Abstract A 200 m thick drill core penetrating the Givetian Hahnstätten Reef in southwestern Lahn Syncline (Rhenish Massif) was investigated. range of different depositional environments is described based on lithofacies and microfacies analysis. All all, nine types (FTs) are distinguished, which can include subfacies types. The majority these ultrapure carbonates represented by lime mudstone fe...

We present the geomorphological map of northwestern part Kurdistan Region Iraq, where landscape expresses tectonic activity associated with Arabia-Eurasia convergence and Neogene climate change. These processes influenced evolution landforms fluvial pathways, major rivers Tigris, Khabur, Great Zab incise Northeastern Mesopotamia Anticlinal ridges syncline trough compose Zagros orogen. The devel...

Zircons from charnockitoids of the Tashlyk complex Pryinhul syncline were studied and dated in order to determine their chronostratigraphic position. two age generations identified, namely Early Archean (ca. 3 Ga) Proterozoic (2.0±0.1 Ga). The presence former generation indicates that protolith for charnockites have been represented by rocks older than Spasove Series, which is considered be age...

The sealing ability of caprock is affected by many factors, such as cap thickness, displacement pressure, fracture development, and lithology caprock. Shale one the ideal materials for oil gas formation due to its low porosity permeability. Microfractures can destroy property shale When buried deep enough, will change from toughness brittleness. In general, greater brittleness shale, more devel...