• A loess profile in Kalat-e Naderi
  • Loess landscape under dryland wheat cultivation
  • Numerous landslides in the loess deposits bordering the Doosti Dam
  • Loess and reworked loess along the Toroq River
  • The city of Kalat and its rice paddies
  • Thin loess deposits on the broad summits of granitic rolling hills south of Mashhad
  • Sandy deposits along the banks of the Harirud River between Sarakhs and the Doosti Dam
  • A section of the Kalat-e Naderi double syncline
This event will be held in a hybrid format, allowing for both in-person and online participation, to improve accessibility for colleagues worldwide.
 
Official Announcement: Supporters and Organizers of the 4th International Conference on Quaternary Sciences

We are pleased to announce that the 4th International Conference on Quaternary Sciences is officially supported and indexed by major national databases, including the Scientific Information Database (SID), the Islamic World Science Citation Center (ISC), and CIVILICA.

On the international stage, we are proud to have the distinguished support of the Association for Trans-Eurasia Exchange and Silk-Road Civilization Development (ATES) and The Institute of Tibetan Plateau Research (ITP).

This prestigious event is organized in the city of Mashhad, Iran, through the collaborative efforts of the Geological Survey & Mineral Explorations of Iran (GSI), the Iranian Quaternary Association (IRQUA), and Ferdowsi University of Mashhad.

We eagerly await your participation in this significant academic event.

Regards,

The Conference Organizing Committee
 

Welcome Message

Welcome to the 4th International Conference on Quaternary Sciences, a distinguished gathering where the shining minds of our industry assemble to share what they have learned since we last met. If it is your first time attending, then thank you for stepping into our world! If you are a returning guest, then thank you for coming back! Whether you are attending for the first or the fourth time, we treasure your trust in what we have to offer. We promise to make it worth your while.

As in years past, we have put together an energetic collection of seminars, speeches, and workshops to whet your appetite for learning. We are honored that this year’s conference is hosted by the Ferdowsi University of Mashhad in Iran.

This conference is highlighted by its exceptional Workshops and Field Trips. We are particularly excited to offer a specialized Field Workshop on Paleosedimentology and Paleogeomorphology in the Sarakhs region of Northeastern Iran, providing a unique hands-on learning opportunity.

Our guest list and speaking schedule are detailed in the FIRST CIRCULAR of the conference. Please take a look and circle the sessions that interest you most. We are thrilled to host renowned keynote speakers who are leading experts in the fields of Paleoclimatology, Geomorphology, Pedology, and Climate Change. Be sure not to miss the opportunity to attend their insightful presentations.

Please feel free to connect with us to learn more as the event unfolds.

Thank you again, and welcome

Sponsors

Organizers




     



 

Poster

Important Dates

  • 10 December 2025: Conference 
    11 December 2025: Field Workshop, Northeastern Iran, Sarakhs
    11 August 2025: Registration and Paper Submission Opens
    20 November 2025: Registration and Paper Submission Closes

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