The bulk silicate Earth (BSE) is depleted in moderately volatile elements, indicating Earth formed from a mixture of volatile-rich and -poor materials.
enstatite chondrite
Posted inAstrochemistry, Astrogeology, Biogeochemical Cycles & Geobiology, Exoplanets, -moons, -comets, Meteorites & Asteroids, Status Report
The Source Of Hydrogen In Earth’s Building Blocks
Due to their isotopic similarity to terrestrial rocks across a range of elements, the meteorite group that is thought to best represent Earth’s building blocks is the enstatite chondrites (ECs).
Posted inArtemis & Lunar Exploration, Astrochemistry, Astrogeology, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Icy Worlds, Mapping, Geodesy, Cartography, Bathymetry, Meteorites & Asteroids, Moon, Press Release, Water/Hycean Worlds & Oceanography
Study Reveals Origins Of Lunar Water And Its Connection To Earth’s Early History
The team analyzed water in nine samples from the Apollo lunar mission, using a high-precision triple oxygen isotope technique. This method, developed by Dr. Morgan Nunn Martinez of the University […]