Search Results - "Eyster, Athena"

A New Depositional Framework for Massive Iron Formations After the Great Oxidation Event by Athena Eyster, Latisha A. Brengman, Claire I. O. Nichols, Zoe Levitt, Julia Wilcots, Kristin D. Bergmann

“…Abstract The oldest recognized proxies for low atmospheric oxygen are massive iron‐rich deposits. Following the rise of oxygen ∼2.4 billion years ago (Ga),…”
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Cryogenian of Yukon by Macdonald, Francis A., Schmitz, Mark D., Strauss, Justin V., Halverson, Galen P., Gibson, Timothy M., Eyster, Athena, Cox, Grant, Mamrol, Peter, Crowley, James L.

“…•New geological, geochronological and geochemical data from Cryogenian rocks in the Yukon provide needed geological context to critical dates constrain the…”
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Evaluating the Shinumo-Sespe drainage connection; arguments against the "old" (70-17 Ma) Grand Canyon models for Colorado Plateau drainage evolution by Karlstrom, Karl E, Jacobson, Carl A, Sundell, Kurt E, Eyster, Athena, Blakey, Ron, Ingersoll, Raymond V, Mulder, Jacob A, Young, Richard A, Beard, L. Sue, Holland, Mark E, Shuster, David L, Winn, Carmen, Crossey, Laura

“…The provocative hypothesis that the Shinumo Sandstone in the depths of Grand Canyon was the source for clasts of orthoquartzite in conglomerate of the Sespe…”
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Possible Eoarchean Records of the Geomagnetic Field Preserved in the Isua Supracrustal Belt, Southern West Greenland by Nichols, Claire I. O., Weiss, Benjamin P., Eyster, Athena, Martin, Craig R., Maloof, Adam C., Kelly, Nigel M., Zawaski, Mike J., Mojzsis, Stephen J., Watson, E. Bruce, Cherniak, Daniele J.

“…Recovering ancient records of Earth's magnetic field is essential for determining the role of the magnetosphere in protecting early Earth from cosmic radiation…”
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Paleomagnetic and Geochronologic Constraints on the Neoproterozoic Tectonics and Climate of the Western Margin of Laurentia by Eyster, Athena E

“…This dissertation focuses on three unique but complementary projects related to Neoproterozoic (1000-542 Ma) tectonics and climate of western North America…”
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