ISSN:
1420-9136
Schlagwort(e):
Geothermics
;
heat flow
;
Northwest Canada
;
basin studies
;
heat flow variations
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Geologie und Paläontologie
,
Physik
Notizen:
Abstract Temperature data from deep petroleum exploration wells and thermal conductivity estimates based on net rock analysis data have been used to make terrestrial heat flow estimates along two profiles across the sedimentary strata of the Mackenzie Delta, northern Yukon, and offshore Beaufort Sea regions. Both profiles exhibit low heat flow values that range from 34 mWm−2 to 58 mWm−2, and little change occurs over large distances in the continental part of the area. Low heat flow values (〈40 mWm−2) occur in the Beaufort-Mackenzie Basin and Rapid Depression, both of which are areas of thick successions of Cretacecus and Tertiary clastic sedimentary strata. High heat flow values of almost 80 mWm−2 occur to the south in the Taiga Nahoni Foldbelt and values as high as 60 mWm−2 are indicated along the Aklavik Arch Complex, northeast of Aklavik. The regional variations of effective thermal conductivity are insufficient to account for the heat flow variations along the profiles, and so these may indicate deep radiogenic or other heat sources.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1007/BF00881749
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