â â â  â  â â â â â â â  abstract â  the abtalkh formation in the kopeh-dagh basin in northeastern iran with an age of late cretaceous (turonian – santonian) is selected to evaluate resolution of magnetic susceptibility for assessing sea level fluctuations. thirty-nine shale samples were collected and studied for magnetic susceptibility and palynology. assuming the average ms magnitude as the...

• Late Eocene continental climate in Central Asia remains poorly understood. Tibetan lake deposits preserve records of palaeoenvironmental changes. Saline lakes east-central Tibet existed a cool and semi-arid desert-steppe. aridification caused shift Asia. palaeoclimate was primarily influenced by regional to global drivers. Ancient detailed Cenozoic environmental changes, providing information...

Abstract We investigated the palynological organic matter (POM) recovered from shale horizons, intercalating Nubian-type sandstones in middle Egypt, for paleoenvironmental reconstruction. Our palynofacies are dominated by either amorphous (AOM) or phytoclasts whereas palynomorphs relatively rare, but not uncommon. The categories revealed two different types, reflecting estuarine/tidal and fluvi...