Summary
Analysis of the rock layers revealed marine fossils and characteristics indicating the region was submerged under seawater around 40 million years ago.
These findings provide insight into the geological evolution of northeastern India.
Key Points
4 points1
The investigation focused on a well‑known middle‑Eocene sedimentary rock formation.
2
Marine evidence such as fossils confirmed the presence of an ancient sea.
3
The study was conducted by scientists at Nagaland University.
4
Understanding past sea coverage helps explain current landscapes and climate history.
New Words to Learn
5 wordssedimentary
rock made from tiny pieces that settled together like sand
formation
a layer of rocks that was created in one place
marine fossils
remains of sea animals that lived a long time ago
geological evolution
how the Earth's surface changes over very long periods
northeastern India
the part of India that includes the state of Assam
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