste algemene ijsbewegingsrichtingen van het laatste glaciaal in Fennoscandinavië zijn de volledig gepubliceerde zwerfsteen tellingen uit gebieden ten zuiden en ten oosten van de Oostzee geheel opnieuw bewerkt.
Overweel, C.J.
core  

Kinetically driven successive sodic and potassic alteration of feldspar. [PDF]

open access: yesNat Commun, 2021
Duan G   +5 more
europepmc   +1 more source

Toward quantification of strain-related mosaicity in shocked lunar and terrestrial plagioclase by in situ micro-X-ray diffraction [PDF]

open access: yes, 2015
Studies of shock metamorphism of feldspar typically rely on qualitative petrographic observations, which, while providing invaluable information, can be difficult to interpret.
Flemming, Roberta L.   +2 more
core   +1 more source

Natural stone assessment with ground penetrating radar [PDF]

open access: yesEstonian Journal of Earth Sciences, 2008
The usability of ground penetrating radar in quality assessment of natural stone deposits was tested in porphyritic granite and soapstone. The main interest was to evaluate how the soundness, fracturing, and physical defects can be studied with the ...
Luodes, Hannu
doaj  

Some progress on understanding the Phanerozoic granitoids in China

open access: yesChina Geology, 2018
: There are large volumes of the Phanerozoic granitoid rocks in China and neighboring areas. In recent years, numerous new and precise U-Pb zircon ages have been published for these granitoids, and define many important magmatic events, such as ca.
Tao Wang   +8 more
doaj   +1 more source

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