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Toad Formation

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Journal Article

Trace-fossil assemblages in the Lower Triassic Toad Formation, La Biche River map area, southeastern Yukon

Robert B. MacNaughton, John-Paul Zonneveld
Published: 01 June 2010
Bulletin of Canadian Petroleum Geology (2010) 58 (2): 100–114.
DOI: https://doi.org/10.2113/gscpgbull.58.2.100
...Robert B. MacNaughton; John-Paul Zonneveld Abstract Two outcrop sections of the Lower Triassic (Griesbachian = Early Induan) Toad Formation in southeastern Yukon (La Biche River map area; NTS 95 C) contain well-preserved trace fossils. Strata consist of interbedded shale, siltstone, and sandstone...
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Journal Article

Occurrence and significance of Nevadites merriami Smith in the Toad Formation of northeast British Columbia (Ammonoidea, Mid-Triassic)

G. E. G. Westermann
Published: 01 March 1963
Journal of Paleontology (1963) 37 (2): 496–499.
...G. E. G. Westermann Abstract The identification of the ammonoid Nevadites merriami Smith (now known to be Nevadites hyatti (Smith), 1904, in a collection from the Beyrichites "Gynmotoceras"-Parapopanoceras faunal zone of the Toad Formation confirms the upper Anisian age originally inferred...
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Measured section through the <span class="search-highlight">Toad</span> <span class="search-highlight">Formation</span> at Mount Martin. Base of sectio...

Measured section through the Toad Formation at Mount Martin. Base of sectio...

Published: 01 June 2010
Fig. 3. Measured section through the Toad Formation at Mount Martin. Base of section corresponds closely with base of Toad Formation, which here overlies more than 100 m of covered Grayling Formation (see text). Note erosional base of Cretaceous Chinkeh Formation near top of section. Grain size
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Measured section through part of <span class="search-highlight">Toad</span> <span class="search-highlight">Formation</span> exposed along Beaver River ...

Measured section through part of Toad Formation exposed along Beaver River ...

Published: 01 June 2010
Fig. 4. Measured section through part of Toad Formation exposed along Beaver River west of Beavercrow Ridge. Legend and grain-size scale as for Figure 3 . This section may correlate roughly with the 20–150 m interval of the section at Mount Martin (Fig. 3 ).
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Detailed descriptions of facies associations (FAs) in the <span class="search-highlight">Toad</span> <span class="search-highlight">Formation</span>, L...

Detailed descriptions of facies associations (FAs) in the Toad Formation, L...

Published: 01 June 2010
Table 1. Detailed descriptions of facies associations (FAs) in the Toad Formation, La Biche River area. Data are summarized from MacNaughton (2002) . Terms for bedding thickness follow Ingram (1954) . Paleocurrent measurements corrected for tectonic tilt.
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Trace fossils probably produced by arthropods, <span class="search-highlight">Toad</span> <span class="search-highlight">Formation</span>. All specimen...

Trace fossils probably produced by arthropods, Toad Formation. All specimen...

Published: 01 June 2010
Fig. 8. Trace fossils probably produced by arthropods, Toad Formation. All specimens whitened with ammonium chloride. Scale bars are 1 cm. (A) Diplichnites (arthropod walking trace). Negative relief on upper surface of bed. GSC Locality No. C-417177. (B) Narrow specimen of Cruziana
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Additional trace fossils preserved in the <span class="search-highlight">Toad</span> <span class="search-highlight">Formation</span>. All specimens whi...

Additional trace fossils preserved in the Toad Formation. All specimens whi...

Published: 01 June 2010
Fig. 9. Additional trace fossils preserved in the Toad Formation. All specimens whitened with ammonium chloride. Scale bars are 1 cm. (A) Sole of sandstone bed preserving small Planolites (labelled “ Pl ”) and Phycodes (labelled “ Ph ”) in positive relief. GSC Locality No. C-417181. (B
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Interbedded shale and sandstone (FA 2) of the <span class="search-highlight">Toad</span> <span class="search-highlight">Formation</span> from Mount Mar...

Interbedded shale and sandstone (FA 2) of the Toad Formation from Mount Mar...

Published: 01 March 2005
Fig. 5. Interbedded shale and sandstone (FA 2) of the Toad Formation from Mount Martin outcrop. Lens cap near centre of image for scale.
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FIGURE 13 —Photomicrogrph of a calcareous chert for the <span class="search-highlight">Toad</span> <span class="search-highlight">Formation</span>, Urs...

FIGURE 13 —Photomicrogrph of a calcareous chert for the Toad Formation, Urs...

Published: 01 April 2003
FIGURE 13 —Photomicrogrph of a calcareous chert for the Toad Formation, Ursula Creek, showing numerous calcite-filled spheres, or spheroids, interpreted to be replaced radiolaria. The largest sphaeroid is 0.25 mm in diameter
Journal Article

Triassic conodont biochronology, its calibration with the ammonoid standard, and a biostratigraphic summary for the Western Canada Sedimentary Basin

M. J. Orchard, E. T. Tozer
Published: 01 December 1997
Bulletin of Canadian Petroleum Geology (1997) 45 (4): 675–692.
DOI: https://doi.org/10.35767/gscpgbull.45.4.675
... virtually all the present stratigraphic units have diachronous contacts. The Grayling Formation is Griesbachian-Smithian in age, the Toad Formation is Smithian-Ladinian, the Liard Formation is Ladinian, the Ludington Formation is late Ladinian-late Carnian, the Baldonnel Formation is Carnian, the Pardonet...
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Magnigondolella alexanderi n. gen. n. sp. ( 1, 2 ) GSC Type No. 131582, fr...

Magnigondolella alexanderi n. gen. n. sp. ( 1, 2 ) GSC Type No. 131582, fr...

Published: 23 November 2017
Figure 4 Magnigondolella alexanderi n. gen. n. sp. ( 1, 2 ) GSC Type No. 131582, from the Toad Formation ( Lenotropites caurus Zone, lower Anisian), GSC Cur. No. C-201922, Mile Post 375 East, B.C.; ( 3–5 ) GSC Type No. 131583, from the Toad Formation ( Tetsaoceras hayesi Zone, middle Anisian
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Neogondolella tenera n. sp. ( 1–3 ) GSC type no. 131558; ( 7–9 ) GSC type ...

Neogondolella tenera n. sp. ( 1–3 ) GSC type no. 131558; ( 7–9 ) GSC type ...

Published: 01 November 2016
Figure 12 Neogondolella tenera n. sp. ( 1–3 ) GSC type no. 131558; ( 7–9 ) GSC type no. 131559 (holotype); both from the Toad Formation ( Eogymnotoceras deleeni Zone, upper Anisian), GSC cur. no. 99592, East Toad River; ( 4–6 ), GSC type no. 131560, from the Toad Formation ( Hollandites minor
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Neogondolella aldae Kozur, Krainer, and Mostler from ( 1–10 ) the <span class="search-highlight">Toad</span> For...

Neogondolella aldae Kozur, Krainer, and Mostler from ( 1–10 ) the Toad For...

Published: 01 November 2023
Figure 8. Neogondolella aldae Kozur, Krainer, and Mostler from ( 1–10 ) the Toad Formation in B.C. and ( 11–19 ) the Prida Formation in Nevada. ( 1–3 ) GSC 141858, sample 92/AH21, Yellow Bluffs, Alaska Highway, Chischa Zone; ( 4, 5 ) GSC 141859, sample 92/AH2, Toad Formation, Yellow Bluffs
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Neogondolella dilacerata n. sp. ( 1–3 ) GSC type no. 131546, from the <span class="search-highlight">Toad</span>...

Neogondolella dilacerata n. sp. ( 1–3 ) GSC type no. 131546, from the Toad...

Published: 01 November 2016
Figure 8 Neogondolella dilacerata n. sp. ( 1–3 ) GSC type no. 131546, from the Toad Formation ( Lenotropites caurus Zone, lower Anisian), GSC cur. no. 99574, North Liard River; ( 4–6 ) GSC type no. 131547; ( 7–9 ) GSC type no. 131509 (holotype); both from the Toad Formation
Journal Article

Cretaceous and Some Triassic Beds of Northeastern British Columbia, Canada

W. R. S. Henderson
Journal: AAPG Bulletin
Published: 01 November 1954
AAPG Bulletin (1954) 38 (11): 2269–2289.
DOI: https://doi.org/10.1306/5CEAE094-16BB-11D7-8645000102C1865D
..., and shale) member 232 feet thick, and a lower (shale) member 2,040 feet thick. This formation lies on the Triassic Toad formation but no angular discordance was found at the contact. Inoceramus cadottensis was found in talus from the middle member. The correlation table ( Fig. 4 ) revises the correlation...
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Journal Article

Tertiary Stratigraphic Units of Western Mojave Desert, California

T. W. Dibblee, Jr.
Journal: AAPG Bulletin
Published: 01 January 1958
AAPG Bulletin (1958) 42 (1): 135–144.
DOI: https://doi.org/10.1306/0BDA59EA-16BD-11D7-8645000102C1865D
... quartz basalt. In the foothills northwest of Mojave the granitic basement is overlain by about 1,000 feet of terrestrial sandstones and clays named the Horned Toad formation. This formation yielded a mammalian fauna indicating middle or early Pliocene age, and is either younger than or correlative...
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Neogondolella vellicata n. sp. ( 1–3 ) GSC type no. 131508, from the <span class="search-highlight">Toad</span> ...

Neogondolella vellicata n. sp. ( 1–3 ) GSC type no. 131508, from the Toad ...

Published: 01 November 2016
Figure 13 Neogondolella vellicata n. sp. ( 1–3 ) GSC type no. 131508, from the Toad Formation ( Lenotropites caurus Zone, lower Anisian), GSC cur. no. C-201922, Mile Post 375 East; ( 4–6 ) GSC type no. 131561, from the Prida Formation ( Acrochordiceras hyatti Zone, middle Anisian), GSC cur
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Figure 1. Taeniate bisaccate pollen that are characteristic of the Permian,...

Figure 1. Taeniate bisaccate pollen that are characteristic of the Permian,...

Published: 01 January 2004
PLATE 4 Figure 1. Taeniate bisaccate pollen that are characteristic of the Permian, but which may occur rarely (reworked?), in the Lower Triassic.
 1 Taeniate bisaccate pollen Lueckisporites virkkiae Potonié & Klaus 1954; Utting et al. (in press), Toad Formation, Lower Triassic, Mount
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Magnigondolella salomae n. gen. n. sp. ( 1–3 ) GSC Type No. 131597, from t...

Magnigondolella salomae n. gen. n. sp. ( 1–3 ) GSC Type No. 131597, from t...

Published: 23 November 2017
Figure 9 Magnigondolella salomae n. gen. n. sp. ( 1–3 ) GSC Type No. 131597, from the Toad Formation ( Tetsaoceras hayesi Zone, middle Anisian), GSC Cur. No. O-68294, Mile Post 375 West, B.C.; ( 4–6 ) GSC Type No. 131476, from the Doig Formation (middle Anisian), GSC Cur.No. V-002978, Talisman
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Neogondolella indicta n. sp. ( 1–3 ) GSC type no. 131552, from the <span class="search-highlight">Toad</span> Fo...

Neogondolella indicta n. sp. ( 1–3 ) GSC type no. 131552, from the Toad Fo...

Published: 01 November 2016
Figure 10 Neogondolella indicta n. sp. ( 1–3 ) GSC type no. 131552, from the Toad Formation ( Hollandites minor Zone, middle Anisian), GSC cur. no. C-201926, Mile Post 375 West; ( 4, 5 ), GSC type no. 131553; ( 6, 7 ) GSC type no. 131554 (holotype); both from the Toad Formation ( H . minor