Introduction

The proterozoic

Gregory S. Jenkins, Christopher P. McKay, Mark A.S. McMenamin

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

The Proterozoic (2.5 Ga–545 Ma) is perhaps the most intriguing period in Earth’s history. In a typical high school physical science textbook it may be presented as a rather boring period that today’s student is happy to pass over in lieu of the Mesozoic and the extinction of Tyrannosaurus rex by a large asteroid. In reality this was a period full of excitement as it opens (in the PalaeoProterozoic) with low-latitude glaciation in concert with a rise in atmospheric oxygen. The Proterozoic ends with a glacial period and a possible rise in atmospheric oxygen levels. Other highlights of the Proterozoic include: three or more severe glacial events, a long period (1 billion years) of apparent warmth without evidence of glacial deposits, significant fluctuations in δC13, two or more periods where supercontinents were assembled, cap carbonates, banded iron formations, the rise of eukaryotes and the first complex life. The juxtaposition of extreme climate conditions and major evolutionary change among complex organisms during the Proterozoic is particularly puzzling, and begs the following question: What are the factors controlling the appearance of complex life?.

Original languageEnglish (US)
Title of host publicationThe Extreme Proterozoic
Subtitle of host publicationGeology, Geochemistry, and Climate, 2004
EditorsChristopher P. McKay, Mark A.S. McMenamin, Linda Sohl, Gregory S. Jenkins
PublisherBlackwell Publishing Ltd
Pages1-4
Number of pages4
ISBN (Electronic)9781118666289
ISBN (Print)9780875904115
DOIs
StatePublished - Jan 1 2004

Publication series

NameGeophysical Monograph Series
Volume146
ISSN (Print)0065-8448
ISSN (Electronic)2328-8779

Fingerprint

Proterozoic
eukaryotes
physical sciences
textbooks
oxygen
asteroids
tropical regions
organisms
caps
students
climate
carbonates
extinction
deposits
histories
physical science
iron
banded iron formation
textbook
supercontinent

All Science Journal Classification (ASJC) codes

  • Geophysics

Cite this

Jenkins, G. S., McKay, C. P., & McMenamin, M. A. S. (2004). Introduction: The proterozoic. In C. P. McKay, M. A. S. McMenamin, L. Sohl, & G. S. Jenkins (Eds.), The Extreme Proterozoic: Geology, Geochemistry, and Climate, 2004 (pp. 1-4). (Geophysical Monograph Series; Vol. 146). Blackwell Publishing Ltd. https://doi.org/10.1029/146GM01
Jenkins, Gregory S. ; McKay, Christopher P. ; McMenamin, Mark A.S. / Introduction : The proterozoic. The Extreme Proterozoic: Geology, Geochemistry, and Climate, 2004. editor / Christopher P. McKay ; Mark A.S. McMenamin ; Linda Sohl ; Gregory S. Jenkins. Blackwell Publishing Ltd, 2004. pp. 1-4 (Geophysical Monograph Series).
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Jenkins, GS, McKay, CP & McMenamin, MAS 2004, Introduction: The proterozoic. in CP McKay, MAS McMenamin, L Sohl & GS Jenkins (eds), The Extreme Proterozoic: Geology, Geochemistry, and Climate, 2004. Geophysical Monograph Series, vol. 146, Blackwell Publishing Ltd, pp. 1-4. https://doi.org/10.1029/146GM01

Introduction : The proterozoic. / Jenkins, Gregory S.; McKay, Christopher P.; McMenamin, Mark A.S.

The Extreme Proterozoic: Geology, Geochemistry, and Climate, 2004. ed. / Christopher P. McKay; Mark A.S. McMenamin; Linda Sohl; Gregory S. Jenkins. Blackwell Publishing Ltd, 2004. p. 1-4 (Geophysical Monograph Series; Vol. 146).

Research output: Chapter in Book/Report/Conference proceedingChapter

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Jenkins GS, McKay CP, McMenamin MAS. Introduction: The proterozoic. In McKay CP, McMenamin MAS, Sohl L, Jenkins GS, editors, The Extreme Proterozoic: Geology, Geochemistry, and Climate, 2004. Blackwell Publishing Ltd. 2004. p. 1-4. (Geophysical Monograph Series). https://doi.org/10.1029/146GM01