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- Lab number
- Beta-197190
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- La Plata
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 1260 ± 40
- δ13C (per mil)
- -12.0
- Context
- Locus 2, Subfeature 19.05 hearth. F-19 was located immed. N of F-18 pit structure, and was the smaller of the 2 pit structures. Sample for the 14C date is from the hearth. Circular, meas. 64 x 60 cm in dia., 15 cm deep. Hearth fill contained 6 Zea mays cupules, charcoal and charred bark. Root recorded 4 roof support post holes and central sand pit. Walls and floor were described as brick red, suggesting that it burned upon abandonment. Located on highest point of the ridge. 30 cm of post-occupational fill overlay up to 20 cm of burned roof fall. Rosa and Piedra B/W sherds found in roof fall, along with white and gray ware sherds, 2 GS frags., jackrabbit and deer bones. One of the ponderosa pine timbers in the roof fall yielded a non cutting date of AD 619-673 v v. Structure may have burned at time of abandonment of ridgetop or it could have been filled with backdirt from the excavation if F-18 (although the latter possibility does not fit with the presence of roof fall). F-18 was circular, no bench, meas. 4.16 x 4.12 m in dia. Walls were 1.3 m high (probably were higher during use, perhaps 1.6 m). Structure was covered with up to 1 m of overburden. Four- post support system, and the large amt of timber is thought to suggest the possibility of cribbing (but this doesn't seem to match the description of the walls unless the cribbing began at least 1.6 m above the floor). Vent system extended 1.5 m SE from the SE Zea mayser (prehistorically modified to extend an additional 1.5 m). No evidence of wing walls in the structure. Floor artifacts: 2 hammerstones, grinding slab (Root also recorded basketry, GS, whole ceramic vessels, bird effigy pipe, FSTs, and chunks of petrified wood. Structure is interpreted as having been deliberately burned as part of a planned event, which may have coincided with abandonment of the ridgetop.
- Additional information
- AMS