What is an excavation unit?
A defined area chosen for investigation, often a square or rectangle laid out on a site grid.
Study 2 Excavation Units and Field Methods with 12 free online flashcards. Review key terms, definitions, and concepts with this interactive flashcard deck.
What is an excavation unit?
A defined area chosen for investigation, often a square or rectangle laid out on a site grid.
How does a context differ from an excavation unit?
An excavation unit is a spatial division; a context is a distinct deposit, surface, cut, or built element recorded and interpreted separately.
What should guide excavation-unit placement?
Unit placement should test a clear research question and account for known evidence, topography, soil conditions, site boundaries, and areas to leave undisturbed.
Why establish a site grid and datum before digging?
A site grid tied to a permanent or relocatable datum, with consistent horizontal and vertical control, lets observations from separate units be compared and connected.
How should excavators respond to a soil change?
Observe and record soil properties and boundaries before interpreting them; not every change marks a distinct archaeological event.
What is an archaeological feature?
A non-portable or spatially defined archaeological element, such as a hearth, pit, posthole, wall, floor, or ditch.
What is the difference between a pit’s cut and fill?
The cut records the act of digging; the fill records material deposited afterward. They are different contexts.
What sequence is implied by a feature cut into a layer?
A feature cut into an older layer must postdate that layer; the feature’s fill must postdate the cut.
Does deeper always mean older?
No. Stratigraphic relationships provide relative sequence, not calendar dates, and disturbances or redeposition can disrupt the relationship between depth and age.
How should distinguishable deposits be excavated?
Excavate according to their boundaries and relationships rather than removing a uniform thickness through unrelated layers.
What are arbitrary levels, and what do they represent?
They are measured increments used as a control when internal boundaries cannot be reliably seen; they do not necessarily represent separate ancient events.
Why keep spoil from different contexts separate?
Keep spoil from separate contexts apart so finds retain their provenience.
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