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Late Cambrian Radiolaria from Hunan, China
(Society of Economic Paleontologists and Mineralogists, 1997)
Well-preserved polycystine radiolarians, representing a new species in the family Entactiniidae, were recovered from subtidal micrites and bioclastic micrites of the Upper Cambrian (<i>Glyptagnostus reticulatus</i> trilobite ...
Isotopes, Ice Ages, and Terminal Proterozoic Earth History
(National Academy of Sciences, 1997)
Detailed correlations of ancient glacial deposits, based on temporal records of carbon acid strontium isotopes in seawater, indicate four (and perhaps five) discrete ice ages in the terminal Proterozoic Eon. The close and ...
Paleobiology of the Mesoproterozoic-Neoproterozoic Transition: The Sukhaya Tunguska Formation, Turukhansk Uplift, Siberia
(Elsevier, 1997)
Silicified carbonates of the latest Mesoproterozoic Sukhaya Tunguska Formation, northwestern Siberia, contain abundant and diverse permineralized microfossils. Peritidal environments are dominated by microbial mats built ...
Neoproterozoic Fossils in Mesoproterozoic Rocks? Chemostratigraphic Resolution of a Biostratigraphic Conundrum from the North China Platform
(Elsevier, 1997)
Siliciclastic rocks of the Ruyang Group, southern Shanxi, and the broadly equivalent Gaoshanhe Group, Shaanxi, contain exceptionally well-preserved, large (empty set approximate to 150 mu m) acanthomorphic acritarchs ...