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Anisotropy of out-of-phase magnetic susceptibility as a potential tool for distinguishing geologically and physically controlled inverse magnetic fabrics in volcanic dykes

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985831%3A_____%2F20%3A00532817" target="_blank" >RIV/67985831:_____/20:00532817 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11310/20:10420435

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S0031920119303644" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0031920119303644</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.pepi.2020.106551" target="_blank" >10.1016/j.pepi.2020.106551</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Anisotropy of out-of-phase magnetic susceptibility as a potential tool for distinguishing geologically and physically controlled inverse magnetic fabrics in volcanic dykes

  • Original language description

    Among the mechanisms of the mass transport within the Earth's crust and the upper mantle the magma movement within the dykes is very important. In some dykes, the magma movement is represented by almost free flow infilling more or less open fractures in the host rocks, while it has character of forceful injection of the host rocks in the other dykes. The magnetic fabric originated by the free flow is characterized by the magnetic foliation and magnetic lineation approximately parallel to the dyke plane (normal fabric) whereas the forceful injection gives rise to the magnetic foliation perpendicular to the dyke plane defining the intermediate or inverse magnetic fabric. It is known, however, that the inverse magnetic fabric can also originate through the free flow of magma in the case when the minerals carrying the AMS are represented by single-domain (SD) grains. In order to distinguish between the two mechanisms controlling the intermediate/inverse fabric, the anisotropy of magnetic remanence (AMR) is often used, because it indicates the shape preferred orientation of ferromagnetic minerals regardless of their domain state. We show that not only AMR, but also the anisotropy of out-of-phase magnetic susceptibility (opAMS) is conformable with particle shape regardless of the magnetic state of the particle. Consequently, the opAMS, which is measured automatically with the standard AMS using the KLY-5 Kappabridge, may substitute the AMR at least in some cases of volcanic dykes.

  • 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

    10507 - Volcanology

Result continuities

  • Project

    <a href="/en/project/GA19-17442S" target="_blank" >GA19-17442S: Anisotropy of out-of-phase magnetic susceptibility as a new method for fabric analysis of rocks</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2020

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Physics of the Earth and Planetary Interiors

  • ISSN

    0031-9201

  • e-ISSN

  • Volume of the periodical

    307

  • Issue of the periodical within the volume

    October

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    13

  • Pages from-to

    106551

  • UT code for WoS article

    000568694300001

  • EID of the result in the Scopus database

    2-s2.0-85088147670