Tag Archive for 'Breccia'

XRF map of 7.53 g slice of NWA 12593: calcium (Ca) and iron (Fe) illustrate the location and diversity of clasts; sulfur (S) highlights the location of cracks and terrestrial weathering. Image credit: Crow et al., doi: 10.1130/G54386.1.

Lunar Meteorite Preserves Evidence of Colossal Asteroid Strike

Jun 10, 2026 by News Staff

Planetary scientists analyzing a lunar meteorite known as Northwest Africa (NWA) 12593 have uncovered evidence of an asteroid impact that occurred 3.5...

A surface geology map of the proposed MAPCIS crater. Image credit: Daniel Connelly.

545-Million-Year-Old Crater Could Reshape Our Understanding of Earth’s Geological History

Sep 24, 2024 by Natali Anderson

Geologists from Virginia Commonwealth University and elsewhere have found new evidence of bolide impact signatures within specimens from the Massive Australian...