Science ❯ Earth Sciences ❯ Geochemistry

Isotope Geochemistry

Potassium Isotopes Lunar Soil Analysis Ruthenium Isotopes Volatile Elements Oxygen Isotopes Nitrogen Isotopes Noble Gas Studies Strontium Isotopes Thallium Isotopes Osmium Isotopes

4 ARTICLES

last wk.

Mars Shergottite NWA 13441 Dated to 1.27 Billion Years, Filling Long Gap in Record

A peer‑reviewed samarium–neodymium study published in August 2026 suggests the rock records a previously unsampled mantle signature and prompts further isotopic tests.

5 ARTICLES

7mo ago

Apollo Soil Study Finds Meteorites Supplied Only a Small Share of Earth’s Water

6 ARTICLES

7mo ago

Far-Side Moon Samples Link South Pole–Aitken Impact to Lunar Asymmetry

3 ARTICLES

10mo ago

MIT-Led Team Finds Proto-Earth Signature Preserved in Deep Mantle After Moon-Forming Impact

4 ARTICLES

10mo ago

Ancient Mantle Rocks Reveal Potassium-40 Deficit Linked to Surviving Proto‑Earth

6 ARTICLES

10mo ago

Earliest Evidence of Coral-Algae Symbiosis Discovered in 385-Million-Year-Old Fossils

4 ARTICLES

2y ago

New Study Reveals Magma Pooling Triggered 2021 Icelandic Eruption

Isotope Geochemistry

Mars Shergottite NWA 13441 Dated to 1.27 Billion Years, Filling Long Gap in Record

Apollo Soil Study Finds Meteorites Supplied Only a Small Share of Earth’s Water

Far-Side Moon Samples Link South Pole–Aitken Impact to Lunar Asymmetry

MIT-Led Team Finds Proto-Earth Signature Preserved in Deep Mantle After Moon-Forming Impact

Ancient Mantle Rocks Reveal Potassium-40 Deficit Linked to Surviving Proto‑Earth

MIT Team Finds Potassium-40 Anomaly That Points to Surviving Proto‑Earth Mantle

Study Confirms Earth's Core Leaks Gold and Precious Metals Into Mantle

Chang’e-6 Mission Unveils New Insights into Moon's Volcanic Past

Mars Meteorite Reveals Evidence of Ancient Liquid Water

Earliest Evidence of Coral-Algae Symbiosis Discovered in 385-Million-Year-Old Fossils

New Study Reveals Magma Pooling Triggered 2021 Icelandic Eruption