HADİM NAPI ALT-ORTA VİZEYEN İSTİFİNİN MİKROFASİYES VE BİYOFASİYES ÖZELLİKLERİ (ORTA TOROSLAR, GÜNEY TÜRKİYE)

Toroslar’daki allokton tektono-stratigrafik birimlerden biri olan Hadim Napı Orta(?)-Üst Devoniyen-Üst Kretase sığ platform karbonatları ve kırıntılı kayaçlardan oluşan kesintisiz bir istife sahiptir. Hadim Napı’nın iyi yüzeylendiği Bademli stratigrafik kesiti alt-orta Vizeyen istifinin mikrofasiyes incelemeleri sonucunda İç Platform Kıyı, Sınırlı ve/veya Açık Deniz depolanma ortamlarını yansıtan yedi mikrofasiyes tanımlanmıştır. Bunlar; Biyoklastik Tanetaşı, Biyoklastik Tanetaşı-İstiftaşı, Kumlu Biyoklastik Tanetaşı, Kumlu Biyoklastik Tanetaşı-İstiftaşı, Biyoklastik Pelloidal Tanetaşı, Biyoklastik Vaketaşı ve Kumtaşı mikrofasiyesleridir. Tanımlanan mikrofasiyeslerin yapılan biyofasiyes incelemelerine göre genel olarak zengin bir çeşitlilik ve bolluk sunan foraminifer faunasına sahip olduğu görülmektedir. Genel olarak stabil bir depolanma ortamını işaret eden alt-orta Vizeyen karbonatlarındaki foraminifer faunasının depolanma ortamındaki ufak değişimlerden olumsuz olarak etkilendiği görülmektedir.

Anahtar Kelimeler:

Toroslar, Hadim Napı, Vizeyen, Mikrofasiyes, Biyofasiyes

Microfacies and Biofacies Properties of the Lower-Middle Visean Succession of Hadim Nappe (Central Taurides, Southern TÜRKİYE)

The Hadim Nappe, which is one of the allochthonous tectono-stratigraphic unit of the Taurides, has a complete succession includes Middle(?)-Upper Devonian-Upper Cretaceous shallow marine carbonates and terrigenous rocks. According to the microfacies analyses of the lower-middle Viséan succession of the Bademli stratigraphic section, where the Hadim Nappe was well exposed, seven microfacies, which are inditacing Inner Platform Shoal, Restrict and/or Open Marine depositional environments, were indentified. These are; Bioclastic Grainstone, Bioclastic Grainstone-Packstone, Sandy Bioclastic Grainstone, Sandy Bioclastic Grainstone-Packstone, Bioclastic Pelloidal Grainstone, Bioclastic Wackestone and Sandstone microfacies. The identified microfacies have diverse and rich foraminiferal fauna based on the biofacies analyses. The foraminiferal fauna of the lower-middle Viséan carbonates, which generally indicates stable depositional environments, are adversely affected by minor changes in the depositional environments.

Keywords:

Taurides, Hadim Nappe, Viséan, Microfacies, Biofacies,

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