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Books > Earth & environment > Earth sciences > Geology & the lithosphere > Geological surface processes (geomorphology)
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The Indian Paleogene (Paperback, Softcover reprint of the original 1st ed. 2018)
Loot Price: R3,797
Discovery Miles 37 970
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The Indian Paleogene (Paperback, Softcover reprint of the original 1st ed. 2018)
Series: Society of Earth Scientists Series
Expected to ship within 10 - 15 working days
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This unique book provides a concise account of Indian Paleogene and
presents a unified view of the Paleogene sequences of India. The
Paleogene, comprising the early part of the Cenozoic Era, was the
most dynamic period in the Earth's history with profound changes in
the biosphere and geosphere. The period spans ~42 million years,
beginning from post- K/T mass extinction event at ~65 Ma and ending
at ~23 Ma, when the first Antarctic ice sheet appeared in the
Southern Hemisphere. The early Paleogene (Paleocene-Eocene) has
been considered a globally warm period, superimposed on which were
several transient hyperthermal events of extreme warmth. Of these,
the Palaeocene Eocene Thermal Maxima (PETM) boundary interval is
the most prominent extreme warming episode, lasting 200 Ka. PETM is
characterized by 2-60/00 global negative carbon isotope excursion.
The event coincided with the Benthic Extinction Event (BEE) in deep
sea and Larger Foraminifera Turnover (LFT) in shallow seas. Rapid
~60-80 warming of high latitudinal regions led to major faunal and
floral turnovers in continental, shallow-marine and deep-marine
areas. The emergence and dispersal of mammals with modern
characteristics, including Artiodactyls, Perissodactyls and
Primates (APP), and the evolution and expansion of tropical
vegetation are some of the significant features of the Paleogene
warm world. In the Indian subcontinent, the beginning and end of
the Paleogene was marked by various events that shaped the various
physiographic features of the Indian subcontinent. The subcontinent
lay within the equatorial zone during the earliest part of the
Paleogene. Carbonaceous shale, coal and lignite deposits of early
Eocene age (~55.5-52 Ma) on the western and north-eastern margins
of the Indian subcontinent are rich in fossils and provide
information on climate as well as the evolution and
paleobiogeography of tropical biota. Indian Paleogene deposits in
the India-Asia collision zone also provide information pertaining
to the paleogeography and timing of collision. Indian Paleogene
rocks are exposed in the Himalayan and Arakan mountains; Assam and
the shelf basins of Kutch-Saurashtra, Western Rajasthan;
Tiruchirappalli-Pondicherry and Andaman and, though aerially
limited, these rocks bear geological evidence of immense
importance.
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