REAL

Combined analysis of faults and deformation bands reveals the Cenozoic structural evolution of the southern Bükk foreland (Hungary)

Petrik, Attila and Beke, Barbara and Fodor, László (2014) Combined analysis of faults and deformation bands reveals the Cenozoic structural evolution of the southern Bükk foreland (Hungary). Tectonophysics, 633. pp. 43-62. ISSN 0040-1951

[img]
Preview
Text
combined_analysis_of_faults_and_deformation_bands.pdf

Download (679kB) | Preview
[img]
Preview
Text
fig1.pdf

Download (3MB) | Preview
[img]
Preview
Text
fig2.pdf

Download (5MB) | Preview
[img]
Preview
Text
fig3.pdf

Download (1MB) | Preview
[img]
Preview
Text
fig4.pdf

Download (915kB) | Preview
[img]
Preview
Text
Fig. 5.pdf

Download (1MB) | Preview
[img]
Preview
Text
fig6.pdf

Download (651kB) | Preview
[img]
Preview
Text
fig7.pdf

Download (3MB) | Preview
[img]
Preview
Text
fig8.pdf

Download (10MB) | Preview
[img]
Preview
Text
fig9.pdf

Download (13MB) | Preview
[img]
Preview
Text
fig10.pdf

Download (7MB) | Preview
[img]
Preview
Text
fig11.pdf

Download (2MB) | Preview
[img]
Preview
Text
fig12.pdf

Download (18MB) | Preview
[img]
Preview
Text
Fig. 13a.pdf

Download (1MB) | Preview
[img]
Preview
Text
Fig. 13b.pdf

Download (1MB) | Preview
[img]
Preview
Text
Fig. 14.pdf

Download (1MB) | Preview
[img]
Preview
Text
fig15.pdf

Download (3MB) | Preview

Abstract

A combination of fault slip data and deformation band analysis allows the separation of 8 deformation phases (D1–D8) in the southern foreland of the Bükk Mts., NE Hungary. The newly defined D1 phase is characterised by NE–SW compression which is hard to integrate into the Cenozoic evolution of the area. The D2a is also a new stress state which was a NE–SW syn-sedimentary extension of Late Oligocene age. The coeval D2b stress state is characterised byNW–SE compression andwas responsible for the (partly syn-sedimentary) tilting and erosion of the Oligocene sediments during Late Oligocene to earliest Miocene. D3 corresponds to E–Wcompression and perpendicular extension. Itwas followed by NE–SW (D4) andWNW–ESE extension (D5) which corresponds to the main rifting phases of the Pannonian Basin system from the late Early to Mid-Miocene (17.3–15Maand 15–11.6 Ma, respectively). It was interrupted by a short inversion (D6) of NE–SW to ENE–WSW compression at latest Mid- Miocene to earliest Late Miocene. Extension and major tilting were renewed in the early Late Miocene (D7). D8 shows NW–SE compression during latest Miocene to Pliocene when the Bükk Mts. started to be uplifted. Deformation bands were formed during several of the established tectonic phases. Combined analysis of deformation bands and fault slip data permitted the unraveling of the evolution of deformation bands in connection with deformation mechanism, burial depth and cumulative displacement. We suggest that the less destructive type of deformation bands is the oldest ones, and were formed at the shallowest burial and accumulated the smallest total displacement. The more cataclastic the deformation bands are, the greater the total displacement and deeper burial depth that can be observed. With progressive burial and/or displacement, deformation bands evolved into discrete fault slip surface.

Item Type: Article
Subjects: Q Science / természettudomány > QE Geology / földtudományok > QE03 Geodynamics / geodinamika
Q Science / természettudomány > QE Geology / földtudományok > QE06 Petrology. Petrography / kőzettan, petrográfia
Depositing User: Beke Barbara
Date Deposited: 18 Feb 2015 07:16
Last Modified: 01 Oct 2016 23:15
URI: http://real.mtak.hu/id/eprint/21907

Actions (login required)

Edit Item Edit Item