نتایج جستجو برای: lower paleocene

تعداد نتایج: 692817  

Journal: :Science 1984
A Sahni

Recent paleontological investigations of six sections fringing the Deccan volcanic outcrops of the Indian peninsula indicate that terrestrial faunas during the Cretaceous-Paleocene transition lacked the endemism predicted by geophysical models of an oceanically isolated Indian subcontinent. At the generic and familial level there is a close correspondence between the Cretaceous vertebrates of p...

2012
Gregory W. Stull Fabiany Herrera Steven R. Manchester Carlos Jaramillo Bruce H. Tiffney Mark P. Simmons

The Phytocreneae (Icacinaceae) are a tribe of scrambling shrubs and lianas presently distributed in tropical Africa, Madagascar, and Indo-Malesia. We describe the oldest known fossils of this tribe and provide the first recognition of this group in the Neotropical fossil record based on distinctive fruit remains. Palaeophytocrene piggae sp. nov., from the late Paleocene of western North America...

Journal: :geopersia 2012
bahram alizadeh behzada khani majid alipour masoud shayesteh seyed hossein hosseini

dezful embayment contains several potential source rocks deposited in tectonically active environments. existence of various source rocks with different geological ages makes this area one of the most prolific regions throughout the middle east. the pabdeh formation (lower paleocene-eocene), the gurpi formation (santonian-masstrichtian), the kazhdumi formation (albian) and the gadvan formation ...

Journal: :Journal of the Royal Society of New Zealand 1997

Journal: :Carnets de géologie (Notebooks on geology) 2014

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1376

saluk mount is selected for devonian biostratigraphy. this area located at southwest of bojnurd. in this study three sections are selected and two sections, chahar-borj and tabar sections with a thickness of 650 m, which consist mainly of calcareous sediments was studied in detailed but third section, qelli section, with a thickness of about 450m which consist mainly of sandstone and evaporates...

Journal: :Arabian Journal of Geosciences 2023

Abstract Besides nitrate deposits located in the Atacama Desert of Chile and Mojave California, present work documents, for first time, occurrence potassium as oval-suboval-shaped aggregations associated with Late Maastrichtian-Early Paleocene Dakhla Shale Paleocene-Early Eocene Esna encountered northeastern part Kharga Oasis, particularly at G. Um El-Ghanayem Ghaneima. Consequently, integrated...

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