A new modeling study contradicts a long-held belief of geologists that pore sizes and chemical compositions are uniform throughout a given strata, which are horizontal slices of sedimentary rock. By ...

Yan, M. and Wang, H. (2026) Seismic Forward Modeling of the Lower Ordovician in the Northwestern Sichuan Basin. Journal of ...

Recovered from sedimentary rock strata deposited in an ancient Chinese lake roughly 55 million years ago, Archicebus achilles provides a key link in the history of human evolution. By Lindsey ...

Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation. Sedimentation is the collective name ...

MILNER'S “Sedimentary Petrography” is essentially a laboratory manual and text-book. It incorporates two previously published works by the same author—“An Introduction to Sedimentary Petrography” and ...

This week's Friday Field Photo is from Permian strata of the Karoo Basin in South Africa. This outcrop displays some spectacular micro-faulting. The alternating lighter and darker colored layers ...