Would you expect to find dinosaur fossils in undisturbed rocks that are above the iridium layer? Explain your answer.

What school are you from and what state are you from?

In north america, most winter storms form when cold, dry air from interacts with warm, moist air from

Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.