2023
DOI: 10.31223/x5z04m
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Macrostratigraphy of the Ediacaran System in North America

Abstract: Ediacaran sediments record the termination of Cryogenian ‘Snowball Earth’ glaciations, preserve the first occurrences of macroscopic metazoans, and contain one of the largest known negative δ13C excursions (the Shuram-Wonoka). The rock record for the transition between the Proterozoic and Phanerozoic in North America is also physically distinct, with much of the continent characterized by a wide variety of mostly crystalline Proterozoic and Archean rocks overlain by early Paleozoic shallow marine sediments. He… Show more

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Cited by 1 publication
(3 citation statements)
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“…(c) Section G3 (Moynihan et al, 2019, vertical axis = meters ) with a single stable‐isotope record (part of a and b compilations). (d) Column footprints: Grey, core holdings; magenta, Ediacaran compilation (Segessenman, 2020).…”
Section: Towards New Scientific Capabilitiesmentioning
confidence: 99%
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“…(c) Section G3 (Moynihan et al, 2019, vertical axis = meters ) with a single stable‐isotope record (part of a and b compilations). (d) Column footprints: Grey, core holdings; magenta, Ediacaran compilation (Segessenman, 2020).…”
Section: Towards New Scientific Capabilitiesmentioning
confidence: 99%
“…Columns and their constituent units are sourced primarily from regionally defined, representative stratigraphic summaries compiled at basin and continental scales (e.g., COSUNA; Childs, 1985). However, more localized scales of data are increasingly being ingested as part of data‐assimilation projects (Segessenman, 2020, Section 4.1.2).…”
Section: Introduction: the Macrostrat Data Systemmentioning
confidence: 99%
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