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Geologic setting, sedimentary architecture, and paragenesis of the mesoproterozoic sediment-hosted sheep creek Cu-Co-Ag deposit, Helena Embayment, Montana

Garth Graham, Auteur ; Murray W. Hitzman, Auteur ; Jerry Zieg, Auteur |

Dans Economic geology (Vol. 107 N° 6, Septembre/Octobre 2012)

The northern margin of the Helena Embayment contains extensive syngenetic to diagenetic massive pyrite horizons that extend over 25 km along the Volcano Valley-Buttress fault zone and extend up to 8 km basinward (south) within the Mesoproterozoi[...]

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