April 3 (Reuters) - Almaden Minerals Ltd AMM.TO -
* Almaden reports 41% after-tax IRR from pre-feasibility study, updated resource and production target of 2019 for the Ixtaca precious metals project, Mexico
* Total estimated initial capital cost for Ixtaca gold-silver project is $116.9 million Source text for Eikon: ID:nMKWVNKX8a Further company coverage: AMM.TO