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Vega-Phroso Siltstone Member

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Journal Article
Published: 01 December 1997
Bulletin of Canadian Petroleum Geology (1997) 45 (4): 715-718.
... recovered from outcrop in the time-equivalent Vega-Phroso Siltstone Member of the Sulphur Mountain Formation near Wapiti Lake in British Columbia. Albertonia is a member of the ganoid fish family Parasemionotidae, which is amongst the most advanced and abundant of Triassic subholostean families of fish...
Journal Article
Published: 28 January 2014
Canadian Journal of Earth Sciences (2014) 51 (2): 180-185.
...Robin S. Cuthbertson; Anthony P. Russell; Jason S. Anderson AbstractWe describe the skull roof anatomy of PRPRC 2007.08.81, a new specimen of late Olenekian (Spathian) ichthyopterygian from the Vega-Phroso Siltstone Member of the Sulphur Mountain Formation of British Columbia, Canada. Based...
FIGURES
Series: Geological Society, London, Special Publications
Published: 01 January 2008
DOI: 10.1144/SP295.3
EISBN: 9781862395435
... two caseodontid species ( Caseodus varidentis sp. nov. and Fadenia uroclasmato sp. nov.) and an edestoid ( Paredestus bricircum gen. et sp. nov.) Many other specimens recovered from the Lower Triassic Vega-Phroso Siltstone Member (Sulphur Mountain Formation) at Wapiti Lake are too poorly preserved...
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Journal Article
Published: 01 December 1997
Bulletin of Canadian Petroleum Geology (1997) 45 (4): 708-714.
..., as the upper boundary of the Phroso Siltstone Member and the lower boundary of the Vega Siltstone Member, thus establishing this carbonate lentil as a member of the Sulphur Mountain Formation. GeoRef, Copyright 2004, American Geological Institute. 1997 ...
Journal Article
Published: 05 August 2015
Canadian Journal of Earth Sciences (2015) 52 (8): 557-568.
... and sandstones, silty limestones and dolomites, and shales that weather to a characteristic dark grey to rusty-brown colour ( Gibson 1974 , 1993 ). It is divided into four members in ascending order: Phroso Siltstone, Vega Siltstone, Whistler, and Llama ( Fig. 3 ). In the Athabasca – Bow River region, the Vega...
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Journal Article
Published: 26 October 2009
Canadian Journal of Earth Sciences (2009) 46 (10): 757-790.
...M. J. Orchard; J.-P. Zonneveld AbstractThe Sulphur Mountain Formation in the Wapiti area is subdivided into the Phroso, Meosin Mountain (new), and Vega members, which collectively span much of the Lower Triassic. The Smithian conodont faunas are particularly well developed and form the basis...
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Journal Article
Published: 23 July 2013
Canadian Journal of Earth Sciences (2013) 50 (9): 904-910.
...) and Actinopterygii (Acrolepididae, Australosomidae, Birgeriidae, Bobasatraniidae, Boreosomidae, Parasemionotidae, Perledididae, Platysiagidae, Ptycholepididae, and Saurichthyidae). Sulphur Mountain Formation, VegaPhroso Siltstone Member, Lower Triassic; collected in cirque C ( Fig. 1 ), latitude 54°32′N, longitude...
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Journal Article
Published: 31 January 2005
Canadian Journal of Earth Sciences (2005) 42 (1): 25-36.
... ; McGugan and Rapson-McGugan 1976 ). It is clear, however, that the fossil-bearing strata belong to the lowest member of the formation, the Vega-Phroso Siltstone Member ( Gibson 1972 ). Invertebrate and conodont material collected from the fish sites suggest a Smithian (Early Triassic) age for most...
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Journal Article
Published: 01 March 2018
Bulletin of Canadian Petroleum Geology (2018) 66 (1): 288-317.
... , this issue). The Montney is unique amongst Phanerozoic sedimentary successions in Western Canada in that it is dominated by a narrow range in grain size, being primarily silt and very fine-grained sand. The Vega and Phroso members of the Sulphur Mountain Formation comprise the southern outcrop equivalents...
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Journal Article
Published: 01 September 2014
Bulletin of Canadian Petroleum Geology (2014) 62 (3): 157-176.
... with the irregular nature of the conodont recovery, however the position of boundaries that are not tightly constrained should be considered tentative. Neospathodus posterolongatus has been recovered from the Vega, Phroso and Meosin Mountain members of the Sulphur Mountain Formation ( Orchard and Zonneveld, 2009...
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Journal Article
Published: 01 June 2015
Bulletin of Canadian Petroleum Geology (2015) 63 (2): 143-170.
... member is missing in B.C.) and an upper shale unit that is absent in Alberta. Dixon’s stratigraphic subdivision has not been subsequently adopted by any other Montney workers. This terminology is confusing as the Montney Formation contains minimal true shale, and both siltstone and sandstone occur...
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Journal Article
Published: 01 March 2018
Bulletin of Canadian Petroleum Geology (2018) 66 (1): 193-214.
... for the formation was derived from the village of Montney, 12 miles southeast of the Texaco NFA Buick Creek 06-26-087-21W6M type well ( Armitage, 1962 ). The Montney Formation and its outcrop equivalents, the Sulphur Mountain Formation (Vega, Meosin Mountain, Mackenzie Dolomite Lentil and Phroso Members), Greyling...
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Journal Article
Published: 01 December 2015
Canadian Journal of Earth Sciences (2015) 53 (2): 140-155.
... in outcrop in northeastern British Columbia and with the Vega and Phroso members of the Sulphur Mountain Formation in Alberta ( Fig. 7 ; Gibson 1968 , 1971 ). The top of the Montney Formation is marked by a firm ground that is overlain by phosphate-rich sediments of the Doig Formation, which comprises...
FIGURES
Journal Article
Journal: PALAIOS
Published: 01 October 2002
PALAIOS (2002) 17 (5): 435-448.
... in the Lower Triassic Vega-Phroso Member of the Sulphur Mountain Formation at Wapiti Lake. These fossils are small (2–5 cm in head-telson length) and possess thin, slender claws on their anterior periopods ( Fig. 8B ). The black silty shale succession in which these fossils occur was deposited in a distal...
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Journal Article
Published: 01 June 2010
Bulletin of Canadian Petroleum Geology (2010) 58 (2): 115-140.
... in the subsurface of northeastern British Columbia is laterally equivalent to outcrop of the Grayling and Toad formations and the Vega and Phroso members of the Sulphur Mountain Formation, respectively, in the northern and southern Rocky Mountain Foothills and Front Ranges ( Gibson, 1971 ; Gibson and Barclay, 1989...
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