World's Best Scientists 2026 revealed!
Jahandar Ramezani

Jahandar Ramezani

D-Index & Metrics

Earth Science

D-Index
49
Citations
9964
World Ranking
3563
National Ranking
1410

Overview

Jahandar Ramezani is affiliated with MIT in the United States and specializes in Earth and Planetary Sciences. Their research spans 136 publications primarily focused on paleontology, geophysics, atmospheric science, geology, and artificial intelligence within the broader Earth sciences domain.

The scientist's work concentrates on several main topics including geological and geochemical analysis, paleontology and stratigraphy of fossils, geology and paleoclimatology research, paleontology and evolutionary biology, evolution and paleontology studies, geochemistry and geologic mapping, as well as earthquake and tectonic studies.

Jahandar Ramezani has contributed to numerous scientific papers, some of the notable publications include:

  • High-precision U-Pb age constraints on the Permian floral turnovers, paleoclimate change, and tectonics of the North China block (2021), published in Geology
  • The Late Triassic Ischigualasto Formation at Cerro Las Lajas (La Rioja, Argentina): fossil tetrapods, high-resolution chronostratigraphy, and faunal correlations (2020), published in Scientific Reports
  • Progress, problems and prospects: An overview of the Guadalupian Series of South China and North America (2020), published in Earth-Science Reviews
  • Calibrating the zenith of dinosaur diversity in the Campanian of the Western Interior Basin by CA-ID-TIMS U-Pb geochronology (2022), published in Scientific Reports
  • Sustained and intensified lacustrine methane cycling during Early Permian climate warming (2022), published in Nature Communications

Frequent co-authors in their research include Shu-zhong Shen, Qiong Wu, Yichun Zhang, Zhang-shuai Hou, and Douglas H. Erwin. These collaborations highlight interdisciplinary approaches across various subfields linked to paleontology and Earth sciences.

Jahandar Ramezani's publications often appear in venues such as Abstracts with Programs - Geological Society of America, Geological Society of America Bulletin, Earth and Planetary Science Letters, Palaeogeography Palaeoclimatology Palaeoecology, and Scientific Reports. These journals reflect the scientist's engagement with both geological and paleontological research communities.

Best Publications

  • Calibrating the End-Permian Mass Extinction

    Shu-zhong Shen;James L. Crowley;James L. Crowley;Yue Wang;Samuel A. Bowring

  • The Saghand Region, Central Iran: U-Pb geochronology, petrogenesis and implications for Gondwana Tectonics

    Jahandar Ramezani;Robert D. Tucker

  • Extinction of Cloudina and Namacalathus at the Precambrian-Cambrian boundary in Oman

    Joachim E. Amthor;John P. Grotzinger;Stefan Schröder;Samuel A. Bowring

  • Geochronologic constraints on the chronostratigraphic framework of the Neoproterozoic Huqf Supergroup, Sultanate of Oman

    Samuel A Bowring;John P Grotzinger;Daniel J Condon;Jahandar Ramezani

  • Dodging snowballs: Geochronology of the Gaskiers glaciation and the first appearance of the Ediacaran biota

    Judy P. Pu;Judy P. Pu;Samuel A. Bowring;Jahandar Ramezani;Paul Myrow

  • Geochronological constraints on terminal Neoproterozoic events and the rise of Metazoan

    S. Bowring;P. Myrow;E. Landing;J. Ramezani

  • Timing of recovery from the end-Permian extinction: Geochronologic and biostratigraphic constraints from south China

    Daniel J. Lehrmann;Jahandar Ramezani;Samuel A. Bowring;Mark W. Martin

  • High-precision U-Pb zircon geochronology of the Late Triassic Chinle Formation, Petrified Forest National Park (Arizona, USA): Temporal constraints on the early evolution of dinosaurs

    Jahandar Ramezani;Gregory Dean Hoke;David E. Fastovsky;Samuel A. Bowring

  • Coeval Large-Scale Magmatism in the Kalahari and Laurentian Cratons During Rodinia Assembly

    Richard E. Hanson;James L. Crowley;Samuel A. Bowring;Jahandar Ramezani

  • High-precision temporal calibration of Late Permian vertebrate biostratigraphy: U-Pb zircon constraints from the Karoo Supergroup, South Africa

    Bruce S. Rubidge;Douglas H. Erwin;Douglas H. Erwin;Jahandar Ramezani;Samuel A. Bowring

  • U-Pb age constraints on dinosaur rise from south Brazil

    Max C. Langer;Jahandar Ramezani;Átila A.S. Da Rosa

  • Geology and thermochronology of Tertiary Cordilleran-style metamorphic core complexes in the Saghand region of central Iran

    Charles Verdel;Brian P. Wernicke;Jahandar Ramezani;Jamshid Hassanzadeh

  • A sudden end-Permian mass extinction in South China

    Shu-zhong (沈树忠) Shen;Shu-zhong (沈树忠) Shen;Jahandar Ramezani;Jun Chen;Chang-Qun (曹长群) Cao

  • A new giant titanosaur sheds light on body mass evolution among sauropod dinosaurs

    José Luis Carballido;Diego Pol;Alejandro Otero;Ignacio Alejandro Cerda

  • When and how did the terrestrial mid-Permian mass extinction occur? Evidence from the tetrapod record of the Karoo Basin, South Africa.

    Michael O. Day;Jahandar Ramezani;Samuel A. Bowring;Peter M. Sadler

  • High-precision U–Pb geochronology and a new chronostratigraphy for the Cañadón Asfalto Basin, Chubut, central Patagonia: Implications for terrestrial faunal and floral evolution in Jurassic

    Rubén Cúneo;Jahandar Ramezani;Roberto Scasso;Roberto Scasso;Diego Pol

  • Geomorphic evidence for post-10 Ma uplift of the western flank of the central Andes 18°30′ - 22°S

    Gregory D. Hoke;Gregory D. Hoke;Bryan L. Isacks;Teresa E. Jordan;Nicolás Blanco

  • Paleoproterozoic intraplate magmatism and basin development on the Kaapvaal Craton: Age, paleomagnetism and geochemistry of ~1.93 to ~1.87 Ga post-Waterberg dolerites

    R.E. Hanson;W.A. Gose;J.L. Crowley;J. Ramezani

  • An integrated biostratigraphy (conodonts and foraminifers) and chronostratigraphy (paleomagnetic reversals, magnetic susceptibility, elemental chemistry, carbon isotopes and geochronology) for the Permian–Upper Triassic strata of Guandao section, Nanpanjiang Basin, south China

    Daniel J. Lehrmann;Leanne M. Stepchinski;Demir Altiner;Michael J. Orchard

  • Constraints on early Cambrian carbon cycling from the duration of the Nemakit-Daldynian–Tommotian boundary δ13C shift, Morocco

    Adam C. Maloof;Jahandar Ramezani;Samuel A. Bowring;David A. Fike

  • U-Pb geochronology of mid-Paleozoic plutonism in western New Zealand: Implications for S-type granite generation and growth of the east Gondwana margin

    A.J. Tulloch;J. Ramezani;D.L. Kimbrough;K. Faure

  • Cretaceous felsic volcanism in New Zealand and Lord Howe Rise (Zealandia) as a precursor to final Gondwana break-up

    A. J. Tulloch;J. Ramezani;N. Mortimer;J. Mortensen

Frequent Co-Authors

Nicholas L. Swanson-Hysell
Nicholas L. Swanson-Hysell University of Minnesota
Douglas H. Erwin
Douglas H. Erwin National Museum of Natural History
James L. Crowley
James L. Crowley Boise State University
Shu-zhong Shen
Shu-zhong Shen Chinese Academy of Sciences
William C. Clyde
William C. Clyde University of New Hampshire
Kirk R. Johnson
Kirk R. Johnson National Museum of Natural History
Adam C. Maloof
Adam C. Maloof Princeton University
Max C. Langer
Max C. Langer Universidade de São Paulo

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For those interested in expanding their knowledge beyond Earth Science, there are numerous related online degree options that cater to diverse interests and career goals. Seniors looking to re-engage with academics will find valuable information exploring college degrees for seniors, which highlights flexible programs designed to fit mature learners’ lifestyles.

Individuals passionate about information management and research may consider pursuing degrees recognized for their specialization, such as the ala accredited mls programs. These degrees open pathways to careers in libraries, archives, and information centers.

Building on that, a library degree offers a strong foundation for managing digital and physical collections, combining technology with traditional educational skills. This can be a solid complement to Earth Science if you are interested in data curation and scientific information dissemination.

For those drawn to creativity and visualization, pursuing a bachelors in photography online can develop skills in digital imaging and environmental photography, which are valuable in documenting natural phenomena and scientific observations.

Best Scientists Citing Jahandar Ramezani

Trending Scientists