Structure 103, masonry surface structure

Back to Study Unit

Features

Pit: not further specified (Feature 1) Top of page
General description
Shallow, small, round pit with slightly irregular bottom; sandstone slab near base of feature.
Use history
Feature excavated into Surface 2, beneath base of Structure 103; either related to an earlier surface within Structure 103 or predates construction of room.
Associated features
Feature 2 may have been related.
Excavation procedure
North half of feature excavated as full cut (no internal stratigraphy detected); south half also excavated as a full cut.
Portion excavated
Entire feature.
Horizontal location
Near center of Structure 103, east of hearth (Feature 3).
Vertical location
Surface 2; approximately level with basal courses of wall footers.
Construction
Small pit excavated into undisturbed native sediment; no additional preparation of edges.
Remodeling/ modification
No
Thermal alteration
No
Sooting
No
Sealed
No
Preservation
Excellent.
Degree of preservation
Shape in plan view
Actual:  basin-shaped.
Inferred: 
Shape in cross section
Actual:  round.
Inferred: 
Shape comments
Dimensions
 
Actual
Complete?
Inferred
Comments
Length
18
Yes
Measured east-west.
Width
16
Yes
Measured north-south.
Height
No
Depth
5
No
8
Stratigraphy
Stratum
Interpretation
Inclusions
Disturbance
Color
Texture
1
Cultural fill.
Charcoal flecks, small sandstone slab.
None.
Dark brown.
Clay loam.
Pit: not further specified (Feature 2) Top of page
General description
Shallow, irregular pit filled with ash; one sandstone slab lined east edge of pit.
Use history
Feature excavated into Surface 2 beneath base of Structure 103, either related to an earlier surface within Structure 103 or predates construction of room.
Associated features
Feature 1 may be associated.
Excavation procedure
North half excavated as full cut (no internal stratigraphy detected); south half excavated as a full cut.
Portion excavated
Entire feature.
Horizontal location
Along south wall of Structure 103.
Vertical location
Excavated into Surface 2 at approximately same level as basal course of wall footer.
Construction
Irregular pit excavated into undisturbed native sediment; slab set into edge.
Remodeling/ modification
No
Thermal alteration
No
Sooting
No
Sealed
No
Preservation
Excellent.
Degree of preservation
Shape in plan view
Actual:  irregular.
Inferred: 
Shape in cross section
Actual:  irregular.
Inferred: 
Shape comments
Dimensions
 
Actual
Complete?
Inferred
Comments
Length
30
Yes
Measured east-west.
Width
22
Yes
Measured north-south.
Height
No
Depth
5
Yes
Stratigraphy
Stratum
Interpretation
Inclusions
Disturbance
Color
Texture
1
Ash deposit.
Sherd, charcoal flecking.
None.
Very light gray.
Ash.
Hearth (Feature 3) Top of page
General description
Sandstone slab-lined box hearth in center of Structure 103.
Use history
Hearth associated with use of Structure 103.
Associated features
None.
Excavation procedure
Excavated by Colorado Mountain College in 1970s.
Portion excavated
Entire feature was exposed.
Horizontal location
Center of Structure 103.
Vertical location
Surface 1.
Construction
Pit excavated and slabs set into pit to create hearth; potentially mortared into place.
Remodeling/ modification
Unknown
Thermal alteration
Yes. Sandstone is fire-reddened.
Sooting
No
Sealed
Unknown
Preservation
Poor.
Degree of preservation
Shape in plan view
Actual:  rectangular.
Inferred: 
Shape in cross section
Actual:  rectangular.
Inferred: 
Shape comments
Dimensions
 
Actual
Complete?
Inferred
Comments
Length
80
Yes
Measured on outside edges, east-west.
Width
40
No
84
Measured north-south.
Height
No
Depth
18
No
Previously excavated.
Stratigraphy
Stratum
Interpretation
Inclusions
Disturbance
Color
Texture