Searches , social queries for SHURAM EXCURSION
Search references for SHURAM EXCURSION. Phrases containing SHURAM EXCURSION
See searches and references containing SHURAM EXCURSION!
Search references for SHURAM EXCURSION. Phrases containing SHURAM EXCURSION
See searches and references containing SHURAM EXCURSION!SHURAM EXCURSION
The Shuram excursion, or Shuram-Wonoka excursion, is a change in δ13C, or in the ratio of carbon-13 to carbon-12, taking place during the Ediacaran period
Shuram_excursion
Third and last period of the Neoproterozoic Era
glaciation events, such as the Gaskiers and Baykonurian glaciations. The Shuram excursion also occurred during this period, but its glacial origin is unlikely
Ediacaran
Geologic formation in Canada
carbonate ramp. Found recorded within the Gametrail Formation is a Shuram excursion, where there is a sudden negative δ13C anomaly, with Carbon-13 levels
Gametrail_Formation
Life of the Ediacaran period
evidence for transient marine-shelf oxidation during the Ediacaran Shuram Excursion". Geology. 46 (3): 267–270. doi:10.1130/G39663.1. Benus (May 1988)
Ediacaran_biota
Ediacaran biotic assemblage
evidence for transient marine-shelf oxidation during the Ediacaran Shuram Excursion". Geology. 46 (3): 267–270. doi:10.1130/G39663.1. Evans, Scott D.;
White_Sea_assemblage
Ediacaran biotic assemblage
evidence for transient marine-shelf oxidation during the Ediacaran Shuram Excursion". Geology. 46 (3): 267–270. doi:10.1130/G39663.1. Wood, Rachel; Bowyer
Nama_assemblage
Measure of relative carbon-13 concentration in a sample
Paleoproterozoic - Positive excursion Shunga-Francevillian event (2,080 Ma) Paleoproterozoic - Negative excursion Shuram-Wonoka excursion (570–551 Ma) Neoproterozoic
Δ13C
Mass extinction event at the end of the Ediacaran period, 539 million years ago
Negative δ13C excursions—geochemical signals often associated with mass extinctions—are observed during the Late Ediacaran. The Shuram excursion occurred around
End-Ediacaran_extinction
Geologic formation in Anhui Province, China
"Ediacaran Negative excursion 3", which itself is correlated to the Shuram excursion. Meanwhile, the δ34S pyrite isotopes present a spatial pattern, and
Lantian_Formation
Ediacaran biotic assemblage
evidence for transient marine-shelf oxidation during the Ediacaran Shuram Excursion". Geology. 46 (3): 267–270. doi:10.1130/G39663.1. Liu, Alexander G
Avalon_assemblage
largest carbon isotope excursion in Earth history, suggesting dramatic reorganization of Earth's carbon cycle. The Shuram Excursion closely precedes impressive
John_P._Grotzinger
Geologic formation in Mongolia
has been inferred to either be the late Ediacaran Shuram excursion, or the Basal Cambrian δ13C excursion (BACE) in previous studies, with both of these being
Kheseen_Formation
Ediacaran geologic formation found in Sonora, Mexico
Death Valley, California, and preserves an isotopic record of the Shuram excursion. At its type section, the Clemente Formation consists of 210.3 m (690 ft)
Clemente_Formation
Neoproterozoic surge in atmospheric oxygen
December 2013). "The stratigraphic relationship between the Shuram carbon isotope excursion, the oxygenation of Neoproterozoic oceans, and the first appearance
Neoproterozoic oxygenation event
Neoproterozoic_oxygenation_event
Geologic formation in Canada
"Deep‐water first occurrences of Ediacara biota prior to the Shuram carbon isotope excursion in the Wernecke Mountains, Yukon, Canada". Geobiology. 22 (3)
Sheepbed_Formation
Geologic formation in Canada
Nadaleen and Drook Formations had established themselves before the Shuram excursion anomaly seen in the overlying Gametrail Formation. The Nadaleen Formation
Nadaleen_Formation
acritarchs (otherwise predominantly known from pre-Shuram strata) in the horizon recording the Shuram excursion. Yang et al. (2026) study the composition of
2026_in_paleontology
Geologic formation in the Mojave Desert
Wernicke, B. P.; Bowring, S. A. (1 July 2011). "The Shuram and subsequent Ediacaran carbon isotope excursions from southwest Laurentia, and implications for
Stirling_Quartzite
Geologic formation in the Northwest Territories, Canada
"Deep‐water first occurrences of Ediacara biota prior to the Shuram carbon isotope excursion in the Wernecke Mountains, Yukon, Canada". Geobiology. 22 (3)
Blueflower_Formation
onset and termination of the Shuram carbon isotope excursion is published by Rooney et al. (2020), who argue that this excursion was divorced from the rise
2020_in_paleontology
(2019). A study on ocean oxygen levels during the Ediacaran Shuram negative C-isotope Excursion and the middle Ediacaran, and on their implications for the
2019_in_paleontology
travel, tourism, insurance
SHURAM EXCURSION
SHURAM EXCURSION
SHURAM EXCURSION
SHURAM EXCURSION
SHURAM EXCURSION
SHURAM EXCURSION
SHURAM EXCURSION
SHURAM EXCURSION
SHURAM EXCURSION
travel, tourism, insurance