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Avalon assemblage information


Avalon Assemblage
~575 – ~560 Ma[1]
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Frondose fossils from Mistaken Point, on the Avalon Peninsula of Canada.
Chronology
Definition
Type sectionMistaken Point, Newfoundland, Canada 46°37′55″N 53°11′25″W / 46.63194°N 53.19028°W / 46.63194; -53.19028

The Avalon assemblage was the first of the three Late Ediacaran biotic assemblages, spanning from c. 575 Ma to c. 560 Ma. It was followed by the White Sea assemblage, although temporal overlaps have been noted between the biotic assemblages. While earlier macroscopic fossils, mostly of algal origin, are known from the Lantian Formation, Avalon-type localities provide the first evidence of putative metazoan ancestors, as part of the Ediacaran biota.[1][3][4][5]

  1. ^ a b Cite error: The named reference shen was invoked but never defined (see the help page).
  2. ^ Shi, Wei; Li, Chao; Luo, Genming; Huang, Junhua; Algeo, Thomas J.; Jin, Chengsheng; Zhang, Zihu; Cheng, Meng (24 January 2018). "Sulfur isotope evidence for transient marine-shelf oxidation during the Ediacaran Shuram Excursion". Geology. 46 (3): 267–270. doi:10.1130/G39663.1.
  3. ^ Cite error: The named reference liu2015 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference bottjer was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference liu2011 was invoked but never defined (see the help page).

and 29 Related for: Avalon assemblage information

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Avalon assemblage

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The Avalon assemblage was the first of the three Late Ediacaran biotic assemblages, spanning from c. 575 Ma to c. 560 Ma. It was followed by the White...

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Ediacaran biota

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changes little for the rest of its existence. The Avalon assemblage is defined at Mistaken Point one the Avalon Peninsula of Canada, the oldest locality with...

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White Sea assemblage

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Sea assemblage was the second of the three Late Ediacaran biotic assemblages, following the Avalon assemblage and preceding the Nama assemblage. It spanned...

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Nama assemblage

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The Nama assemblage was the last of the Ediacaran biotic assemblages. Following the Avalon and White Sea assemblages, it spanned from c. 550 Ma to c....

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The Avalon explosion, named from the Precambrian faunal trace fossils discovered on the Avalon Peninsula in Newfoundland, eastern Canada, is a proposed...

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Fractofusus misrai

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discovered a rich assemblage of imprints of soft bodied organisms on the surface of large rock slabs, while mapping the Conception Group of Avalon Peninsula of...

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Mistaken Point Formation

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Mistaken Point contains some of the oldest ediacaran biota in an Avalon-type assemblage. They are commonly categorized as Spindle-shaped (Fractofusus),...

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Ediacaran

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taking into consideration the worldwide occurrence of the Pertatataka assemblage of giant acanthomorph acritarchs. The Ediacaran Period (c. 635–538.8 Mya)...

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Shiva Balak Misra

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discovered a rich assemblage of imprints of soft-bodied organisms on the surface of large rock slabs in the Conception Group of Avalon Peninsula of Newfoundland...

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Primocandelabrum

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genus of rangeomorph known from the Avalon-type Ediacaran biota. It makes up the brunt of some bedding plane assemblages. Primocandelabrum was described by...

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Eoandromeda

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Ediacara-type biota (it is in broad sense: Ediacara-, Nama-, Avalon-type ecological assemblage) it is community of the Metazoa and problematic organisms:...

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Mistaken Point Ecological Reserve

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UNESCO World Heritage Site located at the southeastern tip of Newfoundland's Avalon Peninsula in the Canadian province of Newfoundland and Labrador. The reserve...

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formed after the breakup of the supercontinent Columbia and prior to the assemblage of the supercontinent Gondwana (~500 Ma). The defining orogenic event...

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Parviscopa

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Ediacaran biota (635-542 Ma), and is more specifically part of the Avalon type assemblage, which is from the older part of the Ediacaran (580–560 Ma) and...

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Smith Point Formation

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Andean condor

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Second Amendment to the United States Constitution

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United States Declaration of Independence

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attempt to prohibit or to restrain this execrable commerce: and that this assemblage of horrors might want no fact of distinguished die, he is now exciting...

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Boring Billion

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9 Ga. Paleogeographic reconstructions suggest that the supercontinent assemblage was located in equatorial and temperate climate zones, and there is little...

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Santa Lucia Range

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of the Sur-Nacimiento Fault are dominated by rocks of the Franciscan Assemblage. The basement rocks of the Santa Lucia Range contain Mesozoic Franciscan...

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Cephalopod

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Chimney Bluffs State Park

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Frondophyllas

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Gros Morne National Park

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