Published January 1, 2020
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Temporal, geochemical and geodynamic evolution of the Late Cretaceous subduction zone volcanism in the eastern Sakarya Zone, NE Turkey: Implications for mantle-crust interaction in an arc setting
Creators
- 1. Karadeniz Tech Univ, Dept Geol Engn, Trabzon, Turkey
- 2. Gumushane Univ, Dept Geol Engn, Gumushane, Turkey
- 3. Lulea Univ Technol, Dept Civil Engn & Nat Resources, Div Geosci & Environm Engn, Lulea, Sweden
- 4. Recep Tayyip Erdogan Univ, Dept Geol Engn, Rize, Turkey
- 5. Dokuz Eylul Univ, Dept Geol Engn, Izmir, Turkey
Description
The Late Cretaceous Artvin volcanic rocks (LCAVs) from the eastern Sakarya zone (ESZ) of NE Turkey are composed of mafic/basaltic (S1-catak and S2-caglayan) and felsic/acidic (S1-Kizilkaya and S2-Tirebolu) rock types that occurred in two successive stages: (i) first stage (S1: Turonian-Early Santonian) and (ii) second stage (S2: Late Santonian-Campanian). Clinopyroxene thermobarometric results point that the S2-caglayan basaltic rocks have crystallised at higher temperatures and under deeper crustal conditions than those of the S1-catak basaltic rocks.
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