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pro vyhledávání: '"Alex H. Paul"'
Autor:
Scott L. Manske, Alex H. Paul
Publikováno v:
Economic Geology. 97:197-220
A new porphyry copper deposit has been discovered in the Superior (Pioneer) district of east-central Arizona, lying under thick Tertiary cover approximately 2 km south of the historic Magma vein. The porphyry center was encountered in the course of a