<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The Carnic Alps (eastern Southern Alps) provide a classical area to study polyphase very-low- to low-grade metamorphism within the Variscan belt of Europe. Temperature indicators collected during the past three decades map the general metamorphic structure of a mountain chain affected by three major tectonic events (Variscan and Alpine thrusting, Oligocene transpression). Thermometric data obtained by Raman Spectroscopy of carbonaceous material (RSCM) described in this study extend the already published database, provide a map of metamorphic isotherms, and are interpreted in the view of current tectonic concepts. The RSCM temperatures of this study describe a gradient between ca. 460 °C in the tectonically deepest segments, bordered by the Periadriatic Fault System, and temperatures of ca. 200 °C in Permian- Triassic boundary strata of the Gartnerkofel-1 core. Mapped isotherms indicate three domains with different thermal histories, characterized by Variscan imbrication of an accretionary wedge, Permo-Mesozoic burial, and Oligocene contact metamorphism.</p>
</abstract>

The Carnic Alps (eastern Southern Alps) provide a classical area to study polyphase very-low- to low-grade metamorphism within the Variscan belt of Europe. Temperature indicators collected during the past three decades map the general metamorphic structure of a mountain chain affected by three major tectonic events (Variscan and Alpine thrusting, Oligocene transpression). Thermometric data obtained by Raman Spectroscopy of carbonaceous material (RSCM) described in this study extend the already published database, provide a map of metamorphic isotherms, and are interpreted in the view of current tectonic concepts. The RSCM temperatures of this study describe a gradient between ca. 460 °C in the tectonically deepest segments, bordered by the Periadriatic Fault System, and temperatures of ca. 200 °C in Permian- Triassic boundary strata of the Gartnerkofel-1 core. Mapped isotherms indicate three domains with different thermal histories, characterized by Variscan imbrication of an accretionary wedge, Permo-Mesozoic burial, and Oligocene contact metamorphism.

Raman Spectroscopy of carbonaceous material thermometry in the Carnic Alps (Austria, Italy)

Montanuniversität Leoben, Chair of Geology and Economic Geology

Austrian Journal of Earth Sciences

This work is licensed under the Creative Commons Attribution 4.0 International License.

The Carnic Alps (eastern Southern Alps) provide a classical area to study polyphase very-low- to low-grade metamorphism within the Variscan belt of Europe....

Raman Spectroscopy of carbonaceous material thermometry in the Carnic Alps (Austria, Italy)

Online veröffentlicht: 10. Mai 2024

Seitenbereich: 73 - 86

Eingereicht: 14. Feb. 2024

Akzeptiert: 26. Apr. 2024

DOI: https://doi.org/10.17738/ajes.2024.0006

Schlüsselwörter
Carnic Alps, Southern Alps, Metamorphism, Raman Spectroscopy of carbonaceous material

© 2024 Gerd Rantitsch, published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Raman Spectroscopy of carbonaceous material thermometry in the Carnic Alps (Austria, Italy)

Online veröffentlicht: 10. Mai 2024

Seitenbereich: 73 - 86

Eingereicht: 14. Feb. 2024

Akzeptiert: 26. Apr. 2024

DOI: https://doi.org/10.17738/ajes.2024.0006

SchlüsselwörterCarnic Alps, Southern Alps, Metamorphism, Raman Spectroscopy of carbonaceous material

© 2024 Gerd Rantitsch, published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Schlüsselwörter
Carnic Alps, Southern Alps, Metamorphism, Raman Spectroscopy of carbonaceous material