Feb 22 (Reuters) - Barrick Gold Corp ABX.TO :
* Says expect to maintain annual gold production of at least 4.5 million ounces
of gold through 2020
* Reports results of studies on projects that have potential to add gold
production at cortez, goldrush, lagunas norte and turquoise ridge
* Says to defer the construction of an additional shaft in favor of a
three-phase approach for the development of turquoise ridge
* Source text for Eikon ID:nMKWd7qTza
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