AEROMAG 1992 - High resolution aeromagnetic survey over Lersletten area of Central West Greenland
The Aeromag 1992 project covered Lersletten area (size: 8610 km²) in central West Greenland, just south of the southern edge of Disko Bay and the small village Ikamiut. Data were acquired and processed by Geoterrex Ltd.and financed by the government of Greenland with a contribution from Nunaoil A/S....
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| Format: | Dataset |
| Language: | unknown |
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GEUS Dataverse
2021
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| Online Access: | https://dx.doi.org/10.22008/fk2/lkmtby https://dataverse01.geus.dk/citation?persistentId=doi:10.22008/FK2/LKMTBY |
| Summary: | The Aeromag 1992 project covered Lersletten area (size: 8610 km²) in central West Greenland, just south of the southern edge of Disko Bay and the small village Ikamiut. Data were acquired and processed by Geoterrex Ltd.and financed by the government of Greenland with a contribution from Nunaoil A/S.The regular survey lines are oriented north-south with kilometer spacing and perpendicular tie-lines with 10 kilometers spacing. The area is situated within the Nagssugtoqidian mobile belt of the Precambrian Laurentian shield. The rocks of the Nagssugtoqidian belt consist mainly of Archaean basement, gneisses and supracrustal sequences, which have been reworked during Proterozoic time. Volcanic and plutonic rocks of Proterozoic juvenile origin, as well as Proterozoic supracrustal metasediments are also described. The tectonic structure of the Nagssugtoqidian is characterised by strong ENE linear trends, at places developed into steep belts with very strong shearing and sinistral displacement. Several massive to semi-massive sulphide horizons in supracrustal sequences are identified and have been classified as sedimentary stratiform deposits. |
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