Document Details

Document Type : Article In Journal 
Document Title :
A Gravity and Magnetic Study of the Arba'at Area, Red Sea Hills, Sudan'
دراسة جاذبية ومغنطيسية الأرض لمنطقة أربعات بجبال البحر الأحمر ، السودان
 
Subject : Earth Sciences 
Document Language : English 
Abstract : Detailed gravity and magnetic measurements made in Khor Arba'at and the adjoining coastal plain region provide a better definition of the near surface geological features. The Nakasib Shear Zone (NSZ), which represents a reworked suture between two island arcs, is characterized by a gravity low and exhibits a lack of magnetic anomaly. The edges of NSZ, however, display magnetic anomaly associations where the shear zone rocks present a substantial magnetic susceptibility contrast with the surrounding rocks, such as ophiolites. The post-tectonic intrusion of the Arba'at granite has a well defined gravity low which suggests a westward extension of the granite body into the shear zone rocks. The main Arba'at intrusion is estimated to be about 6 km thick. The coastal plain basin containing Mid-Tertiary and younger sediments appear to be laterally segmented by the subsurface relief of the Proterozoic basement. Gravity data suggest a local thickening of sediments in the southern part of the area. Evidence for a regional subsurface fault offsetting the Cenozoic sediments beneath the Recent sediments of the coastal plain is lacking 
ISSN : 1012-8832 
Journal Name : Earth Sciences Journal 
Volume : 5 
Issue Number : 1 
Publishing Year : 1412 AH
1992 AD 
Number Of Pages : 14 
Article Type : Article 
Added Date : Sunday, October 11, 2009 

Researchers

Researcher Name (Arabic)Researcher Name (English)Researcher TypeDr GradeEmail
وارث أ. ك . وارثيWARIS E. K. WARSIResearcher  
ديفيد ك. ألموند DAVID C. ALMONOResearcher  
عبدالعزيز أ. عثمان ABDULAZIZ A. OSMANResearcher  

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