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A SIMPLE MINERAL RESOURCE APPRAISAL MODEL FOR THE ZAMBALES
OPHIOLITE COMPLEX USING MULTIPLE REGRESSION ANALYSIS
 


Oscar C. Jagolino
National Institute of Geological Sciences
University of the Philippines
Diliman, Quezon City, Philippines

 

 

 

 

Abstract



The method of multiple regression analysis was applied to develop a simple linear functional model on the chromitite and related mineral resources in the Zambales Ophiolite Complex (ZOC). Using the quadrangle geologic maps on the area as base data, cells of about 6 x 11 km were made on which the variables were counted or measured. The dependent variable was set as the number of occurrences of chromitite or related deposits per cell and the independent variables were the fraction of areas underlain by dunite, peridotite, dike rocks, pillow basalts and ‘non-ophiolite’ rocks, the lengths of dunite-peridotite and dunite-gabbro boundaries and the number of prospects increases with the area of dunite and length of dunite to peridotite contact and decreases with the length of the dunite to gabbro contact.

 

 

 

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