WHERE CARNIAN MEETS NORIAN: THE UPPER TRIASSIC LUNING FORMATION

Step into the sunbaked folds of West Union Canyon, just beyond Berlin-Ichthyosaur State Park in Nevada, and you are quite literally walking along one of North America’s most important geological fault lines in time—the elusive boundary between the Carnian and Norian stages of the Late Triassic.Here, the Upper Triassic Luning Formation—specifically the Early Norian Kerri Zone—reveals itself in a