Nonstructure 913, extramural surface

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Features

Pit: not further specified (Feature 1) Top of page
General description
Rock-lined basin-shaped pit excavated into undisturbed native sediments.
Use history
Unknown due to lack of internal features; secondary refuse was deposited into pit after it was no longer used for its original purpose.
Associated features
None.
Excavation procedure
This feature was excavated as Segment 1 (rest of feature continued into southern and western profile walls) in a full cut due to the extreme sloping of the feature's depth. Fill was excavated with a trowel and screened with a 1/4 inch screen.
Portion excavated
Entire portion of Segment 1 within 1-x-1 552N 531E.
Horizontal location
Vertical location
Construction
A basin-shaped pit was excavated from Surface 1 into undisturbed native sediments. The pit was not modified in any way except that irregular sandstone pieces were placed around the lining of the pit directly on Surface 1.
Remodeling/ modification
No
Thermal alteration
No
Sooting
No
Sealed
Yes. Capped with secondary refuse deposits
Preservation
Excellent.
Degree of preservation
Shape in plan view
Actual:  basin-shaped.
Inferred: 
Shape in cross section
Actual:  elliptical.
Inferred: 
Shape comments
Dimensions
 
Actual
Complete?
Inferred
Comments
Length
77
No
Measured east-west along south profile wall.
Width
41
No
Measured north-south along west profile wall.
Height
No
Depth
30
Yes
8 cm at southeast corner; 30 cm at southwest corner.
Stratigraphy
Stratum
Interpretation
Inclusions
Disturbance
Color
Texture
A
Secondary refuse used to cap Feature 6
Charcoal; caliche; sandstone; burned adobe
Sparse roots
Reddish brown
Ashy silty clay