DANISH MINISTRY OF THE ENVIRONMENT

Extract of the eastern part of the Ussuit map sheet showing the eastern part of the Nordre Isortoq steep belt which disappears underneath the Inland Ice. The rocks in this belt are dominated by Palaeoproterozoic garnet-biotite schists and gneisses with minor quartzite, quartz-dioritic gneiss, amphib...

Full description

Bibliographic Details
Main Authors: Jeroen A. M. Van Gool, Mogens Marker
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Subjects:
Nagssugtoqidian orogen
Palaeoproterozoic
Archaean
metamorphism
deformation
collisional tectonics
zircon geochronology
economic potential
Nordre Isortoq
Ussuit
Isortoq
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.624.1469
http://www.geus.dk/publications/maps/map3_p1-40.pdf
Description
Summary:Extract of the eastern part of the Ussuit map sheet showing the eastern part of the Nordre Isortoq steep belt which disappears underneath the Inland Ice. The rocks in this belt are dominated by Palaeoproterozoic garnet-biotite schists and gneisses with minor quartzite, quartz-dioritic gneiss, amphibolite and lenses of ultrabasic rock. This is the thickest continuous occurrence of metasedimentary rocks in the map area. The Nordre Isortoq steep belt is bound to the north and west by Archaean orthogneisses, including thin sheets of both Palaeopro-terozoic and Archaean supracrustal rocks. Frontispiece: facing page Layered amphibolite at the western end of the lake Ikorfiit Tasiat, in the south-western corner of the map area. The hills in the back-

Similar Items