نتایج جستجو برای: lower miocene

تعداد نتایج: 697574  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
Salvador Moyà-Solà David M Alba Sergio Almécija Isaac Casanovas-Vilar Meike Köhler Soledad De Esteban-Trivigno Josep M Robles Jordi Galindo Josep Fortuny

The great ape and human clade (Primates: Hominidae) currently includes orangutans, gorillas, chimpanzees, bonobos, and humans. When, where, and from which taxon hominids evolved are among the most exciting questions yet to be resolved. Within the Afropithecidae, the Kenyapithecinae (Kenyapithecini + Equatorini) have been proposed as the sister taxon of hominids, but thus far the fragmentary and...

2004
Gildas Merceron Cécile Blondel Michel Brunet Sevket Sen Nikos Solounias Laurent Viriot Emile Heintz

Dental microwear of Late Miocene artiodactyls from Afghanistan can yield information on paleodiet and thus inferences can be drawn about their paleoenvironment. The ‘‘Molayan’’ locality lies at the border between the Greek–Iranian and Siwalik bioprovinces. Knowledge of the paleoenvironment will further our understanding of the faunal exchanges between these two provinces during the Late Miocene...

Journal: :Palaeogeography, Palaeoclimatology, Palaeoecology 2022

Australia hosts some of Earth's oldest regoliths. They were preserved through geological time thanks to exceptionally low erosion rates affecting large parts this continent. Accurate chronological constraints about their formation and evolution are abundant in its northern western regions. However, they remain underexplored southern eastern parts, limiting our knowledge the extent impact Cenozo...

2001
D. A. Schneider P. K. Zeitler W. S. F. Kidd M. A. Edwards

We examine the timing of deformation and exhumation of the Nanga Parbat-Haramosh massif in the western syntaxis of the Himalaya. This study presents geochronologic and thermochronologic data obtained from basement, shear zone, and intrusive units within the massif to reveal the Cenozoic tectonic evolution of the massif and to document the extent of the Plio-Pleistocene tectonic activity. These ...

2006
David R. Begun

Hominoids, or taxa identified as hominoids, are known from much of Africa, Asia, and Europe since the Late Oligocene. The earliest taxa, fromAfrica, resemble extant hominoids but share with them mainly primitive characters. Middle and Late Miocene taxa are clearly hominoids, and by the end of the Middle Miocene most can be attributed to either the pongine (Pongo) or hominine (African ape and hu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده علوم 1391

نظر به اهمیت کنودونت‎ها در تقسیمات چینه‎نگاری پالئوزوئیک و گسترش قابل توجه نهشته‎های دونین پسین و کربونیفر پیشین در منطقه کرمان سه برش چینه‎شناسی (حور، هوتک و شمس آباد) در شمال استان کرمان انتخاب و بویژه بر اساس کنودونت‎ها و بقایای ماهیان مورد مطالعه قرار گرفتند. مجموعه کنودونت‎های بدست آمده از برش حور شامل 20 گونه متعلق به دو جنس polygnathus و icriodus بوده و سنی معادل فرازنین پسین را نشان می‎...

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