Resolutions of the Interdepartmental Stratigraphic Committee and materials of its standing commissions . Issue. 11", created by a team of authors, is a unique collection that will be of interest not only to specialists in the field of geology and stratigraphy, but also to everyone who is fond of scientific research and seeks to deepen their knowledge in this important area. This issue is part of a series that highlights topical issues related to stratigraphy and offers the reader access to valuable material collected as part of the work of the Interdepartmental Stratigraphic Committee. The book contains rulings, recommendations and materials that were developed and discussed at meetings of the committee and its standing committees. These documents represent not only scientific research, but also practical recommendations that can be applied in various fields, such as oil and gas geology, ecology, geomorphology and other related disciplines. The reader will find in this issue many interesting topics related to modern methods of stratigraphic analysis, new approaches to the interpretation of geological data and current problems faced by researchers in their practice. The book will be especially useful for students, graduate students and young scientists who are just beginning their journey in the world of geological sciences. It will be an excellent addition to the educational materials and will help to deepen the understanding of the complex processes occurring in the bowels of the Earth. It will also be of interest to practicing geologists and specialists working in the field of exploration and mining, as it contains relevant data and recommendations that can be used in their daily work. The topics raised in this book cover a wide range of issues, including stratigraphic units, stratigraphic mapping methods, and issues related to climate change and its impact on geological processes. The authors strive not only to present facts, but also to offer new ideas and approaches that can help in solving the urgent problems facing the geological community. The style of presentation in the book is characterized by scientific rigor and clarity, which makes the material understandable even for those who are not experts in this field. The team of authors working on this publication consists of recognized experts who have extensive experience in conducting research and writing scientific papers. Their previous publications have already established themselves as reliable sources of information, and this issue was no exception. If you are looking for high-quality literature on stratigraphy that not only informs, but also inspires new discoveries, then the "Decisions of the Interdepartmental Stratigraphic Committee and the materials of its permanent commissions. Issue. 11" would be a great choice. This book will not only expand your knowledge, but also help you better understand how geological processes affect our lives and the environment. Do not miss the opportunity to touch the world of science and discover new horizons in the study of the Earth!