NDLI: Integration of ASTER and airborne geophysical data for mineral exploration and environmental mapping: a case study, Gabal Dara, North Eastern Desert, Egypt

Content Provider	Springer Nature Link
Author	Gemail, Kh. Abd El Rahman, N. M. Ghiath, B. M. Aziz, R. N.
Copyright Year	2016
Abstract	Remote sensing ASTER-SWIR data and airborne geophysical techniques are cost effective and accurate mapping tools for mineral exploration and environmental mapping, compared with the conventional geological methods. In the present work, the ASTER data, airborne gamma ray spectrometry and magnetic techniques were applied for mapping alteration and/or mineralization zones in the granitic rocks of Gabal Dara area. In addition, the natural dose rate was calculated and compared with stream networks and structural lineaments to define the potential hazards caused by anomalous distribution of natural radioelements. In Gabal Dara area, Syeno-granite unit was considered as a mapping target due to the high concentration of radioactive materials as indicated from gamma-ray spectrometry data. Remote sensing techniques and airborne geophysical data analysis through GIS based modeling were jointly applied in a mineral exploration context to identify radioactive rich potential areas in the considered area. The obtained results illustrate the efficiency of the integrated methodological approach as an effective tool to provide information on alteration minerals which are valuable for mineral exploration activities and support the role of ASTER VNIR-SWIR and airborne geophysical data integration as a very effective tool and robust image processing technique for that purpose. The constructed vector maps can be used as a guide for further follow-up of radioelement and mineral exploration works and for environmental monitoring in the area.
Starting Page	1
Ending Page	12
Page Count	12
File Format	PDF
ISSN	18666280
Journal	Environmental Earth Sciences
Volume Number	75
Issue Number	7
e-ISSN	18666299
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-03-29
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Principal component Gamma-spectrometry Alteration zones Natural radiation Dose rate Geology Hydrology/Water Resources Geochemistry Environmental Science and Engineering Terrestrial Pollution Biogeosciences
Content Type	Text
Resource Type	Article
Subject	Global and Planetary Change Earth-Surface Processes Soil Science Environmental Chemistry Pollution Geology Water Science and Technology

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