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Stratigraphy of Sargelu Formation (Middle Jurassic) at Sulaymania | ||
| Tikrit Journal of Pure Science | ||
| Article 1, Volume 18, Issue 4, 2013, Pages 309-318 | ||
| Authors | ||
| Abdul Aziz M. Al-Hamdani; Ammar J. Al-Taiiy | ||
| Abstract | ||
| The field and microscopic study of Sargelu Formation rocks (Bajocian–Bathonian) has been studied in two exposed sections (Sargelu, type section and Hanjer). Stratigraphically, the lower contact of studied two sections is conformable with Sehkaniyan Formation, whereas the upper one is unconformable with Naokelekan Formation. It is found that it is possible to divide the studied successions into two units, both characterized by easy facies correlation between selected sections. The lower bitumen-rich unit consists of laminated to massive bedded limestone rich in radiolaria and calcisphere; and dark, fissile, friable shale. While the upper unit starts by well bedded limestone rich in molds and casts of Mollusca, Ostracoda and Ammonite, and ends by distorted succession of thin-bedded limestone and thin banded radiolaria cherts. | ||
| Keywords | ||
| Stratigraphy; Sargelu; Middle Jurassic; Sulaymania; Northeastern; Iraq | ||
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