Paper Information

Journal:   AMIRKABIR   FALL 2007- WINTER 2008 , Volume 18 , Number 67-C; Page(s) 27 To 34.
 
Paper: 

REMOVING THE EFFECT OF THE SYNGENETIC COMPONENT FROM GEOCHEMICAL STREAM SEDIMENT DATA USING FUZZY C-MEANS CLUSTERING METHOD: A CASE STUDY FROM NORTH OF TAKAB

 
 
Author(s):  SOLTANI MOHAMMADI SAEID, ALI NIA FIROUZ, KAVIANI D.
 
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Abstract: 

Geochemical exploration, using the stream sediment method, involves two components which control the oncentration of elements in the samples: syngenetic and epigenetic. The epigenetic component is the useful component for exploration. However, usually as the syngenetic component is stronger, it dwarfs the effect of epigenetic component. There are several methods that are used to eliminate the effect of syngenetic component on geochemical data; for example, separation of upstream rock groups, principal component analysis (PCA) and fuzzy c-means clustering method (FCM). The effect of the syngenetic component, from stream sediment samples obtained from North of Takab, was removed, using the fuzzy clustering method. Then results from this method were compared to results obtained from the separation of upstream rock groups method. Based on this comparison, FCM distinguished new anomalies and removed weak and virtual anomalies in some place. Furthermore, the software that was created for this purpose was explained.

 
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