Stratigraphy and sedimentology of Middle Cambrian to Lower Ordovician shallow water carbonate rocks, western Newfoundland
Detailed lithostratigraphic analysis and new fossil data have resulted in a revised and refined stratigraphic and sedimentologic framework for the autochthonous, Middle Cambrian to Lower Ordovician, shallow water sedimentary sequence in western Newfoundland. Study of five separate localities, spanni...
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Memorial University of Newfoundland
1977
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Online Access: | https://research.library.mun.ca/6906/ https://research.library.mun.ca/6906/1/ReneJosephLevesque.pdf https://research.library.mun.ca/6906/3/ReneJosephLevesque.pdf |
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ftmemorialuniv:oai:research.library.mun.ca:6906 2023-10-01T03:57:36+02:00 Stratigraphy and sedimentology of Middle Cambrian to Lower Ordovician shallow water carbonate rocks, western Newfoundland Levesque, Rene Joseph 1977 application/pdf https://research.library.mun.ca/6906/ https://research.library.mun.ca/6906/1/ReneJosephLevesque.pdf https://research.library.mun.ca/6906/3/ReneJosephLevesque.pdf en eng Memorial University of Newfoundland https://research.library.mun.ca/6906/1/ReneJosephLevesque.pdf https://research.library.mun.ca/6906/3/ReneJosephLevesque.pdf Levesque, Rene Joseph <https://research.library.mun.ca/view/creator_az/Levesque=3ARene_Joseph=3A=3A.html> (1977) Stratigraphy and sedimentology of Middle Cambrian to Lower Ordovician shallow water carbonate rocks, western Newfoundland. Masters thesis, Memorial University of Newfoundland. thesis_license Thesis NonPeerReviewed 1977 ftmemorialuniv 2023-09-03T06:46:07Z Detailed lithostratigraphic analysis and new fossil data have resulted in a revised and refined stratigraphic and sedimentologic framework for the autochthonous, Middle Cambrian to Lower Ordovician, shallow water sedimentary sequence in western Newfoundland. Study of five separate localities, spanning a distance of 285 km., indicates that much more of this 900 metre thick sequence Is of Cambrian age and much Less of Ordovician age than previously reported. -- The oldest units studied are of late Lower Cambrian age and can be recognized in three of the five localities where they are named the Degras Formation (at the Port-au-Port Peninsula), the Penguin Cove Formation (at Goose Arm), and the Hawke Bay Formation (at Bonne Bay). These thick-bedded, supermature, quartzose sandstones are interpreted to have formed as a system of barrier bars or beaches. -- An overlying succession of distinctive. Middle and Upper Cambrian, limestones, dolostones, and shales is recognized from Port-au-Port in the south to Hawkes Bay in the north. This succession is variously known as the March Point (revised) and overlying Petit Jardin (revised) Formations at Port-au-Port, the Wolf Brook (proposed) and overlying Blue Cliff (proposed) Formations at Goose Arm, the South Head (proposed) and overlying East Arm (revised) Formations at Bonne Bay, and the upper Hawke Bay Formation at Hawkes Bay. -- Middle and Upper Cambrian rocks are characterized by conspicuously cyclic, "high-energy" lithofacies and comprise two large scale sequences which repeat, in vertical succession, as many as three times: (I) thin-bedded sequences composed of flaser bedded limestone and shale intercalated with occasional beds of edgewise conglomerate, stromatolites, and oolite, interpreted as a mixed carbonate-sillciclastlc tidal flat and (2) thick-bedded sequences composed of intraformational conglomerate, in places oncolitic, cross-bedded oolite, and laminated, mud cracked calcilutite, interpreted as carbonate sand shoals or barrier islands. -- The succeeding Lower ... Thesis Newfoundland Memorial University of Newfoundland: Research Repository Barrier Islands ENVELOPE(-92.283,-92.283,62.784,62.784) East Arm ENVELOPE(62.875,62.875,-67.600,-67.600) Hawke Bay ENVELOPE(-55.998,-55.998,53.017,53.017) Hawkes ENVELOPE(167.700,167.700,-73.533,-73.533) Hawkes Bay ENVELOPE(-57.215,-57.215,50.617,50.617) Penguin Cove ENVELOPE(69.633,69.633,-48.983,-48.983) |
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Open Polar |
collection |
Memorial University of Newfoundland: Research Repository |
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ftmemorialuniv |
language |
English |
description |
Detailed lithostratigraphic analysis and new fossil data have resulted in a revised and refined stratigraphic and sedimentologic framework for the autochthonous, Middle Cambrian to Lower Ordovician, shallow water sedimentary sequence in western Newfoundland. Study of five separate localities, spanning a distance of 285 km., indicates that much more of this 900 metre thick sequence Is of Cambrian age and much Less of Ordovician age than previously reported. -- The oldest units studied are of late Lower Cambrian age and can be recognized in three of the five localities where they are named the Degras Formation (at the Port-au-Port Peninsula), the Penguin Cove Formation (at Goose Arm), and the Hawke Bay Formation (at Bonne Bay). These thick-bedded, supermature, quartzose sandstones are interpreted to have formed as a system of barrier bars or beaches. -- An overlying succession of distinctive. Middle and Upper Cambrian, limestones, dolostones, and shales is recognized from Port-au-Port in the south to Hawkes Bay in the north. This succession is variously known as the March Point (revised) and overlying Petit Jardin (revised) Formations at Port-au-Port, the Wolf Brook (proposed) and overlying Blue Cliff (proposed) Formations at Goose Arm, the South Head (proposed) and overlying East Arm (revised) Formations at Bonne Bay, and the upper Hawke Bay Formation at Hawkes Bay. -- Middle and Upper Cambrian rocks are characterized by conspicuously cyclic, "high-energy" lithofacies and comprise two large scale sequences which repeat, in vertical succession, as many as three times: (I) thin-bedded sequences composed of flaser bedded limestone and shale intercalated with occasional beds of edgewise conglomerate, stromatolites, and oolite, interpreted as a mixed carbonate-sillciclastlc tidal flat and (2) thick-bedded sequences composed of intraformational conglomerate, in places oncolitic, cross-bedded oolite, and laminated, mud cracked calcilutite, interpreted as carbonate sand shoals or barrier islands. -- The succeeding Lower ... |
format |
Thesis |
author |
Levesque, Rene Joseph |
spellingShingle |
Levesque, Rene Joseph Stratigraphy and sedimentology of Middle Cambrian to Lower Ordovician shallow water carbonate rocks, western Newfoundland |
author_facet |
Levesque, Rene Joseph |
author_sort |
Levesque, Rene Joseph |
title |
Stratigraphy and sedimentology of Middle Cambrian to Lower Ordovician shallow water carbonate rocks, western Newfoundland |
title_short |
Stratigraphy and sedimentology of Middle Cambrian to Lower Ordovician shallow water carbonate rocks, western Newfoundland |
title_full |
Stratigraphy and sedimentology of Middle Cambrian to Lower Ordovician shallow water carbonate rocks, western Newfoundland |
title_fullStr |
Stratigraphy and sedimentology of Middle Cambrian to Lower Ordovician shallow water carbonate rocks, western Newfoundland |
title_full_unstemmed |
Stratigraphy and sedimentology of Middle Cambrian to Lower Ordovician shallow water carbonate rocks, western Newfoundland |
title_sort |
stratigraphy and sedimentology of middle cambrian to lower ordovician shallow water carbonate rocks, western newfoundland |
publisher |
Memorial University of Newfoundland |
publishDate |
1977 |
url |
https://research.library.mun.ca/6906/ https://research.library.mun.ca/6906/1/ReneJosephLevesque.pdf https://research.library.mun.ca/6906/3/ReneJosephLevesque.pdf |
long_lat |
ENVELOPE(-92.283,-92.283,62.784,62.784) ENVELOPE(62.875,62.875,-67.600,-67.600) ENVELOPE(-55.998,-55.998,53.017,53.017) ENVELOPE(167.700,167.700,-73.533,-73.533) ENVELOPE(-57.215,-57.215,50.617,50.617) ENVELOPE(69.633,69.633,-48.983,-48.983) |
geographic |
Barrier Islands East Arm Hawke Bay Hawkes Hawkes Bay Penguin Cove |
geographic_facet |
Barrier Islands East Arm Hawke Bay Hawkes Hawkes Bay Penguin Cove |
genre |
Newfoundland |
genre_facet |
Newfoundland |
op_relation |
https://research.library.mun.ca/6906/1/ReneJosephLevesque.pdf https://research.library.mun.ca/6906/3/ReneJosephLevesque.pdf Levesque, Rene Joseph <https://research.library.mun.ca/view/creator_az/Levesque=3ARene_Joseph=3A=3A.html> (1977) Stratigraphy and sedimentology of Middle Cambrian to Lower Ordovician shallow water carbonate rocks, western Newfoundland. Masters thesis, Memorial University of Newfoundland. |
op_rights |
thesis_license |
_version_ |
1778529292455510016 |