Nonstructure 504, extramural surface

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Features

Pit: not further specified (Feature 1) Top of page
General description
Round pit excavated into sterile sediments and later used for secondary refuse deposits.
Use history
Unknown; most likely an extramural use-area associated with Structure 502.
Associated features
None.
Excavation procedure
All of feature within 1-x-1 m unit was excavated in 10 cm levels until sterile deposits were reached.
Portion excavated
All of feature within 1-x-1 m unit, Segment 1.
Horizontal location
Northeastern portion of Nonstructure 501; southeast of Structure 502; in southeastern corner of 1-x-1 m unit 456N 486E.
Vertical location
Surface 1 is located approximately 20 cm below the modern ground surface.
Construction
Pit was excavated into sterile sediments, Surface 1, creating a basin-shaped pit. The walls and floor are not prepared.
Remodeling/ modification
No
Thermal alteration
No
Sooting
No
Sealed
Yes. Secondary refuse was deposited into pit after it was no longer used for it's original purpose
Preservation
Excellent.
Degree of preservation
Shape in plan view
Actual:  unknown.
Inferred:  basin-shaped.
Shape in cross section
Actual:  unknown.
Inferred:  round.
Shape comments
Dimensions
 
Actual
Complete?
Inferred
Comments
Length
81
No
Measured north-south; continues into south profile wall.
Width
15
No
15-55 cm; measured east-west; continues into east profile wall.
Height
No
Depth
54
Yes
Measured from Surface 1 to feature floor.
Stratigraphy
Stratum
Interpretation
Inclusions
Disturbance
Color
Texture
1
Secondary refuse mixed with natural sediments
Sandstone, caliche, charcoal
Roots, insects
7.5 YR 4/6
Silty clay loam
2
Charcoal lense
Charcoal
None
7.5 YR 3/2
Silty clay loam
3
Secondary refuse
Sandstone, caliche, charcoal
None
7.5 YR 4/6
Silty clay loam
4
Secondary refuse
Charcoal, sandstone
None
5YR 6/1
Ash