Diagram showing deposition and ages of Colorado Headwater Basin
Detailed Description
Timing of deposition of Laramide strata in the Colorado Headwaters Basin vs. Denver Basin: Comparison of generalized Upper Cretaceous to Eocene stratigraphy between North Park/Middle Park basin west of the Laramide Front Range uplift and Denver basin to east of uplift showing geochronologic control from dated volcanic rocks, palynology data, and ammonite fossils. (From Dechesne and others, 2013)