<abstract xmlns="http://www.w3.org/1999/xhtml"><p>St. Anastasia Island is one of the symbols of the cultural and historical heritage of the Republic of Bulgaria. This raises the need for the study of risky oceanographic factors, climatic phenomena, risky geological processes as well as detailed petrographical characteristics of the Upper Cretaceous volcanic rocks forming the islands. The results of the petrographical study show that the island was built by Alkali feldspar trachytes. The volcanics from St. Anastasia Island shows a close petrochemical similarity to the volcanics from Alatepenski paleovolcano belonging to the “Peripheral Volcanic Centers” in the region.</p></abstract>

St. Anastasia Island is one of the symbols of the cultural and historical heritage of the Republic of Bulgaria. This raises the need for the study of risky oceanographic factors, climatic phenomena, risky geological processes as well as detailed petrographical characteristics of the Upper Cretaceous volcanic rocks forming the islands. The results of the petrographical study show that the island was built by Alkali feldspar trachytes. The volcanics from St. Anastasia Island shows a close petrochemical similarity to the volcanics from Alatepenski paleovolcano belonging to the “Peripheral Volcanic Centers” in the region.

Geological-geomorphological characteristics and petrographical composition of the St. Anastasia Island

University of Mining and Geology “St. Ivan Rilski”, Studentski Grad, “Prof. Boyan Kamenov” Str

Acta Scientifica Naturalis

This work is licensed under the Creative Commons Attribution 3.0 Public License.

St. Anastasia Island is one of the symbols of the cultural and historical heritage of the Republic of Bulgaria. This raises the need for the study of risky...

Geological-geomorphological characteristics and petrographical composition of the St. Anastasia Island

Online veröffentlicht: 18. März 2021

Seitenbereich: 118 - 125

DOI: https://doi.org/10.2478/asn-2021-0010

Schlüsselwörter
Burgas Gulf, St. Anastasia Island, Quaternary marine sediments, Upper Cretaceous, volcanic rocks, petrography, Alkali feldspar trachyte

© 2021 Dimitar Dimitrov et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 3.0 Public License.

Geological-geomorphological characteristics and petrographical composition of the St. Anastasia Island

Online veröffentlicht: 18. März 2021

Seitenbereich: 118 - 125

DOI: https://doi.org/10.2478/asn-2021-0010

SchlüsselwörterBurgas Gulf, St. Anastasia Island, Quaternary marine sediments, Upper Cretaceous, volcanic rocks, petrography, Alkali feldspar trachyte

© 2021 Dimitar Dimitrov et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 3.0 Public License.

Schlüsselwörter
Burgas Gulf, St. Anastasia Island, Quaternary marine sediments, Upper Cretaceous, volcanic rocks, petrography, Alkali feldspar trachyte