Quartzite
Rubielos de la Cérida impact basin, Rubielos de la Cérida, Teruel, Aragon, Spain
Quartzite cobble from the Lower Triassic Buntsandstein conglomerates outcropping in the impact area showing crater-like surface features with intense radial fractures. Ernstson el al (2001) summarize their results:
"Sections through the cratered cobbles reveal pervasive internal fracturing, segments detached along concave spall fractures, and ...
© 2024 Harold Moritz