obsidian dating
1obsidian dating — Archaeol. a method of dating obsidian artifacts or debitage by calculating how long it has taken to produce a given thickness of a hydration layer within such matter. [1965 70] * * * …
2obsidian dating — Archaeol. a method of dating obsidian artifacts or debitage by calculating how long it has taken to produce a given thickness of a hydration layer within such matter. [1965 70] …
3Obsidian hydration dating — (OHD) is a geochemical method of determining age in either absolute or relative terms of an artifact made of obsidian. Obsidian is a volcanic glass that was sometimes used as a raw material in the manufacture of stone tools such as projectile… …
4Obsidian use in Mesoamerica — Obsidian projectile point. Obsidian is a naturally formed volcanic glass that was an important part of the material culture of Pre Columbian Mesoamerica. Obsidian was a highly integrated part of daily and ritual life, and its widespread and… …
5Obsidian (comics) — Obsidian Obsidian. Art by Mike Machlan. Publication information Publisher DC Comics First appearance …
6Dating methodologies in archaeology — Dating material drawn from the archaeological record can be made by a direct study of an artifact or may be deduced by association with materials found in the context the item is drawn from or inferred by its point of discovery in the sequence… …
7Dating methodology (archaeology) — Dating material drawn from the archaeological record can made by a direct study of an artifact or may be deduced by association with materials found in the context the item is drawn from or inferred by its point of discovery in the sequence… …
8Obsidian Butterfly —   …
9Obsidian — For other uses, see Obsidian (disambiguation). Obsidian Obsidian from Lake Cou …
10Incremental dating — techniques allow the construction of year by year annual chronologies, which can be temporally fixed ( i.e., linked to the present day and thus calendar or sidereal time) or floating.Archaeologists use tree ring dating (dendrochronology) to… …
