scholarly journals Geochemical and Sm-Nd isotopic study of Paleoproterozoic basaltic and gabbroic rocks of the Hurwitz Group, Kaminak Lake area, Kivalliq region Northwest Territories

1999 ◽  
Author(s):  
C J Hemmingway ◽  
H A Sandeman
Keyword(s):  
Northwest Territories ◽  
Lake Area ◽  
Isotopic Study ◽  
Hurwitz Group

Paleoproterozoic stromatolites, Hurwitz Group, Quartzite Lake area, Northwest Territories, Canada

1998 ◽  
Vol 35 (3) ◽  
pp. 280-289 ◽  
Author(s):  
H J Hofmann ◽  
A Davidson
Keyword(s):  
North America ◽  
Northwest Territories ◽  
Baltic Shield ◽  
Hudson Bay ◽  
Lake Area ◽  
Hutuo Group ◽  
The Baltic ◽  
Hurwitz Group

Decimetric to metric domal stromatolites with constituent ministromatolites characterize reddish, 13C-enriched dolostones in the Watterson Formation of the Quartzite Lake area west of Hudson Bay. They provide paleontologic support for a correlation with the only other known early Paleoproterozoic stromatolite occurrences in North America: the Kona Formation of Michigan, and the Nash Formation in southern Wyoming. They also are similar to stromatolites in probable coeval Jatulian carbonates in Karelia on the Baltic Shield, and possibly to stromatolites in the Hutuo Group in China.

Initiation of ∼2.45-2.1 Ga intracratonic basin sedimentation of the Hurwitz Group, Keewatin Hinterland, Northwest territories, Canada

1997 ◽  
Vol 81 (3-4) ◽  
pp. 265-297 ◽  
Author(s):  
Lawrence B. Aspler ◽  
Jeffrey R. Chiarenzelli
Keyword(s):  
Northwest Territories ◽  
Intracratonic Basin ◽  
Hurwitz Group

Metamorphism of the Arseno Lake area, Northwest Territories

1978 ◽  
Author(s):  
P A Nielsen
Keyword(s):  
Northwest Territories ◽  
Lake Area

scholarly journals Additions to the Flora of the Continental Northwest Territories from the Great Slave Lake Area

2005 ◽  
Vol 119 (3) ◽  
pp. 437
Author(s):  
Paul M. Catling
Keyword(s):  
Northwest Territories ◽  
Native Species ◽  
Achillea Millefolium ◽  
Lake Area ◽  
Distinctive Features ◽  
Botanical Exploration ◽  
Galium Aparine ◽  
Great Slave Lake ◽  
Sonchus Arvensis ◽  
Eleven Species

Eleven species are reported as new to the flora of the continental Northwest Territories. The new native species include Artemesia dracunculus, Chenopodium leptophyllum, Eleocharis erythropoda, Panicum capillare, Schoenoplectus pungens and Symphyotrichum lanceolatum subsp. hesperium var. hesperium. New alien species reported include Achillea ptarmica, Chaenorhinum minus, Galium aparine, Malva neglecta and Silene cserei. Sonchus arvensis, previously reported, is based on material referable to a subsp. uliginosus. Forms new to the flora include Achillea millefolium f. rosea and Actaea rubra f. neglecta. Locations, habitats and distinctive features are provided for the additional taxa. The Hay River lowland ecoregion is a floristically rich area that deserves more botanical exploration. Erratum included.

Early Aphebian basaltic volcanism in the southern District of Keewatin, Northwest Territories

1976 ◽  
Vol 13 (7) ◽  
pp. 1003-1005 ◽  
Author(s):  
Roy V. Beavon
Keyword(s):  
Northwest Territories ◽  
Geological Survey ◽  
Basaltic Volcanism ◽  
Dike Swarm ◽  
Southern District ◽  
Hurwitz Group ◽  
Textural Evidence ◽  
Archean Basement

A thin formation of folded mafic flows resting unconformably on Archean basement is informally named the Spi Lake basalt. Stratigraphic, structural, and textural evidence suggests that these lavas were probably fed from a diabase dike swarm dated at 2250+ m.y. by the Geological Survey of Canada. The Spi Lake basalt is overlain by conglomerate that may represent the base of the Hurwitz Group.

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