The Karouni Gold Deposit, Guyana, South America: Part II. Hydrothermal Alteration and Mineralization

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Abstract

The Karouni orogenic gold deposits are located in north-central Guyana 35 km to the west of the 5 Moz Omai gold deposit. They are hosted in a 2200 to 2100 Ma greenstone belt within the Paleo- to Neoproterozoic Guiana Shield. Karouni consists of two deposits, Smarts and Hicks, located 2 km apart along the NW-striking Smarts-Hicks shear zone. Both deposits are hosted within a sequence of greenschist facies mafic volcanic rocks and felsic intrusions. The hydrothermal alteration mineral assemblages vary according to lithology and are characterized by narrow selvages (

Original languageEnglish
Pages (from-to)1705-1732
Number of pages28
JournalEconomic Geology
Volume113
Issue number8
DOIs
Publication statusPublished - Dec 2018

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