Using Remote Sensing Data to Delineate the Lineaments for Hydrothermal Mineral Prediction in Heqing Area, Northwest Yunnan Province, China

Mansour S Al-Mokredi*; Hu Guangdao (胡光道); Bassam F Al Bassam

Volume 18 Issue 2

Apr 2007

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Journal of Earth Science > 2007 > 18(2)

Mansour S Al-Mokredi*, Hu Guangdao (胡光道), Bassam F Al Bassam. Using Remote Sensing Data to Delineate the Lineaments for Hydrothermal Mineral Prediction in Heqing Area, Northwest Yunnan Province, China. Journal of Earth Science, 2007, 18(2).

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Using Remote Sensing Data to Delineate the Lineaments for Hydrothermal Mineral Prediction in Heqing Area, Northwest Yunnan Province, China

Faculty of Earth Resources， China University of G

Received Date: 15 Jul 2018
Rev Recd Date: 15 Jul 2018
Publish Date: 15 Jul 2018

Abstract

Abstract

Lineamentextractionandanalysisisoneoftheroutineworkinmappingmediumandlargeareasusingremotesensingdata,mostofwhicharesatelliteimages.LandsatEnhancedThematicMapper(ETM)of945×1232pixelssubsceneacquiredon21March2000coveringthenorthwesternpartofYunnanProvincehasbeendigitallyprocessedusingERMappersoftware.Thisarticleaimstoproducelineamentdensitymapthatpredictsfavorablezonesforhydrothermalmineraloccurrencesandquantifyspatialassociationsbetweentheknownhydrothermalmineraldeposits.Intheprocessoflineamentextractionanumberofimageprocessingtechniqueswereapplied.TheextractedlineamentswereimportedintoMapGISsoftwareandasuitablegridof100m×100mwaschosen.TheKrigingmethodwasusedtocreatethelineamentdensitymapofthearea.Theresultsshowthatremotesensingdatacouldbeusefultoextractthelineamentsinthearea.Theselineamentsarecloselycorrelatedwiththefaultsobtainedthroughothergeologicalinvestigationmethods.Oncomparingwithfielddatathelineament-densitymapidentifiestwoimportanthighprospectivezones,wherelarge-scaledepositsarealreadyexisting.Inadditionthemaphighlightsunrecognizedtargetareasthatrequirefollowupinvestigation.
- lineament extraction,
- hydrothermal mineral prediction,
- Kriging method,
- Heqing area (China)