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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Geology (GG)
Sir plese tell pemt evidence or what occured in pemt ??
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Sajan sarthak Best Answer
Dear student are you talking about PETM 1.The Paleocene–Eocene Thermal Maximum (PETM), alternatively "Eocene thermal maximum 1" (ETM1), and formerly known as the "Initial Eocene" or "Late Paleocene Thermal Maximum", was a time period with a more than 5–8 °C global average temperature rise across the event. 2.Fossil records for many organisms show major turnovers. For example, in the marine realm, a mass extinction of benthic foraminifera, a global expansion of subtropical dinoflagellates, and an appearance of excursion, planktic foraminifera and calcareous nanofossils all occurred during the beginning stages of PETM. 3.On land, modern mammal orders (including primates ) suddenly appear in Europe and in North America. Sediment deposition changed significantly at many outcrops and in many drill cores spanning this time interval.
sir can u please tell me the cause PEMT?
Although the underlying causes are unclear, some authorities associate the PETM with the sudden release of methane hydrates from ocean sediments (see methane burp hypothesis) triggered by a massive volcanic eruption. so heat trpedd and temperature increased