Two Paleoproterozoic glacio-eustatic cycles in the Turee Creek Group, Western Australia

Martin Van Kranendonk, Rajat Mazumder

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Widespread glaciations in the period 2.42-2.22 Ga have led to the suggestion of a Paleoproterozoic "snowball Earth," yet this hypothesis has been difficult to substantiate. Here, we report the discovery of two Paleoproterozoic glacio-eustatic cycles from a predominantly marine succession in Western Australia, where previously only one had been recorded. Sedimentary facies characteristics reveal that each cycle sharply commenced with a falling stage systems tract and terminated with a transgressive systems tract, consistent with drawdown and subsequent release of large volumes of seawater from, and into, waxing and waning ice sheets, respectively. This discovery provides support for the widespread nature of Paleoproterozoic glaciations and a major climatic change accompanying the rise in atmospheric oxygen.

Original languageEnglish
Pages (from-to)596-607
Number of pages12
JournalBulletin of the Geological Society of America
Volume127
Issue number3-4
DOIs
Publication statusPublished - Oct 22 2014
Externally publishedYes

Fingerprint

systems tract
glaciation
drawdown
ice sheet
seawater
oxygen
climate change
creek

ASJC Scopus subject areas

  • Geology

Cite this

Two Paleoproterozoic glacio-eustatic cycles in the Turee Creek Group, Western Australia. / Van Kranendonk, Martin; Mazumder, Rajat.

In: Bulletin of the Geological Society of America, Vol. 127, No. 3-4, 22.10.2014, p. 596-607.

Research output: Contribution to journalArticle

@article{32a1ecac079e47ceaa8e23e987f4586c,
title = "Two Paleoproterozoic glacio-eustatic cycles in the Turee Creek Group, Western Australia",
abstract = "Widespread glaciations in the period 2.42-2.22 Ga have led to the suggestion of a Paleoproterozoic {"}snowball Earth,{"} yet this hypothesis has been difficult to substantiate. Here, we report the discovery of two Paleoproterozoic glacio-eustatic cycles from a predominantly marine succession in Western Australia, where previously only one had been recorded. Sedimentary facies characteristics reveal that each cycle sharply commenced with a falling stage systems tract and terminated with a transgressive systems tract, consistent with drawdown and subsequent release of large volumes of seawater from, and into, waxing and waning ice sheets, respectively. This discovery provides support for the widespread nature of Paleoproterozoic glaciations and a major climatic change accompanying the rise in atmospheric oxygen.",
author = "{Van Kranendonk}, Martin and Rajat Mazumder",
year = "2014",
month = "10",
day = "22",
doi = "10.1130/B31025.1",
language = "English",
volume = "127",
pages = "596--607",
journal = "Geological Society of America Bulletin",
issn = "0016-7606",
publisher = "Geological Society of America",
number = "3-4",

}

TY - JOUR

T1 - Two Paleoproterozoic glacio-eustatic cycles in the Turee Creek Group, Western Australia

AU - Van Kranendonk, Martin

AU - Mazumder, Rajat

PY - 2014/10/22

Y1 - 2014/10/22

N2 - Widespread glaciations in the period 2.42-2.22 Ga have led to the suggestion of a Paleoproterozoic "snowball Earth," yet this hypothesis has been difficult to substantiate. Here, we report the discovery of two Paleoproterozoic glacio-eustatic cycles from a predominantly marine succession in Western Australia, where previously only one had been recorded. Sedimentary facies characteristics reveal that each cycle sharply commenced with a falling stage systems tract and terminated with a transgressive systems tract, consistent with drawdown and subsequent release of large volumes of seawater from, and into, waxing and waning ice sheets, respectively. This discovery provides support for the widespread nature of Paleoproterozoic glaciations and a major climatic change accompanying the rise in atmospheric oxygen.

AB - Widespread glaciations in the period 2.42-2.22 Ga have led to the suggestion of a Paleoproterozoic "snowball Earth," yet this hypothesis has been difficult to substantiate. Here, we report the discovery of two Paleoproterozoic glacio-eustatic cycles from a predominantly marine succession in Western Australia, where previously only one had been recorded. Sedimentary facies characteristics reveal that each cycle sharply commenced with a falling stage systems tract and terminated with a transgressive systems tract, consistent with drawdown and subsequent release of large volumes of seawater from, and into, waxing and waning ice sheets, respectively. This discovery provides support for the widespread nature of Paleoproterozoic glaciations and a major climatic change accompanying the rise in atmospheric oxygen.

UR - http://www.scopus.com/inward/record.url?scp=84924973848&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84924973848&partnerID=8YFLogxK

U2 - 10.1130/B31025.1

DO - 10.1130/B31025.1

M3 - Article

AN - SCOPUS:84924973848

VL - 127

SP - 596

EP - 607

JO - Geological Society of America Bulletin

JF - Geological Society of America Bulletin

SN - 0016-7606

IS - 3-4

ER -