Results 21 to 30 of about 343 (176)

ON RECENT FAULTS AND PALEOSEISMIC FRACTURES IN THE PALAEOPROTEROZOIC ONEGA STRUCTURE OF THE BALTIC SHIELD

open access: yesTransactions of the Karelian Research Centre of the Russian Academy of Sciences, 2017
Specific morphological structures corresponding to impulsive seismotectonic events were identified within the Onega structure of the Fennoscandian (Baltic) shield of the East European platform.
Андрей Алексеевич Никонов   +5 more
doaj   +1 more source

Intracratonic Palaeoproterozoic granitoids in northern Finland: Prolonged and episodic crustal melting events revealed by Nd isotopes and U-Pb ages on zircon [PDF]

open access: yesBulletin of the Geological Society of Finland, 2007
Zircons from twelve Palaeoproterozoic granitoids from the Central Lapland Granitoid Complex (CLGC) and from the Hetta Complex (HC) in northern Finland were dated using the NORDSIM ion microprobe.
N. Ahtonen, P. Hölttä, H. Huhma
doaj   +1 more source

Some features of deformation structures in an esker on the southern margin of the Fennoscandian shield [PDF]

open access: yesBulletin of the Geological Society of Finland, 2018
As a result of melting of the last ice sheet in the southeastern edge of the Fennoscandian shield, ridge structures called eskers were formed. One of these eskers is the subject of our study.
A. Poleshchuk, D. Zykov, S. Shvarev
doaj   +1 more source

The Present State of the Kola Peninsula Broadband Seismic Network

open access: yesRussian Journal of Earth Sciences, 2023
This paper provides information about the main parameters of spatial broadband seismic network in the Kola region (the northeastern part of the Fennoscandian Shield). Since 2021 the seismic network has been expanded by five seismic stations and currently
Goev Andrey Georgievich   +5 more
doaj   +1 more source

Seismic situation in the northern parts of the Karelian craton (Fennoscandian Shield)

open access: yesTransactions of the Karelian Research Centre of the Russian Academy of Sciences, 2018
The seismic situation in the northern parts of the Karelian craton (Fennoscandian Shield) was studied. The geological structure of the territory is briefly described. The events of natural and man-made genesis recorded by seismic stations of the Karelian
Ирина Александровна Зуева   +3 more
doaj   +1 more source

Microfossil-like tourmaline microlites in early Proterozoic nodular chert at Kiihtelysvaara, eastern Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 1992
Many Proterozoic silicified sedimentary carbonates have been reported to contain remains of early micro-organisms. One of these localities in the Fennoscandian Shield is the village of Hyypiä at Kiihtelysvaara in eastern Finland, where a nodular chert ...
J. Karhu, H. O'Brien
doaj   +1 more source

Late Glacial and postglacial seismicity in the Northeastern Fennoscandian Shield: tectonic position and age of paleo-earthquakes near Murmansk [PDF]

open access: yesBulletin of the Geological Society of Finland, 2021
Earthquake-induced deformations located near Murmansk City were investigated for information on the age, tectonic position and spatial occurrence of paleo-earthquakes.
Svetlana B. Nikolaeva   +2 more
doaj   +1 more source

Zur letzten Eiszeit im alpinen und nordeuropäischen Raum [PDF]

open access: yesGeographica Helvetica
On the last Glaciation of the Alps and Fennoscandia. During the Pleistocene the Alps and the Fennoscandian Shield were covered several times with extensive ice caps. During the last Ice Age.
G. Glückert
doaj   +1 more source

FAULT SYSTEMS IN THE UPPER CRUST OF THE FENNOSCANDIAN SHIELD, THE EAST EUROPEAN PLATFORM

open access: yesГеодинамика и тектонофизика, 2020
Directions of 683 faults located in the southeastern part of the Fennoscandian (Baltic) shield were statistically analyzed, and three orthogonal associations of fault systems were identified in the study area.
V. S. Burtman, S. Yu. Kolodyazhny
doaj   +1 more source

Neoarchean sanukitoids from the Karelian and Bundelkhand cratons: comparison of composition, distribution and geodynamic setting

open access: yesTransactions of the Karelian Research Centre of the Russian Academy of Sciences, 2019
This study presents comparison of distribution and composition of Neoarchean sanukitoid massifs from Karelian (Fennoscandian Shield) and Bundelkhand (Indian Shield) Cratons.
Кумар Батук Джоши   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy