1963, Museum of Anthropology, The University of Michigan, Ann Arbor, No. 19. Other fine sources for terminology are:

A process in which the size of something (mineral deposits on an artifact, patina) gradually increases by the steady addition over time.

The major cultural group of the Woodland period. The Adena had cultural influences in Indiana, Kentucky, Maryland, New York, Ohio, Pennsylvania and West Virginia. The Adena are regarded in modern time [..]

A semi-precious chalcedony formed as quartz fossils of a previous geological age. The colors of agate can be clouded, clear or banded.

A rock that was used as a level base for chipping other stone into tools, blades or projectile points. Typically part of a flint knapper's toolkit.

A time frame in North American pre-history spanning 7,000 years between 10,000 B.P. to 3000 B.P. after Paleo and before Woodland times. The 7,000 years is further defined as Early, Middle and Late Arc [..]

An old, authentic object used, crafted or manufactured by the application of human workmanship or activity, especially one of prehistoric origin that may have archaeological significance especially if [..]

When used in reference to projectiles or tools, asymmetrical refers to opposing side of an object which have dissimilar contours, shape or form.

A major projectile form which has rounded or pointed ears that project from the concave base or stem of points or blades.

A large chopping tool that may have a grove for hafting to a handle.