The present work deals with geochemical characteristics and radioactivity of basaltic rocks from Dokhan Volcanics, gift-queseir road, Eastern desert, Egypt.
Geochemically, the studied Dokhan Volcanics seem to have originated from calc-alkaline magmas which were developed in an island arc tectonic setting. The basaltic volcanics (~2.5km2) posses an elongate outcrop with N-S long axis. Normalized trace element patterns show enrichment in LILEs (Rb, Ba, K, Th) relative to HFSEs (Nb, Zr, P, and Ti) and are very similar to calc-alkaline subduction-related rocks from orogenic belts. A subduction-related tectonic setting for the emplacement of the investigated rocks is indicated by the petrological and geochemical evidences.
The concentrations of U and Th in the studied Dokhan volcanics were controlled by magmatic processes indicated by the positive relation between U and Th and U-Zr in addition to weak negative relation between U and K/Rb.
EL NAHAS, A. A. (2007). GEOCHEMICAL CHARACTERISTCS AND URANIUM-THORIUM DISTRBUTION OF BASALTIC ROCKS FROM DOKHAN VOLCANICS, QIFT-QUESEIR ROAD, EASTERN DESERT OF EGYPT. Delta Journal of Science, 31(1), 73-83. doi: 10.21608/djs.2007.152989
MLA
ATEF A. EL NAHAS. "GEOCHEMICAL CHARACTERISTCS AND URANIUM-THORIUM DISTRBUTION OF BASALTIC ROCKS FROM DOKHAN VOLCANICS, QIFT-QUESEIR ROAD, EASTERN DESERT OF EGYPT". Delta Journal of Science, 31, 1, 2007, 73-83. doi: 10.21608/djs.2007.152989
HARVARD
EL NAHAS, A. A. (2007). 'GEOCHEMICAL CHARACTERISTCS AND URANIUM-THORIUM DISTRBUTION OF BASALTIC ROCKS FROM DOKHAN VOLCANICS, QIFT-QUESEIR ROAD, EASTERN DESERT OF EGYPT', Delta Journal of Science, 31(1), pp. 73-83. doi: 10.21608/djs.2007.152989
VANCOUVER
EL NAHAS, A. A. GEOCHEMICAL CHARACTERISTCS AND URANIUM-THORIUM DISTRBUTION OF BASALTIC ROCKS FROM DOKHAN VOLCANICS, QIFT-QUESEIR ROAD, EASTERN DESERT OF EGYPT. Delta Journal of Science, 2007; 31(1): 73-83. doi: 10.21608/djs.2007.152989