Conglomerates of Stopnik


  • Jože Čar
  • Dragomir Skaberne



In the area between Stopnik, Šebrelje and Pick of Šebrelje the Ladinian clastic, carbonate and volcanogenic rocks, in the thickness of more then 600 m, are very diversely developed. They are situated on diferent structural blocks bounded by the middle Triassic faults and overlay partly eroded Anisian dolomite in the footwall. Variegated volcanogenic sedimentary rocks with conglomerate lenses comprising the middle part of the Ladinian succession in the broader sorounding of Stopnik are very important for paleogeographic interpretation of the area. Ten conglomerate lenses were separated in the middle of volcanoclastic and volcanogenic rocks on the Šebrelje structural block. Cross sections of the conglomerate lenses are some 10 m to 550 m long and 15 to 60 m thick. Their axes are arranged in the direction NW-SE. In the lower and upper part of the lithological succession in the lenses prevail conglomerates with more ordered internal structure, denser packing of pebbles and more distinct bedding but in the middle part of the succession m lenses prevail sandy conglomerates and pebbly sandstones with less ordered internal structure, less denser packing of pebbles and less distinct bedding. The pebbles consist of diferent types of limestone, dolomite, volcanic rocks, tuffs, tuffaceous sandstone and conglomerate. They represent prevailing resedimented lower Ladinian rocks. The described sedimentary rocks are interpreted as a product of alluvial fan and fan delta sedimentary complexes, which were transgressively covered by tuffaceous muddy marine sediments passing into the Cordevolian dolomite.


How to Cite

Čar, J., & Skaberne, D. (2003). Conglomerates of Stopnik . Geologija, 46(1), 49–64.




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