Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey

Yavuz ÖZDEMİR, (Van Yüzüncü Yıl Üniversitesi, Mühendislik Fakültesi, Jeoloji Mühendisliği Bölümü, Van, Türkiye)
Ayhan ÖZDEMİR (Van Yüzüncü Yıl Üniversitesi, Fen Bilimleri Enstitüsü, Van, Türkiye)
Turkish Journal of Earth Sciences
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Yıl: 2023 Cilt: 32 Sayı: 2 Sayfa Aralığı: 181 - 199 Metin Dili: İngilizce DOI: 10.55730/1300-0985.1837 İndeks Tarihi: 12-06-2023

Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey

Öz:
We investigate the geology and petrology of Cumaçay, one of the Plio-Quaternary eruption centers of postcollisional volcanism in Eastern Turkey, using a combination of geochronology, bulk-rock geochemistry, thermobarometry, and thermodynamic simulations. Our new K-Ar ages reveal an age of 3.5–0.97 Ma for the eruptive products, which spread around an area of approximately 1000 km2. Mineral-melt equilibria for olivine, orthopyroxene, clinopyroxene, and plagioclase allow estimation of crystallization pressures, and temperatures indicate two separate crustal storage of crystallization at 14–28 km and 5–15 km. The temperature estimation from diverse methods ranges from 954 °C to 1224 °C. Thermodynamic modelings using Magma Chamber Simulator (MCS) at a representative pressure (5 kbar) imply that the assimilation and crustal contamination (AFC) resulted in evolved melts with various SiO2 contents at mid to lower crustal depths. Calculated wide range of temperatures, compositional variety from evolved members, and MCS recharge simulation at a representative pressure (2.5 kbar) reveal that the magma mixing between contrasted melts characterizes the final chemical dispersal of the erupted lavas.
Anahtar Kelime: Eastern Anatolia magma plumbing system thermobarometry mineral chemistry

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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APA Özdemir Y, ÖZDEMİR A (2023). Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey. , 181 - 199. 10.55730/1300-0985.1837
Chicago Özdemir Yavuz,ÖZDEMİR Ayhan Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey. (2023): 181 - 199. 10.55730/1300-0985.1837
MLA Özdemir Yavuz,ÖZDEMİR Ayhan Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey. , 2023, ss.181 - 199. 10.55730/1300-0985.1837
AMA Özdemir Y,ÖZDEMİR A Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey. . 2023; 181 - 199. 10.55730/1300-0985.1837
Vancouver Özdemir Y,ÖZDEMİR A Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey. . 2023; 181 - 199. 10.55730/1300-0985.1837
IEEE Özdemir Y,ÖZDEMİR A "Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey." , ss.181 - 199, 2023. 10.55730/1300-0985.1837
ISNAD Özdemir, Yavuz - ÖZDEMİR, Ayhan. "Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey". (2023), 181-199. https://doi.org/10.55730/1300-0985.1837
APA Özdemir Y, ÖZDEMİR A (2023). Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey. Turkish Journal of Earth Sciences, 32(2), 181 - 199. 10.55730/1300-0985.1837
Chicago Özdemir Yavuz,ÖZDEMİR Ayhan Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey. Turkish Journal of Earth Sciences 32, no.2 (2023): 181 - 199. 10.55730/1300-0985.1837
MLA Özdemir Yavuz,ÖZDEMİR Ayhan Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey. Turkish Journal of Earth Sciences, vol.32, no.2, 2023, ss.181 - 199. 10.55730/1300-0985.1837
AMA Özdemir Y,ÖZDEMİR A Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey. Turkish Journal of Earth Sciences. 2023; 32(2): 181 - 199. 10.55730/1300-0985.1837
Vancouver Özdemir Y,ÖZDEMİR A Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey. Turkish Journal of Earth Sciences. 2023; 32(2): 181 - 199. 10.55730/1300-0985.1837
IEEE Özdemir Y,ÖZDEMİR A "Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey." Turkish Journal of Earth Sciences, 32, ss.181 - 199, 2023. 10.55730/1300-0985.1837
ISNAD Özdemir, Yavuz - ÖZDEMİR, Ayhan. "Deciphering the magma storage conditions and preeruptive processes at Cumaçay: a Plio-Quaternary volcanic eruption center in Eastern Anatolia, Turkey". Turkish Journal of Earth Sciences 32/2 (2023), 181-199. https://doi.org/10.55730/1300-0985.1837
Sayfa Oluşturulma Tarihi
24-04-2024 7:51

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