ARCTIC

ABSTRACT. A nearly complete skeleton, including partially preserved feathers, of an Oldsquaw duck (Clangula hyemulis L.) was recovered from Holocene marine deposits in Clements Markham Inlet, Ellesmere Island, N.W.T., Canada. The specimen was 2 m lower in the section than allochthonous terrestrial p...

Full description

Bibliographic Details
Main Authors: Bp Oldsquaw Duck (clangula Hyemalis, Thomas G. Stewart, Jean Hourston-wright
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Published: 1989
Subjects:
Key words
Clangula hyemalis
Oldsquaw duck
feathers
Quaternary paleontology
arctic paleontology
Holocene
Ellesmere Island
Arctic
Canada
Clements Markham
Clements Markham Inlet
Markham
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.669.860
http://arctic.journalhosting.ucalgary.ca/arctic/index.php/arctic/article/viewFile/1617/1596/
Description
Summary:ABSTRACT. A nearly complete skeleton, including partially preserved feathers, of an Oldsquaw duck (Clangula hyemulis L.) was recovered from Holocene marine deposits in Clements Markham Inlet, Ellesmere Island, N.W.T., Canada. The specimen was 2 m lower in the section than allochthonous terrestrial plants previously dated at 6400 f 60 BP (SI-4314) and is estimated to be 6500 years old. These deposits rep-resent a marine, prodeltaic sedimentary environment that emerged from the fiord as the result of postglacial isostatic uplift. Comparison of the specimen’s present elevation and age with the inlet’s emergence curve indicates the duck was buried in a paleowater depth of 38 m. Isostatic uplift is ubiquitous in the Canadian Arctic, exposing ocean bottoms and prodeltas. The deposits from these environments deserve closer scrutiny for fossils by Quaternary scientists, as they can contribute to a better understanding of the biologic development of the Canadian Arctic.

Similar Items