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Browsing by Author "Ramezani, Jahandar"

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Calibrating the End-Permian Mass Extinction

Shen, Shu-Zhong; Crowley, James L.; Wang, Yue; Bowring, Samuel A.; Erwin, Douglas H.; Sadler, Peter M.; Cao, Chang-qun; Rothman, Daniel H.; Henderson, Charles M.; Ramezani, Jahandar; Zhang, Hua; Shen, Yanan; Wang, Xiang-Dong; Wang, Wei; Mu, Lin; Li, Wen-Zhong; Tang, Yue-Gang; Liu, Xiao-Lei; Liu, Lu-Jun; Zeng, Yong; Jiang, Yao-Fa; Jin, Yu-Gan (2011)

The end-Permian mass extinction was the most severe biodiversity crisis in Earth history. To better constrain the timing, and ultimately the causes of this event, we collected a suite of geochronologic, isotopic, and ...
Constructing a time scale of biotic recovery across the Cretaceous–Paleogene boundary, Corral Bluffs, Denver Basin, Colorado, U.S.A

Fuentes, Anthony J.; Clyde, William C.; Weissenburger, Ken; Bercovici, Antoine; Lyson, Tyler R.; Miller, Ian M.; Ramezani, Jahandar; Isakson, Vincent; Schmitz, Mark D.; Johnson, Kirk R. (2019)
Direct high-precision U Pb geochronology of the end-Cretaceous extinction and calibration of Paleocene astronomical timescales

Clyde, William C.; Ramezani, Jahandar; Johnson, Kirk R.; Bowring, Samuel A.; Jones, Matthew M. (2016)

The Cretaceous Paleogene (K Pg) boundary is the best known and most widely recognized global time horizon in Earth history and coincides with one of the two largest known mass extinctions. We present a series of new ...
The Global Stratotype Section and Point (GSSP) for the base of the Capitanian Stage (Guadalupian, Middle Permian)

Shen, Shu-zhong; Yuan, Dong-xun; Henderson, Charles M.; Lambert, Lance L.; Zhang, Yi-chun; Erwin, Douglas H.; Ramezani, Jahandar; Wang, Xiang-dong; Zhang, Hua; Wu, Qiong; Wang, Wen-qian; Hearst, Jonena M.; Chen, Jun; Wang, Yue; Qie, Wen-kun; Qi, Yu-ping; Wardlaw, Bruce R. (2022)
High-precision U-Pb zircon age constraints on the Guadalupian in West Texas, USA

Wu, Qiong; Ramezani, Jahandar; Zhang, Hua; Yuan, Dong-xun; Erwin, Douglas H.; Henderson, Charles M.; Lambert, Lance L.; Zhang, Yi-chun; Shen, Shu-Zhong (2020)
Multiple Proxy Estimates of Atmospheric CO <SUB>2</SUB> From an Early Paleocene Rainforest

Kowalczyk, Jennifer B.; Royer, Dana L.; Miller, Ian M.; Anderson, Clive W.; Beerling, David J.; Franks, Peter J.; Grein, Michaela; Konrad, Wilfried; Roth-Nebelsick, Anita; Bowring, Samuel A.; Johnson, Kirk R.; Ramezani, Jahandar (2018)
Progress, problems and prospects: An overview of the Guadalupian Series of South China and North America

Shen, Shu-zhong; Yuan, Dong-xun; Henderson, Charles M.; Wu, Qiong; Zhang, Yi-chun; Zhang, Hua; Mu, Lin; Ramezani, Jahandar; Wang, Xiang-dong; Lambert, Lance L.; Erwin, Douglas H.; Hearst, Jonena M.; Xiang, Lei; Chen, Bo; Fan, Jun-xuan; Wang, Yue; Wang, Wen-qian; Qi, Yu-ping; Chen, Jun; Qie, Wen-kun; Wang, Tian-tian (2020)

The Guadalupian Epoch is marked by the formation of the Pangean supercontinent, global sea-level change, rifting and drifting of the Cimmerian continents, formation of large igneous provinces and dramatic biotic changes. ...
Redefinition of the Global Stratotype Section and Point (GSSP) and new Standard Auxiliary Boundary Stratotype (SABS) for the base of Wuchiapingian Stage (Lopingian Series, Permian) in South China

Shen, Shu-zhong; Yuan, Dong-xun; Zhang, Yi-chun; Henderson,Charles, M.; Zheng, Quan-feng; Zhang, Hua; Zhang, Min; Dai, Yu; Xu, Hai-peng; Wang, Wen-qian; Li, Qian; Wang, Yue; Wang, Xiang-dong; Mu, Lin; Ramezani, Jahandar; Erwin, Douglas H.; Angiolini, Lucia; Zhang, Fei-fei; Hou, Zhang-shuai; Chen, Jun; Zhang, Xi-yang; Zhang, Shu-han; Wu, Qiong; Pan, Yong-xin; Stephenson, Michael; Mei, Shi-long (2023)
A sudden end-Permian mass extinction in South China

Shen, Shu-Zhong; Ramezani, Jahandar; Chen, Jun; Cao , Chang-Qun; Erwin, Douglas H.; Zhang, Hua; Xiang, Lei; Schoepfer, Shane D.; Henderson, Charles M.; Zheng, Quan-Feng; Bowring, Samuel A.; Wang, Yue; Li, Xian-Hua; Wang, Xiang-Dong; Yuan, Dong-Xun; Zhang, Yi-Chun; Mu, Lin; Wang, Jun; Wu, Ya-Sheng (2018)

Previous studies of the end-Permian mass extinction have established that it was geologically rapid, but condensed sections have made it difficult to establish the exact timing of the extinction relative to fluctuations ...
When and how did the terrestrial mid-Permian mass extinction occur? Evidence from the tetrapod record of the Karoo Basin, South Africa

Day, Michael O.; Ramezani, Jahandar; Bowring, Samuel A.; Sadler, Peter M.; Erwin, Douglas H.; Abdala, Fernando; Rubidge, Bruce S. (2015)

Browsing by Author "Ramezani, Jahandar"

Browsing by Author "Ramezani, Jahandar"

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