Çamdağ Paleozoyiğinde Erken Ludloviyen (erken Geç Siluriyen) palinomorflar›, KB Anadolu

KB Anadolu’da Çamda¤ yöresinde yeni saptanan bir tektonik dilimde yüzeylenen F›nd›kl› formasyonuna ait fieylSilttafl› Üyesi tan›mlanabilir özellikteki akantomorfik akritarklar, prasinofit algler ve yass› yap›lardan oluflmufl zengin bir palinolojik topluluk içermektedir. Bunlardan Ammonidium ludlowense, Eisenackidium wenlockium, Gorgonisphaeridium listeri listeri ve Gorgonisphaeridium succinum gibi türler k›sa konakl› olduklar›ndan biyostratigrafik aç›dan önemlidirler ve erken Ludloviyen yafl›na iflaret ederler. Bu bulgu, KB Anadolu’daki ilk erken Geç Siluriyen palinolojik bulgusudur ve bu dönemde Çamda¤ alan›n›n Perigondwana kökenli ‹stanbul ve Balkan tektonik birliklerine göre k›taya daha yak›n konumda oldu¤unu gösterir.

Anahtar Kelimeler:

Çamdağ, erken Geç Siluriyen, KB Anadolu, paleocoğrafya, palinomorf

Early Ludlovian (early Late Silurian) palynomorphs from the Palaeozoic of Çamda¤, NW Anatolia, Turkey

In the Çamda¤ area in north-western Anatolia, newly discovered tectonic slices including the Shale-Siltstone Member of the F›nd›kl› formation yielded a diverse palynological association with determinable acanthomorphic acritarchs and prasinophyte algae and tabular structures. From these, the short-ranging species Ammonidium ludlowense, Eisenackidium wenlockium, Gorgonisphaeridium listeri listeri and G. succinum are of biostratigraphical interest as they are restricted to the early Ludlow. This is so far the first early Late Silurian palynological data fromNW Turkey and suggests that the deposition in the Çamda¤ area was more proximal, compared with the correlative units in the Perigondwanan ‹stanbul and Balkan Terranes.

Keywords:

Çamda¤, early Late Silurian, NW Turkey, paeleogeography, palynomorphs,

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