AN EARLY PRECAMBRIAN SUPPOSED CONGLOMERATE IN THE FISKENÆSSET AREA
gossan zone was discovered in the Fiskenæsset area, West Greenland. Blasting showed a rock composed of well rounded rock fragments (mainly gneiss and ultrabasic rocks) in a matrix consisting mainly of pyrrhotite and pyrite. The zone can be traced for more than 30 km with a width of only 1.5 m, and a...
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| Language: | English |
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.545.1890 http://2dgf.dk/xpdf/bull21-01-11-17.pdf |
| Summary: | gossan zone was discovered in the Fiskenæsset area, West Greenland. Blasting showed a rock composed of well rounded rock fragments (mainly gneiss and ultrabasic rocks) in a matrix consisting mainly of pyrrhotite and pyrite. The zone can be traced for more than 30 km with a width of only 1.5 m, and all observations so far indicate a conform-able position within the surrounding rocks on a major scale. Local variations in width are believed to be due strong folding. An origin as an intrusive breccia cannot be rejected, but a sedimentary origin seems most probable to the author. |
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