Nonstructure 110, extramural surface

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Features

Posthole (Feature 1) Top of page
General description
Posthole for either a structure or a stockade.
Use history
Posthole associated with either a structure or stockade.
Associated features
Features 2, 3, 4, 5, and 6 (all postholes associated with NST 110).
Excavation procedure
Segment 1 was excavated with a trowel and spoon as a full cut. Two liters of sediment were collected as a floatation sample and the remaining fill was screened through1/8-inch mesh.
Portion excavated
Northern half of feature; south half is in the south profile wall.
Horizontal location
Southeastern portion of 1-x-3-m unit 748N 2196E.
Vertical location
Top is at 81.0 m and the bottom is at 80.76.
Construction
A round, basin-shaped pit was excavated into undisturbed native sediment (NST 110, SR-1). A vertical post was placed into the hole.
Remodeling/ modification
No
Thermal alteration
No
Sooting
No
Sealed
No
Preservation
Good
Degree of preservation
Some insect and root disturbance.
Shape in plan view
Actual:  basin-shaped
Inferred: 
Shape in cross section
Actual:  unknown
Inferred:  round
Shape comments
Dimensions
 
Actual
Complete?
Inferred
Comments
Length
24
Yes
North-south.
Width
22
No
East-west.
Height
No
Depth
24
Yes
Stratigraphy
Stratum
Interpretation
Inclusions
Disturbance
Color
Texture
I
Post-use fill, some of which resulting from mechanical excavation.
Charcoal, caliche, sandstone.
Roots, insects.
Reddish brown.
Silty clay loam.`
Posthole (Feature 2) Top of page
General description
A posthole associated with either a structure or stockade.
Use history
Posthole associated with a structure or stockade.
Associated features
Features 1, 3, 4, 5, and 6 (all postholes associated with NST 110).
Excavation procedure
Feature was excavated as a whole study unit in full cut using a trowel and a spoon. Two liters of sediment were collected as a floatation sample, and the remaining fill was screened through 1/8-inch mesh.
Portion excavated
Whole feature.
Horizontal location
South-central part of 1-x-3-m unit 748N 2196E.
Vertical location
Surface 1, NST 110.
Construction
A round, basin-shaped pit was excavated into undisturbed native sediment. A vertical post was placed into the hole.
Remodeling/ modification
No
Thermal alteration
No
Sooting
No
Sealed
No
Preservation
Good
Degree of preservation
Some insect and root disturbance.
Shape in plan view
Actual:  basin-shaped
Inferred: 
Shape in cross section
Actual:  round
Inferred: 
Shape comments
Dimensions
 
Actual
Complete?
Inferred
Comments
Length
15
Yes
North-south.
Width
14
Yes
East-west.
Height
No
Depth
12
No
The top of the feature was excavated prior to its identification.
Stratigraphy
Stratum
Interpretation
Inclusions
Disturbance
Color
Texture
I
Post-use fill including some sediment from mechanical excavation.
Charcoal, caliche, sandstone.
Roots and insect.
Reddish brown.
Silty clay loam.
Posthole (Feature 3) Top of page
General description
A posthole associated with either a structure or stockade.
Use history
Posthole associated with a structure or stockade.
Associated features
Features 1, 2, 4, 5, and 6 (all postholes associated with NST 110).
Excavation procedure
The feature was excavated in full cut using a trowel and a spoon.
Portion excavated
Whole feature.
Horizontal location
North-central part of 1-x-3-m unit 748N 2196E.
Vertical location
Surface 1, NST 110.
Construction
A round, basin-shaped pit was excavated into undisturbed native sediment. A vertical post was placed into the hole.
Remodeling/ modification
No
Thermal alteration
No
Sooting
No
Sealed
No
Preservation
Good
Degree of preservation
Some bioturbation.
Shape in plan view
Actual:  basin-shaped
Inferred: 
Shape in cross section
Actual:  round
Inferred: 
Shape comments
Dimensions
 
Actual
Complete?
Inferred
Comments
Length
15
Yes
Width
15
Yes
Height
No
Depth
14
No
Top of the feature was excavated away prior to its recognition.
Stratigraphy
Stratum
Interpretation
Inclusions
Disturbance
Color
Texture
I
Post-use fill including some sediment associated with mechanical excavation.
Calcium carbonate and charcoal.
Roots and insect.
Reddish brown.
Silty clay.
Posthole (Feature 4) Top of page
General description
A posthole associated with either a structure or stockade.
Use history
Posthole associated with a structure or stockade.
Associated features
Features 1, 2, 3, 5, and 6 (all postholes associated with NST 110).
Excavation procedure
The entire feature was excavated using a trowel in full cut.
Portion excavated
Whole feature.
Horizontal location
South-central part of 1-x-2-m unit 749N2196E.
Vertical location
Surface 1, NST 110.
Construction
A round, basin-shaped pit was excavated into undisturbed native sediment. A vertical post was placed into the hole.
Remodeling/ modification
No
Thermal alteration
No
Sooting
No
Sealed
No
Preservation
Good
Degree of preservation
Some bioturbation.
Shape in plan view
Actual:  basin-shaped
Inferred: 
Shape in cross section
Actual: 
Inferred:  round
Shape comments
Dimensions
 
Actual
Complete?
Inferred
Comments
Length
20
Yes
East-west.
Width
18
No
North-south
Height
No
Depth
12
No
Stratigraphy
Stratum
Interpretation
Inclusions
Disturbance
Color
Texture
I
Secondary refuse.
Charcoal and calcium carbonate.
Insects.
Brown.
Silty clay.
Pit: not further specified (Feature 5) Top of page
General description
A shallow pit of unknown function; could be the remaining part of a posthole.
Use history
Possible posthole associated with a structure or stockade.
Associated features
Potentially Features 1, 2, 3, 4, and 6 (all postholes associated with NST 110).
Excavation procedure
The feature was excavated in full cut using a trowel and a spoon. Two liters of sediment were collected as a floatation sample and the remainder of the fill was screened through 1/8-inch mesh.
Portion excavated
Whole feature.
Horizontal location
Southwest part of 1-x-2-m unit 749N 2196E.
Vertical location
Surface 1, NST 110.
Construction
A round, basin-shaped pit was excavated into undisturbed native sediment.
Remodeling/ modification
No
Thermal alteration
No
Sooting
No
Sealed
No
Preservation
Good
Degree of preservation
Some bioturbation and disturbance from mechanical excavation.
Shape in plan view
Actual:  basin-shaped
Inferred: 
Shape in cross section
Actual:  round
Inferred: 
Shape comments
Dimensions
 
Actual
Complete?
Inferred
Comments
Length
30
Yes
East-west.
Width
26
Yes
North-south.
Height
No
Depth
9
Yes
Stratigraphy
Stratum
Interpretation
Inclusions
Disturbance
Color
Texture
I
Post-use fill including some sediments displaced by mechanical excavation.
Calcium carbonate and charcoal.
Bioturbation and mechanical excavation.
Brown.
Silty clay.
Posthole (Feature 6) Top of page
General description
A posthole associated with either a structure or stockade.
Use history
Posthole associated with a structure or stockade.
Associated features
Features 1, 2, 3, 4, and 5 (all postholes associated with NST 110).
Excavation procedure
The feature was excavated in full cut using a trowel and a spoon. Two liters of sediment were collected as a floatation sample and the remainder of the fill was screened through 1/8-inch mesh.
Portion excavated
Whole feature.
Horizontal location
Northwest part of 1-x-2-m unit 749N 2196E.
Vertical location
Surface 1, NST 110.
Construction
A round, cylindrical-shaped pit was excavated into undisturbed native sediment. A vertical post was placed into the hole.
Remodeling/ modification
No
Thermal alteration
No
Sooting
No
Sealed
No
Preservation
Good
Degree of preservation
Root and insect disturbance.
Shape in plan view
Actual:  cylindrical
Inferred: 
Shape in cross section
Actual:  round
Inferred: 
Shape comments
Dimensions
 
Actual
Complete?
Inferred
Comments
Length
28
Yes
Width
28
Yes
Height
No
Depth
16
Yes
Stratigraphy
Stratum
Interpretation
Inclusions
Disturbance
Color
Texture
I
Secondary refuse.
Calcium carbonate and charcoal.
Bioturbation.
Brown.
Silty clay.