Fig. 12. A in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey

Fig. 12. A. Grain size analysis of the composite section at AMNH locs. 3345, 3346, and 3349, northeastern Monmouth County, New Jersey. The New Egypt/Hornerstown formational contact is plotted at 0. The percentage is by weight. B. Mineralogy of the same samples as percentage of grains of glauconite, mica, and other (e.g., quartz, heavy minerals).