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The kinematics of a salt sheet recorded in an array of distorted intrasalt stringers (Les Avellanes Diapir - South-Central Pyrenees)

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985530%3A_____%2F23%3A00581336" target="_blank" >RIV/67985530:_____/23:00581336 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11310/23:10477290

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S0191814123001803" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0191814123001803</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.jsg.2023.104963" target="_blank" >10.1016/j.jsg.2023.104963</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    The kinematics of a salt sheet recorded in an array of distorted intrasalt stringers (Les Avellanes Diapir - South-Central Pyrenees)

  • Original language description

    Stringers represent fragments of competent, brittle layers, formerly interstratified within a layered evaporite sequence (LES) that are entrained and deformed by viscous flow. To resolve the impact of the stringers on the deformation style of an extrusive salt sheet, an array of decameter-thick, carbonate stringers, preserved in the caprock matrix of the Les Avellanes Diapir (South-Central Pyrenees) was analysed. The diapir exposure was mapped in detail to produce a cross-section that shows the stringer assemblage. To understand the dynamic behaviour of stringers, this natural prototype has been reproduced using scaled analogue models. In the model, stringers were carried into the salt sheet, rotating and deforming while migrating toward the sheet front. The array of stringers can be divided into the following three structural domains: 1) a feeder domain mainly hosting vertical stringers parallel to the stem wall that rotate to a subhorizontal orientation as they approach the allochthonous sheet, 2) a sheet domain containing stack-like sets of subvertical and overturned, to subhorizontal stringers, as well as isoclinally and recumbently folded stringers, and 3) a sheet front domain characterised by stringers dipping toward the salt sheet front. Compartmentalization of the horizontal flow by the transported stringers controlled the deformation in the caprock matrix above. Finally, the similarity between the field observations and the model is evaluated and discussed to shed light on the Les Avellanes Diapir kinematic evolution.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10505 - Geology

Result continuities

  • Project

    <a href="/en/project/GC20-18647J" target="_blank" >GC20-18647J: Influence of caprock on the growth dynamics of salt diapirs in Iran</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2023

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Structural Geology

  • ISSN

    0191-8141

  • e-ISSN

    1873-1201

  • Volume of the periodical

    176

  • Issue of the periodical within the volume

    November

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    24

  • Pages from-to

    104963

  • UT code for WoS article

    001105764300001

  • EID of the result in the Scopus database

    2-s2.0-85173801675