Английская Википедия:Bull Arm Formation

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Шаблон:Infobox rockunit The Bull Arm Formation is a volcanic formation cropping out in Newfoundland, the youngest of the Musgravetown Group.[1] It is defined as everything between the first and last volcanic horizon, with a recognition that some sandstones will be interbedded, and its start and finish may vary across the region depending on how widespread volcanic horizons are in practice.[2]

References

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Шаблон:Geologic-formation-stub

  1. Normore, L.S. (2012). Geology of the Random Island map area (NTS 2C/04), Newfoundland. Curr. Res. Newfoundl. Labrador Dep. Nat. Resour. Geol. Surv. Report 12-, 121–145.
  2. Шаблон:Cite journal