Petrography, geochemistry and age of the Armina Formation Metaturbidites of the Coppename River, Suriname

Genevieve Wijngaarde, Salomon Kroonenberg, Paul R.D. Mason, Leo M. Kriegsman

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientific


The Armina Formation along the Coppename River is a part of the 2.26-2.10 Ga Paleoproterozoic Marowijne Greenstone Belt of Suriname. It is in faulted contact with the 2.08-2.05 Ga Bakhuis Granulite Belt. This paper studies the relation between these units based on field observations, petrographic, geochemical and age data. The metaturbidites show a volcanic arc-type setting in the north, and a continental arc setting in the south. No traces of any Bakhuis provenance could be demonstrated in the metaturbidites. Detrital zircons from the Armina metaturbidites show ages around 2162 ± 30 Ma, which is similar to the age of Armina Formation detrital zircons elsewhere in northern Suriname. As Bakhuis sillimanite gneisses also show inherited zircons between 2120 and 2150 Ma, the Bakhuis granulites and Armina metaturbidites protoliths might be coeval and share a common provenance area. Younger granites intruding the Armina metaturbidites show ages of 2005 (Voltzberg), 2004 (Raleigh Falls) and 1990 Ma (Vankaaikisula), slightly higher than most Wonotobo granites in western Suriname.
Original languageEnglish
Title of host publicationProceedings 11th Inter Guiana Geological Conference, Paramaribo, Suriname
Subtitle of host publicationMededeling Geologisch Mijnbouwkundige Dienst Suriname 29
Place of PublicationParamaribo
Number of pages5
Publication statusPublished - 19 Feb 2019
Externally publishedYes
Event11th Inter Guiana Geological Conference - Hotel Torarica, Paramaribo, Suriname
Duration: 19 Feb 202020 Feb 2020


Conference11th Inter Guiana Geological Conference


  • Armina Formation
  • Marowijne Greenstone Belt
  • Bakhuis Granulite Belt
  • detrital zircons
  • metaturbidites


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