Deep Time: Earth’s Geologic Journey from Eternity to Homo Sapiens

by Santosh Ghosh

535 pages, Paperback

Published June 13, 2025

About the author

Santosh Ghosh is a widely recognized geologist, academician, industry practitioner and speaker with direct experience in the energy industry, research, academia, and public sector mineral exploration. He has published and presented extensively in international geological journals and conferences.

After earning his B.Sc. (Honors) and M.Sc. in geology from the Presidency College, Calcutta University, he completed his Ph.D. at Binghamton University, New York, as a U.S. Government Fulbright Scholar. A certified petroleum geologist, he is an emeritus member of AAPG and SEPM. Now living in the Greater Toronto Area, "Deep Time" reflects his 5-decade-long international career and passion for geology, including reflections on climate change and its human impact.

Reviews

[Nina Ghosh]

This book is perfect for anyone fascinated by science and nature, or simply curious about the earth and our place in it.
The end of chapter summaries and chapter highlights are a thoughtful touch. Immensely enjoyable and an informative read. Captivating cover design captures essence of the book. A meticulously researched and professionally compiled biography of the earth.