Paleocurrents and Basin Analysis

In the past, interest in sedimentary structures has arisen mainly from the expectation that these features might be a guide to the environment of depo­ sition. But many sedimentary structures have also proved useful in determining stratigraphic order in nonfossiliferous, steeply inclined beds especially in Pre­ cambrian terranes. As the sequence problem has been reviewed at length by Shrock, it se...