Fast facts
Type also called Fractured Base points
Triangular blade, sometimes with beveled edges indicating resharpening
Short base is corner notched
Basal edge flattened in a distinct manner; slight indentation made in the center of the base, then a narrow flake of flint (burin spall) struck off each corner of base toward the center, forming a flat surface
Basal edge ground sometimes
Size: Range from 2 to 4 inches long, occasionally longer
Early Archaic: 7500-6000 BC