Data integration for interpretive bedrock mapping in the Giyani area (South Africa)

Carranza, Emmanuel John M., Sadeghi, Martiya, and Billay, Alazar Y. (2013) Data integration for interpretive bedrock mapping in the Giyani area (South Africa). In: Proceedings of the 12th Biennial SGA Meeting (2), pp. 472-475. From: 12th Biennial SGA Meeting, 12-15 August 2013, Uppsala, Sweden.

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Abstract

The Giyani greenstone belt is situated in the Limpopo province of South Africa. All previous maps, field observations and available geo-data sets were integrated using image fusion to recognise lithological variations: Mafic and granitic rocks showed strong contrast in DEM. Single images of airborne radiometric data as well as composite maps of U showed very good correlations with lithology. Soil geochemistry data were interpolated, and principal components analysis was applied for major and trace elements, as well as ratio maps of geochemical data were used for interpretive bedrock mapping. All useful fused images were interpreted to compile a new bedrock map for follow-up fieldwork.

Item ID: 36235
Item Type: Conference Item (Research - E1)
ISBN: 978-91-7403-207-9
Keywords: predictive mapping, Giyani, South Africa, GIS, remote sensing
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Date Deposited: 12 Nov 2014 11:36
FoR Codes: 04 EARTH SCIENCES > 0403 Geology > 040399 Geology not elsewhere classified @ 25%
08 INFORMATION AND COMPUTING SCIENCES > 0806 Information Systems > 080699 Information Systems not elsewhere classified @ 50%
04 EARTH SCIENCES > 0402 Geochemistry > 040299 Geochemistry not elsewhere classified @ 25%
SEO Codes: 84 MINERAL RESOURCES (excl. Energy Resources) > 8401 Mineral Exploration > 840199 Mineral Exploration not elsewhere classified @ 100%
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