Sedimentary record of seismic events in the Eocene Green River Formation and its implications for regional tectonics on lake evolution (Bridger Basin, Wyoming)

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Sedimentary record of seismic events in the Eocene Green River Formation and its implications for regional tectonics on lake evolution (Bridger Basin, Wyoming)

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作者：Balá ; zs Tö ; rő ; ^{balazs.toro@usask.ca" class="auth_mail" title="E-mail the corresponding author} ; Brian R. Pratt ^{brian.pratt@usask.ca" class="auth_mail" title="E-mail the corresponding author}
关键词：Green River Formation ; Seismites ; Lacustrine facies ; Oil shales ; Syndepositional tectonism ; Eocene
刊名：Sedimentary Geology
出版年：2016
出版时间：October 2016
年：2016
卷：344
期：Complete
页码：175-204
全文大小：11016 K

文摘

•: The lacustrine Green River Formation (Wyoming) hosts a wide variety of seismites.
•: Folds, load structures, microfaults, breccias, and dikes occur in profundal deposits.
•: They indicate Eocene (~ 51.5 Ma) earthquakes sourced along the Uinta Thrust System.
•: Earthquakes had minimum magnitude 6–7, intensity (MCS) ~ 9, and mean recurrence of ~ 8 k.y.
•: Seismites also mark a shift from balanced-fill to underfilled stages in lake evolution.