Petrography and palaeomagnetism of the basalts, southwest Harrat Rabat, Saudi Arabia
نویسندگان
چکیده
منابع مشابه
Geochronological dating and stratigraphic sequences of Harrat Lunayyir, NW Saudi Arabia
Harrat Lunayyir is a basaltic volcanic field in NW Saudi Arabia. Lava flows are basaltic to basanitic in composition, and the Holocene flows are alkali olivine basalts. The volcanic field contains about 50 cones that were constructed on Precambrian crystalline rocks along an N-S axis. The dominantly basaltic lavas of Harrat Lunayyir have been divided based on their erosion characteristics into ...
متن کاملPetrography and geochemistry of the Kahrizbeyg intrusion, southwest of Zanjan
The Kahrizbeyg pluton is located northwest of Iran in Central Iran zone. It is emplaced into the Cretaceous limestones in which contact metamorphism has happened. Meanwhile, rock fragments of this pluton are found in conglomerate units of Early Oligocene Lower Red Formation. Therefore, the relative age of pluton is between Cretaceous and Oligocene. The Kahrizbeyg pluton consists of granite and ...
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"Broadcast" theory is one of the common theories explaining how phenomena and ideas spread. It is used by researchers in different fields of study. Having studied broadcast theory and its different components, this article tries to represent whether Islamic revolution of Iran has exerted influence on Saudi Arabia. And if positive, how it has influenced and how much it has been. The results sug...
متن کاملMolecular investigation of mixed malaria infections in southwest Saudi Arabia.
OBJECTIVE To investigate the incidence of mixed-species (MS) malaria infection, and compare the results with microscopically confirmed cases of malaria. METHODS During 2010, blood spots collected from 371 clinically suspected cases of malaria were microscopically examined in a cross-sectional study. The DNA was extracted from the samples, and a nested polymerase chain reaction (PCR) was perfo...
متن کاملMolecular investigation of mixed malaria infections in Southwest Saudi Arabia
Objective: To investigate the incidence of mixedspecies (MS) malaria infection, and compare the results with microscopically confirmed cases of malaria. Methods: During 2010, blood spots collected from 371 clinically suspected cases of malaria were microscopically examined in a cross-sectional study. The DNA was extracted from the samples, and a nested polymerase chain reaction (PCR) was perfor...
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ژورنال
عنوان ژورنال: Geophysical Journal International
سال: 1989
ISSN: 0956-540X,1365-246X
DOI: 10.1111/j.1365-246x.1989.tb02051.x