Structure 508, masonry surface structure

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Features

Doorway (Feature 1) Top of page
General description
Raised-sill doorway.
Use history
Access between Structure 508 and the courtyard (Nonstructure 513).
Associated features
Same doorway at Nonstructure 513 (courtyard), Feature 4.
Excavation procedure
Recorded in provenience data, which are available through the "Field Data: Provenience Data" query in the multisite research database.
Portion excavated
All.
Horizontal location
South wall, east of center.
Vertical location
73 cm above floor (Surface 1).
Construction
The west side of the doorway is coursed, double-stone masonry with pecked cornerstones; the east side is missing (collapsed). The sill is a sandstone slab.
Remodeling/ modification
Not Recorded
Thermal alteration
Not Recorded
Sooting
Not Recorded
Sealed
No
Preservation
Poor.
Degree of preservation
East side missing; west side only two courses high.
Shape in plan view
Actual:  unknown.
Inferred: 
Shape in cross section
Actual:  unknown.
Inferred:  rectangular.
Shape comments
Poor condition makes it impossible to determine shape, but both plan and cross section were probably rectangular.
Dimensions
 
Actual
Complete?
Inferred
Comments
Length
No
Not applicable.
Width
No
See Database Map 4107.
Height
16
No
From field map 68.
Depth
No
See Database Map 4107.
Stratigraphy
Stratum
Interpretation
Inclusions
Disturbance
Color
Texture
1
Structure collapse: wall fall.
Not recorded.
Not recorded.
Not recorded.
Not recorded.
Burned spot, surface feature (Feature 2) Top of page
General description
Ash and "organic-looking" fill containing charcoal, bone, and artifacts; fire-blackening on face of nearby boulder.
Use history
Location of small fire on the surface--no indication in notes as to how large, intense, or frequently used. It is possible that the use of this feature predates the construction of Structure 508 (see PD 705 form).
Associated features
None.
Excavation procedure
Excavated as Stratum 4 of Structure 508; later designated a feature. See provenience data (available through the "Field Data: Provenience Data" query in the multisite research database). Not mapped.
Portion excavated
All.
Horizontal location
Not mapped. Sketch on PD 705 form shows it in the north-central part of room.
Vertical location
Surface 2.
Construction
Not formally constructed. Expedient feature created by the burning of a fire directly on a surface.
Remodeling/ modification
No
Thermal alteration
Yes. Fire-blackening on face of nearby bedrock boulder.
Sooting
Yes. Unknown if "fire-blackening" also refers to sooting.
Sealed
No
Preservation
Degree of preservation
Not recorded specifically, but on the PD 705 form it is stated that the feature was "possibly prehistorically disturbed."
Shape in plan view
Actual:  unknown.
Inferred: 
Shape in cross section
Actual:  unknown.
Inferred: 
Shape comments
Not recorded.
Dimensions
 
Actual
Complete?
Inferred
Comments
Length
No
Not recorded.
Width
No
Not recorded.
Height
No
Not applicable.
Depth
6
Yes
From sketch on PD 705 form.
Stratigraphy
Stratum
Interpretation
Inclusions
Disturbance
Color
Texture
1
In-place buring, primary refuse.
Charcoal, bone, artifacts.
Possibly some prehistoric disturbance?
Black, gray.
Ash, "organic-looking" fill.