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Pregled bibliografske jedinice broj: 64859

Discovery of blueschists in the Medvednica mountain (Northern Croatia) and their significance for the interpretation of the geotectonic evolution of the area.


Belak, Mirko; Tibljaš, Darko
Discovery of blueschists in the Medvednica mountain (Northern Croatia) and their significance for the interpretation of the geotectonic evolution of the area. // Geologia Croatica, 51 (1998), 1; 27-32 (međunarodna recenzija, članak, znanstveni)


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Naslov
Discovery of blueschists in the Medvednica mountain (Northern Croatia) and their significance for the interpretation of the geotectonic evolution of the area.

Autori
Belak, Mirko ; Tibljaš, Darko

Izvornik
Geologia Croatica (1330-030X) 51 (1998), 1; 27-32

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
blueschist; sodic amphibole; omphacite; garnet; subduction; Tethys; Medvednica Mt.; Croatia.

Sažetak
Blueschists were discovered in the metamorphic rocks of the Medvednica mountain. Two varieties of blueschists are recognised, one with garnets and another with omphacite. Determined mineral associations are composed of sodic amphibole (glaucophane and crossite), garnet, omphacite and white mica. These mineral associations indicate metamorphic conditions which are transitional between blueschist and eclogite facies, i.e. high pressures at relatively moderate temperatures (LG, HP/LT). Such conditions are often characteristic of subduction zones. The occurrence of high-pressure metamorphic rocks in the Medvednica mountain, together with local outcrops of ultramafic rocks (serpentinised harzburgite, dunite and serpentinite) indicate subduction related rocks of the Dinaric part of the Tethyan oceanic crust. In the northern part of the Dinarides, ultramafic rocks and glaucophane schists have also been found in the Motajica and Fruška gora mountains. The Medvednica-Motajica-Fruška gora zone probably represents a relict subduction zone in the Dinaridic part of Tethys, along which regional high-pressure metamorphism took place.

Izvorni jezik
Engleski

Znanstvena područja
Geologija



POVEZANOST RADA


Ustanove:
Prirodoslovno-matematički fakultet, Zagreb,
Hrvatski geološki institut

Profili:

Avatar Url Mirko Belak (autor)

Avatar Url Darko Tibljaš (autor)


Citiraj ovu publikaciju

Belak, Mirko; Tibljaš, Darko
Discovery of blueschists in the Medvednica mountain (Northern Croatia) and their significance for the interpretation of the geotectonic evolution of the area. // Geologia Croatica, 51 (1998), 1; 27-32 (međunarodna recenzija, članak, znanstveni)
Belak, M. & Tibljaš, D. (1998) Discovery of blueschists in the Medvednica mountain (Northern Croatia) and their significance for the interpretation of the geotectonic evolution of the area.. Geologia Croatica, 51 (1), 27-32.
@article{article, year = {1998}, pages = {27-32}, keywords = {blueschist, sodic amphibole, omphacite, garnet, subduction, Tethys, Medvednica Mt., Croatia.}, journal = {Geologia Croatica}, volume = {51}, number = {1}, issn = {1330-030X}, title = {Discovery of blueschists in the Medvednica mountain (Northern Croatia) and their significance for the interpretation of the geotectonic evolution of the area.}, keyword = {blueschist, sodic amphibole, omphacite, garnet, subduction, Tethys, Medvednica Mt., Croatia.} }
@article{article, year = {1998}, pages = {27-32}, keywords = {blueschist, sodic amphibole, omphacite, garnet, subduction, Tethys, Medvednica Mt., Croatia.}, journal = {Geologia Croatica}, volume = {51}, number = {1}, issn = {1330-030X}, title = {Discovery of blueschists in the Medvednica mountain (Northern Croatia) and their significance for the interpretation of the geotectonic evolution of the area.}, keyword = {blueschist, sodic amphibole, omphacite, garnet, subduction, Tethys, Medvednica Mt., Croatia.} }

Časopis indeksira:


  • Scopus


Uključenost u ostale bibliografske baze podataka:


  • Chemical Abstracts
  • Geo Abstracts
  • Mineralogical Abstracts
  • BIOSIS
  • GeoRef
  • Geo Archives





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