Albian-Cenomanian Zonation (Foraminifers and Calcareous Aglae) in the Northern Fars, Iran
نویسندگان
چکیده
منابع مشابه
New Albian-Cenomanian crabs (Crustacea, Decapoda, Podotremata) from Monte Orobe, Navarra, northern Spain
Collections made by Máximo Ruiz de Gaona and Luis Via Boada between 1940 and 1982, from the Albian-Cenomanian reefal limestones at Monte Orobe (Navarra, northern Spain), now housed at the Museo Geológico del Seminario de Barcelona together with newly recovered material, have enabled the recognition of two new primitive crabs. A new genus, Viaia n. gen. (type: Viaia robusta n. sp.), is compared ...
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BACKGROUND Neural tube defects (NTD) are one of the leading causes of infant mortality worldwide. This study was designed to determine the prevalence of NTDs among native Fars ethnic groups during 1998-2005, and to identify maternal and demographic factors associated with NTDs. METHODS We performed a descriptive cross-sectional hospital-based study in Dezyani Hospital, Gorgan, North of Iran, ...
متن کاملEarly angiosperm ecology: evidence from the Albian-Cenomanian of Europe.
BACKGROUND AND AIMS The mid-Cretaceous is a period of sudden turnover from gymnosperm to angiosperm-dominated floras. The aim was to investigate the fossil plant ecology in order to follow the spread of angiosperm taxa. METHODS Floristic lists and localities from the latest Albian-Cenomanian of Europe are analysed with Wagner's Parsimony Method, a clustering method currently used in phylogeny...
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Well preserved nannofossil assemblages in upper Albian and lower Cenomanian hemipelagic sections from Ocean Drilling Program (ODP) Leg 171B preserve a record of the early history and adaptive radiation of the genus Eiffellithus. Seven distinct taxa are recognized and differentiated, with one previously named taxon (E. monechiae) emended and four new species described: E. praestigium, E. vonsali...
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این پژوهش با هدف "بررسی وضعیت موجود آموزش عالی مجازی در ایران و راههای توسعه و ارتقای آن " و با روش توصیفی-تحلیلی و پیمایشی صورت پذیرفته است. بررسی اسنادو مدارک موجود در زمینه آموزش مجازی نشان داد تعداد دانشجویان و مقاطع تحصیلی و رشته محل های دوره های الکترونیکی چندان مطلوب نبوده و از نظر کیفی نیز وضعیت شاخص خدمات آموزشی اساتید و وضعیت شبکه اینترنت در محیط آموزش مجازی نامطلوب است.
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ژورنال
عنوان ژورنال: American Journal of Applied Sciences
سال: 2009
ISSN: 1546-9239
DOI: 10.3844/ajas.2009.709.714