List of Articles Upper Cretaceous Open Access Article Abstract Page Full-Text 1 - Upper Cretaceous Petroleum System of Northwestern Persian Gulf Ali Amirkhani Marziyeh Mirzakhanian Susan Sepahvand Sadoni Sadoni Open Access Article Abstract Page Full-Text 2 - Nannostratigraphy of Upper Cretaceous Sediments Northern Slopes of Central Alborz آذین Ahifar انوشیروان Kani معصومه Noori Open Access Article Abstract Page Full-Text 3 - Microbiostratigraphy of the Gurpi Formation in Mook Area (South of Shiraz) Mohammadreza Esmaeilbeig Khosro Khosrotehrani Open Access Article Abstract Page Full-Text 4 - Introduction of Calcareous Nannofossils (Santonian-Maastrichtian) From South East Isfahan in Central Iran Fatemeh Hadavi Khosro Khosrowtehrani Ali Aghanabati Mohammadreza Baniasadi Open Access Article Abstract Page Full-Text 5 - Microfacies and sedimentary environments of Gurpi and Pabdeh Formations and the type of Mesozoic– Cenozoic boundary in Fars province, Iran Mohammad Bahrami Mahnaz Parvanehnezhad Shirazi