Yayınlanmış 1 Ocak 2019
| Sürüm v1
Dergi makalesi
Açık
Neogene volcanism in Elazig-Tunceli area (eastern Anatolia): geochronological and petrological constraints
Yazarlar/Oluşturanlar
- 1. CNR, Ist Geosci & Georisorse, Via Moruzzi 1, I-56124 Pisa, Italy
- 2. Munzur Univ, Jeol Muh Bolumu, TR-62000 Tunceli, Turkey
- 3. Univ Roma La Sapienza, Dipartimento Sci Terra, Ple A Moro 5, I-00185 Rome, Italy
- 4. Eskisehir Osmangazi Univ, Jeol Muh Bolumu, TR-26480 Eskisehir, Turkey
- 5. Dokuz Eylul Univ, Jeol Muh Bolumu, TR-35390 Izmir, Turkey
- 6. Firat Univ, Jeol Muh Bolumu, TR-23110 Elazig, Turkey
Açıklama
The Elazig and Tunceli provinces in eastern Anatolia host a complex succession of Miocene-Pleistocene effusive and explosive volcanic rocks, divided into four distinct volcanic phases. The most abundant and widespread products are the calcalkaline Mazgirt volcanic rocks, characterized by wide Sr isotope variations ( Sr-87/Sr-86 similar to 0.7054-0.7077) and narrower Nd-143/Nd-144 (similar to 0.51246-0.51260) and Pb isotopes (e.g., Pb-206/Pb-204 similar to 18.89-19.13). New Ar-40-Ar-39 ages indicate that Mazgirt volcanic activity occurred between similar to 16.3 and 15.1 Ma. The other three volcanic phases are represented by the Tunceli mildly alkaline basaltic lavas (similar to 11.4-11.0 Ma), the Pliocene Karakocan (similar to 4.1 Ma) and Pleistocene Elazig (similar to 1.9-1.6 Ma) Na-alkali basaltic lavas with clear OIB-like geochemical signature.
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