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Latest Proterozoic stratigraphy and Earth history
1Botanical Museum, Harvard University, Cambridge, Massachusetts 02138.
Nature
|April 23, 1992
Summary
New stratigraphic data reveal significant biological, biogeochemical, climatic, and tectonic shifts during the late Proterozoic Eon. This research enhances our understanding of Earth's history and aids in chronostratigraphic division.
Area of Science:
- Geosciences
- Paleontology
- Biogeochemistry
Background:
- The Proterozoic Eon's end was marked by substantial environmental and biological transformations.
- Understanding these changes requires robust stratigraphic frameworks.
Purpose of the Study:
- To present new bio- and chemostratigraphic data.
- To establish an improved framework for stratigraphic correlation.
- To deepen the understanding of late Proterozoic Earth history.
Main Methods:
- Bio- and chemostratigraphic analysis.
- Stratigraphic correlation techniques.
Main Results:
- An improved stratigraphic framework for the latest Proterozoic.
- Enhanced chronological resolution for late Proterozoic time.
Conclusions:
- The new data facilitate a more profound understanding of late Proterozoic Earth history.
- The findings provide tools for a chronostratigraphic division of the late Proterozoic.
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