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Publikacje
Pomoc (F2)
[37000] Artykuł:

Late Neoproterozoic to Early Palaeozoic palaoegeography of the Holy Cross Mountains (Central Europe): an integrated approach

Czasopismo: Journal of Geological Society   Tom: 164, Zeszyt: 2, Strony: 405-423
ISSN:  0016-7649
Wydawca:  GEOLOGICAL SOC PUBL HOUSE, UNIT 7, BRASSMILL ENTERPRISE CENTRE, BRASSMILL LANE, BATH BA1 3JN, AVON, ENGLAND
Opublikowano: Marzec 2007
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Procent
udziału
Liczba
punktów
J. Nawrocki25.00  
J. Dunlap10.00  
Z. Pecskay10.00  
L. Krzemiński10.00  
A. Żylinska10.00  
M. Fanning10.00  
W. Kozłowski10.00  
S. Salwa5.00  
Z. Szczepanik5.00  
Wiesław TrelaWBiAKatedra Inżynierii Komunikacyjnej524.00  

Grupa MNiSW:  Publikacja w czasopismach wymienionych w wykazie ministra MNiSzW (część A)
Punkty MNiSW: 24
Klasyfikacja Web of Science: Article


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Keywords:

PALEOMAGNETIC DATA  SUTURE ZONE  CENTRAL POLAND  BALTICA  TERRANES  MIDDLE  BASIN  PALEOGEOGRAPHY  CONSTRAINTS  PROVENANCE 



Abstract:

Study of geochemistry, examination of isotope ages of detrital minerals, palaeomagnetic analysis, and a study of the trilobites were performed to provide constraints on the palaeogeographical position of the Holy Cross Mountains in Late Ediacaran-Early Palaeozoic time. The geochemical results indicate an active continental margin or continental island arc provenance of the Ediacaran sediments. Sediments from a passive continental margin were deposited here during the Cambrian and Ordovician. The palaeornagnetic pole isolated from Cambrian rocks of the Malopolska region of the Holy Cross Mountains corresponds to the Cambrian segment of the Baltic apparent polar wander path. Isotope age estimations indicate that Cambrian sediments of the Malopolska region contain detritus not only from a latest Neoproterozoic source but also from sources with ages of c. 0.8-0.9 Ga, 1.5 Ga and 1.8 Ga. The Malopolska, Brunosilesia, Dobrugea and Moesia terranes, which originally developed near the present southern edge of Baltica and were partly involved in the Cadomian orogen, were dextrally relocated along its Trans-European Suture Zone margin. The first stage of this movement took place as early as latest Ediacaran time, while Baltica rotated anticlockwise. Anticlockwise rotation of Baltica at the Cambrian-Ordovician boundary implies further dextral movement of the Malopolska block.