Life on Land in the Precambrian
- 28 January 1994
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 263 (5146), 494-498
- https://doi.org/10.1126/science.263.5146.494
Abstract
Microfossils have been discovered in cavity-fill and replacement silica that occurs between chert-breccia clasts in 1200-million-year-old paleokarst at the top of the Mescal Limestone, central Arizona, and in ∼800-million-year-old paleokarst at the top of the Beck Spring Dolomite, southeastern California. Microbial communities on Precambrian (>550 million years ago) land may have been extensive enough to affect weathering, erosion, sedimentation, and geochemical processes.Keywords
This publication has 16 references indexed in Scilit:
- Possibility of chemical weathering before the advent of vascular land plantsNature, 1993
- Microfossils of the Early Archean Apex Chert: New Evidence of the Antiquity of LifeScience, 1993
- Trace Fossil Evidence for Late Ordovician Animals on LandScience, 1987
- Evolution of the atmosphere and oceansNature, 1986
- The geochemistry of Witwatersrand-type gold deposits and the possible influence of ancient prokaryotic communities on gold dissolution and precipitationPrecambrian Research, 1985
- Precambrian non‐marine stromatolites in alluvial fan deposits, the Copper Harbor Conglomerate, upper MichiganSedimentology, 1983
- Isotope signatures associated with early meteoric diagenesisSedimentology, 1982
- Analogous microbial forms in recent subaerial habitats and in Precambrian cherts: Gloethece coerulea Geitler and Eosynechococcus moorei HofmannPrecambrian Research, 1979
- "Humic" matter in the bitumen of pre-Phanerozoic and Phanerozoic sediments and its paleobiological significanceAmerican Journal of Science, 1975
- PRECAMBRIAN MICRO‐ORGANISMS AND EVOLUTIONARY EVENTS PRIOR TO THE ORIGIN OF VASCULAR PLANTSBiological Reviews, 1970