1. Balázs Ivanics
Earth Sciences BSc,
II. Second year

2. 1. The Geological Structure of the Naszály and its area 2. Structure
3. Karstification
4. The Naszály sinkhole-cave
5. Results, Discussion
6. Conclusion 2.
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave

4. 3.
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave

5. Eocene Szépvölgy Limestone and brown coal
Triassic (Carnian) Great Dolomite and Triassic (Norian) Dachstein Limestone
Eocene Szépvölgy Limestone and brown coal
Oligocene Kiscell Clay and Hárshegy Sandstone
Colouring earth, bauxite, fireclay
Naszály sinkhole-cave 4.
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave

6. Tectonic movements in several phases Fractures and faults
Fractured dolomite, limestone and sandstone layers
Jurassic, Eocene, Oligocene
Miocene, Pleistocene (based on references ) 5.
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave

7. 6. Leél-Őssy S., 1952 Based on S. Leél-Őssy 1952
Balázs Ivanics - The investigation of greater fault planes of Naszály-sinkhole-cave
Leél-Őssy S., 1952

8. Well-karstificated Dachstein Limestone
7 karst phases (based on Juhász et al. 1995) → meteoric and hydrothermal
Spatial hydrography on the west side of the Naszály (652 m)
sinkhole, cave, pothole, karrenfeld, doline
50 caves 7.
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave

9. 8.
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave

10. Hungary’s sixth deepest cave (-173 m)
tectonical directions, cold water solution and mixing corrosion
local protection (Vác)
entrance: 510 m asl
Major researchers: László Bánhidi and Tibor Joó (1952) Tibor Gánti (Szinlő-cave) Sándor Leél-Őssy
Troglonaut Cave Researcher Association (2000 m) 9.
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave

11. the development of the cave halls (location, size, shape) passages
Faults:
uplift of Naszály
the development of the cave
halls (location, size, shape)
passages
clay
10.
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave

12. NE-SW strike direction doline sandstone (limestone)
11.
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave

13. Greater halls and narrow corridors (crawl-way)
Can be divided into 3 parts: Fő-, Térképész-, Kürtős-passage
3 signification faults 1. fault: Kettes-akna, NW dip direction, 45-50° dip angle
2. and 3. faults are similar, S-SSE, 55-70°
Dip direction
Dip angle
1. fault
271°
48°
2. fault
177°
64°
3. fault
175°
Based on Ézsiás & Nyerges 2003
12.
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave

14. deviation: Viktória-hall (180-190°)
faults:
S-SSE ( °)
deviation: Viktória-hall ( °)
13.
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave

15. Small distance between the halls
Small horizontal extent
Great depth
14.
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave

16. 15. Based on Ézsiás & Nyerges 2003
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave

17. Significant passage system Chimney climbing (Succubus- chimney)
Further research
Significant passage system
Chimney climbing (Succubus- chimney)
Clearing of end point (-400 m)
Along the faults newer halls (Zsuzsi-hall)
Second entrance penetration of shallow passages
16.
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave

18. E. Juhász, L. Korpás, A. Balog 1995: Two hundred million years of karst history, Dachstein Limestone, Hungary, Sedimentology, 42.,
S. Leél-Őssy 1952: Geomorfológiai vizsgálatok a váckörnyéki triászrögökön (Geomorfological investigation around Triassic block of Vác). - Földrajzi Értesítő, I., 2.,
T. Gánti 1957: A Naszályi karszt (The karst of Naszály). - Hidrológiai Közlöny, 37., 4.,
Gy. Ézsiás & A. Nyerges (in Székely K. szerk.) 2003: Magyarország fokozottan védett barlangjai (Increasingli protected caves of Hungary). - Mezőgazda Kiadó,
A. Balog & J. Haas 1990: A váci Nagyszál Dachsteini Mészkövének szedimentológiai jellege és diagenezise (Sedimentological character and diagenesis of Dachstein Limenstone of Naszály). - Földtani Közlöny, 120., 1-2.,
17.
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave

19. ELTE, Department of Physical and Applied Geology
Szabolcs Leél-Őssy
András Szabolcs Sóron
Márton Palotai
Dorina Auer
ELTE, Department of Physical and Applied Geology
Troglonaut Cave Researcher Association
18.
Balázs Ivanics - The investigation of greater fault planes of Naszály sinkhole-cave