English: Velebit breccia (“Jelar”
breccia),
CroatienDinaric Alps,
Velebit.
Geology: The carbonate breccia are chaotically fractured by strong
tectonics of Middle
Eocene to Middle
Miocene age. They
outcrop on the SW slope of the Velebit over a distance of more than 100km, also along the complete WE striking ‘Bakovac-graben’ and the
Lika region. The broken zone is an essential feature of
uvalas, distinguished from
sinkholes by size and genesis. Uvalas are generated both by
karstification and considerable
faulting. Part of the breccia was
diageneticallycemented by fine crystalline mass. Where not totally cemented, it is highly water permeable (karst).
Tektonik und
Wasserlöslichkeit des Karbonatgesteins sind in den Dinariden sehr ausgeprägte Erscheinungen. Am Südwest-Hang des Velebit-Gebirges sind die Jelar-Brekzien über mehr als 100km aufgeschlossen, außerdem auch entlang dem 'Bakovac-Graben' und in der
Lika-Region. Bei starker Tektonik bilden sich typischerweise
Uvalas als Depressionsformen, die wesentlich größer als
Dolinen sind. Sie sind nicht nur durch
Verkarstung, sondern ebenso durch beträchtliche Bruchtektonik geprägt. Die Brekzien weisen teilweise
diagenetische, kristalline
Zementierung auf. Wenn (noch) nicht total zementiert (klüftig), sind die Brekzien hochgradig wasserdurchlässig (Karst).
Date
September 2006; June 20th, 2014 (upload)
Source
see author
Author
Park Administration of National Park Northern Velebit
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the
same or compatible license as the original.
Velebit breccia ("Jelar" breccia), carbonate clasts along faults and overturned folds, chaotically fractured by strong tertiar tectonics. In the Velebit they outcrop very extensively along the Adriatic coast (ca. 100km), along the WE striking‘Bakovac-graben’ and in the Lika region of the Dinarides.Joints were diagenetically cemented by fine crystalline mass. When and where the joints were not totally cemented, the matrix is highly water permeable (karst).
English: Velebit breccia (“Jelar”
breccia),
CroatienDinaric Alps,
Velebit.
Geology: The carbonate breccia are chaotically fractured by strong
tectonics of Middle
Eocene to Middle
Miocene age. They
outcrop on the SW slope of the Velebit over a distance of more than 100km, also along the complete WE striking ‘Bakovac-graben’ and the
Lika region. The broken zone is an essential feature of
uvalas, distinguished from
sinkholes by size and genesis. Uvalas are generated both by
karstification and considerable
faulting. Part of the breccia was
diageneticallycemented by fine crystalline mass. Where not totally cemented, it is highly water permeable (karst).
Tektonik und
Wasserlöslichkeit des Karbonatgesteins sind in den Dinariden sehr ausgeprägte Erscheinungen. Am Südwest-Hang des Velebit-Gebirges sind die Jelar-Brekzien über mehr als 100km aufgeschlossen, außerdem auch entlang dem 'Bakovac-Graben' und in der
Lika-Region. Bei starker Tektonik bilden sich typischerweise
Uvalas als Depressionsformen, die wesentlich größer als
Dolinen sind. Sie sind nicht nur durch
Verkarstung, sondern ebenso durch beträchtliche Bruchtektonik geprägt. Die Brekzien weisen teilweise
diagenetische, kristalline
Zementierung auf. Wenn (noch) nicht total zementiert (klüftig), sind die Brekzien hochgradig wasserdurchlässig (Karst).
Date
September 2006; June 20th, 2014 (upload)
Source
see author
Author
Park Administration of National Park Northern Velebit
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the
same or compatible license as the original.
Velebit breccia ("Jelar" breccia), carbonate clasts along faults and overturned folds, chaotically fractured by strong tertiar tectonics. In the Velebit they outcrop very extensively along the Adriatic coast (ca. 100km), along the WE striking‘Bakovac-graben’ and in the Lika region of the Dinarides.Joints were diagenetically cemented by fine crystalline mass. When and where the joints were not totally cemented, the matrix is highly water permeable (karst).