Cylinders of sand crystals, composed of single crystals of calcite that poikilitically enclose detrital grains, and calcite-cemented sandstones from the Tensleep (Pennsylvanian, Wyoming) and Supai ...

Scientists from Stellenbosch University and elsewhere have used advanced uranium-lead (U-Pb) dating and elemental mapping to measure trace amounts of uranium and lead inside the calcite of fossilized ...

An international team of geologists and paleontologists is pioneering a groundbreaking methodology to reliably determine the ...

Specimens of Dover Plains dolomite, Knox dolomite, and Solenhofen limestone were recrystallized under stress and by annealing (after previous cold working) to find the preferred orientations of c-axes ...

The Adirondacks may be "new," but the rock is a billion years old, pushed up through the newer rock of the Champlain region. Mixed in, the remains... Jan 28, 2016 — The Adirondacks may be "new," but ...