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MOON’S TITANIUM-RICH ROCKS

In a breakthrough published in late March 2026, a collaborative team from IIT Kharagpur and the Physical Research Laboratory (PRL), Ahmedabad, experimentally decoded the 4.4-billion-year-old mystery of the Moon’s titanium-rich rocks. This study, appearing in Geochimica et Cosmochimica Acta, provides a vital geological roadmap for ISRO’s Chandrayaan-4 sample-return mission.

The Science of Lunar Ilmenite

The "Magma Ocean" Origins: About 4.5 billion years ago, the Moon was covered in a global magma ocean. As it cooled, dense minerals like ilmenite (FeTiO₃) sank to form a deep interior layer known as Ilmenite-Bearing Cumulates (IBC).

Strategic Impact on Chandrayaan-4

Landing Site Selection: While the South Pole (specifically near Mons Mouton) is the primary target for water ice, this research helps identify "titanium hotspots" where the mission can collect diverse samples to study the Moon's deep internal evolution.
Refining Remote Sensing: The findings allow ISRO to better interpret orbital data from Chandrayaan-2, linking surface titanium signatures to the specific volcanic processes that created them.
Resource Mapping: Identifying ilmenite is crucial for In-Situ Resource Utilization (ISRU), as titanium is a vital material for future sustainable lunar bases

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