The sequence and correlation of Early Ordovician (Arenig) graptolite faunas in the Richardson Trough and Misty Creek Embayment, Yukon Territory and District of Mackenzie, Canada
Four graptolite biozones are recorded from the Arenig portion of the Road River Group in the Richardson and Mackenzie mountains in the Yukon and Northwest Territories. In ascending order, these zones are Tetragraptus approximatus, Pendeograptus fruticosus, Didymograptus bifidus, and Parisograptus ca...
Published in: | Canadian Journal of Earth Sciences |
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Online Access: | http://dx.doi.org/10.1139/e06-065 http://www.nrcresearchpress.com/doi/pdf/10.1139/e06-065 |
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crcansciencepubl:10.1139/e06-065 2023-12-17T10:33:15+01:00 The sequence and correlation of Early Ordovician (Arenig) graptolite faunas in the Richardson Trough and Misty Creek Embayment, Yukon Territory and District of Mackenzie, Canada Jackson, D E Lenz, A C 2006 http://dx.doi.org/10.1139/e06-065 http://www.nrcresearchpress.com/doi/pdf/10.1139/e06-065 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Earth Sciences volume 43, issue 12, page 1791-1820 ISSN 0008-4077 1480-3313 General Earth and Planetary Sciences journal-article 2006 crcansciencepubl https://doi.org/10.1139/e06-065 2023-11-19T13:39:38Z Four graptolite biozones are recorded from the Arenig portion of the Road River Group in the Richardson and Mackenzie mountains in the Yukon and Northwest Territories. In ascending order, these zones are Tetragraptus approximatus, Pendeograptus fruticosus, Didymograptus bifidus, and Parisograptus caduceus australis (new). The Castlemainian stage may be represented by nongraptolitic massive bedded chert. The Arenig–Llanvirn boundary is drawn below the first occurrence of Undulograptus austrodentatus. Fifty-four graptolite taxa are present, and 16 of these species and subspecies are recorded for the first time in this deep-water biotope, namely, Didymograptus? cf. adamantinus, D. asperus, D. dilatans, D. cf. kurcki, D. validus communis, Holmograptus aff. leptograptoides, H. sp. A, Isograptus? sp. nov. A, I. ? dilemma, Keblograptus geminus, Pseudisograptus manubriatus harrisi, Ps. m. koi, Ps. m. janus, Ps. cf. tau, Xiphograptus lofuensis, and Zygograptus cf. abnormis. Article in Journal/Newspaper Mackenzie mountains Northwest Territories Yukon Canadian Science Publishing (via Crossref) Yukon Northwest Territories Canada Janus ENVELOPE(163.100,163.100,-71.067,-71.067) Road River ENVELOPE(-134.938,-134.938,66.833,66.833) Misty Creek ENVELOPE(-131.187,-131.187,64.116,64.116) Canadian Journal of Earth Sciences 43 12 1791 1820 |
institution |
Open Polar |
collection |
Canadian Science Publishing (via Crossref) |
op_collection_id |
crcansciencepubl |
language |
English |
topic |
General Earth and Planetary Sciences |
spellingShingle |
General Earth and Planetary Sciences Jackson, D E Lenz, A C The sequence and correlation of Early Ordovician (Arenig) graptolite faunas in the Richardson Trough and Misty Creek Embayment, Yukon Territory and District of Mackenzie, Canada |
topic_facet |
General Earth and Planetary Sciences |
description |
Four graptolite biozones are recorded from the Arenig portion of the Road River Group in the Richardson and Mackenzie mountains in the Yukon and Northwest Territories. In ascending order, these zones are Tetragraptus approximatus, Pendeograptus fruticosus, Didymograptus bifidus, and Parisograptus caduceus australis (new). The Castlemainian stage may be represented by nongraptolitic massive bedded chert. The Arenig–Llanvirn boundary is drawn below the first occurrence of Undulograptus austrodentatus. Fifty-four graptolite taxa are present, and 16 of these species and subspecies are recorded for the first time in this deep-water biotope, namely, Didymograptus? cf. adamantinus, D. asperus, D. dilatans, D. cf. kurcki, D. validus communis, Holmograptus aff. leptograptoides, H. sp. A, Isograptus? sp. nov. A, I. ? dilemma, Keblograptus geminus, Pseudisograptus manubriatus harrisi, Ps. m. koi, Ps. m. janus, Ps. cf. tau, Xiphograptus lofuensis, and Zygograptus cf. abnormis. |
format |
Article in Journal/Newspaper |
author |
Jackson, D E Lenz, A C |
author_facet |
Jackson, D E Lenz, A C |
author_sort |
Jackson, D E |
title |
The sequence and correlation of Early Ordovician (Arenig) graptolite faunas in the Richardson Trough and Misty Creek Embayment, Yukon Territory and District of Mackenzie, Canada |
title_short |
The sequence and correlation of Early Ordovician (Arenig) graptolite faunas in the Richardson Trough and Misty Creek Embayment, Yukon Territory and District of Mackenzie, Canada |
title_full |
The sequence and correlation of Early Ordovician (Arenig) graptolite faunas in the Richardson Trough and Misty Creek Embayment, Yukon Territory and District of Mackenzie, Canada |
title_fullStr |
The sequence and correlation of Early Ordovician (Arenig) graptolite faunas in the Richardson Trough and Misty Creek Embayment, Yukon Territory and District of Mackenzie, Canada |
title_full_unstemmed |
The sequence and correlation of Early Ordovician (Arenig) graptolite faunas in the Richardson Trough and Misty Creek Embayment, Yukon Territory and District of Mackenzie, Canada |
title_sort |
sequence and correlation of early ordovician (arenig) graptolite faunas in the richardson trough and misty creek embayment, yukon territory and district of mackenzie, canada |
publisher |
Canadian Science Publishing |
publishDate |
2006 |
url |
http://dx.doi.org/10.1139/e06-065 http://www.nrcresearchpress.com/doi/pdf/10.1139/e06-065 |
long_lat |
ENVELOPE(163.100,163.100,-71.067,-71.067) ENVELOPE(-134.938,-134.938,66.833,66.833) ENVELOPE(-131.187,-131.187,64.116,64.116) |
geographic |
Yukon Northwest Territories Canada Janus Road River Misty Creek |
geographic_facet |
Yukon Northwest Territories Canada Janus Road River Misty Creek |
genre |
Mackenzie mountains Northwest Territories Yukon |
genre_facet |
Mackenzie mountains Northwest Territories Yukon |
op_source |
Canadian Journal of Earth Sciences volume 43, issue 12, page 1791-1820 ISSN 0008-4077 1480-3313 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/e06-065 |
container_title |
Canadian Journal of Earth Sciences |
container_volume |
43 |
container_issue |
12 |
container_start_page |
1791 |
op_container_end_page |
1820 |
_version_ |
1785587180146524160 |