AMS Radiocarbon Analysis (Other Keyword)
151-175 (283 Records)
Charred botanic material and charcoal from the Albert Bell site, 14SD305, and the Wollenberg Site, 14WH319, were submitted for identification and AMS radiocarbon dating. The Albert Bell site is a small Upper Republican farmstead in the valley of Museum Creek, northwest Kansas. Because the charred remains in the initial three samples submitted were not of sufficient weights for radiocarbon dating, the floated light fractions from which the botanic material was picked and several other floated...
IDENTIFICATION AND AMS RADIOCARBON DATING OF SAMPLES FROM THE SAN PEDRO DAM SITE, VALDIVIA, CHILE (2011)
A total of eleven samples from geologic trenches at the San Pedro Dam Site in Valdivia, Chile, were floated to recover organic fragments suitable for radiocarbon analysis. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. A total of seven radiocarbon dates were obtained on charcoal from these samples.
IDENTIFICATION AND AMS RADIOCARBON DATING OF WOOD AND CHARCOAL FROM LOGAN BOG, WASHINGTON (2010)
Three wood/charcoal samples from Logan Bog, Washington, were submitted for identification and AMS radiocarbon dating.
IDENTIFICATION AND AMS RADIOCARBON DATING OF WOOD FROM THE DEL VALLE LANDSLIDE, LIVERMORE, CALIFORNIA (2010)
A sample of wood from the Del Valle landslide in Livermore, California, was submitted for identification and AMS radiocarbon dating. This wood was found in rock material older than 65,000 years.
IDENTIFICATION AND AMS RADIOCARBON DATING OF WOOD, ZEA MAYS COB, AND BONE FROM THE STAR CEILING CAVE SITE NEAR CUBA, NEW MEXICO AND ZEA MAYS COB MORPHOMETRICS (2011)
Woody twigs, Zea mays cob, and bone samples from the Star Ceiling Cave site near the town of Cuba, New Mexico, were submitted for identification and AMS radiocarbon dating. This site consists of a cave with a spring and numerous pictographs and mud-ball offerings. Pictographs in the cave are noted to represent Ancestral Puebloan/Puebloan culture as well as Navajo ceremonialism. Twigs were present in a mud-ball adhering to the top of the cave. Radiocarbon dating of the twigs provides information...
IDENTIFICATION OF CHARCOAL AND AMS RADIOCARBON DATING OF CHARCOAL AND MICROCHARCOAL SAMPLES FROM SITE BRU FOR THE KERN CANYON FAULT STUDY, CALIFORNIA (2009)
Samples from colluvium at site BRU for the Kern Canyon Fault Study in Kern County, California, were examined to recover charred material suitable for AMS radiocarbon dating. Charcoal fragments in 14 samples from BRU were identified, and combined with microcharcoal for AMS radiocarbon dating. A total of 11 AMS radiocarbon dates were obtained.
IDENTIFICATION OF CHARCOAL AND AMS RADIOCARBON DATING OF SAMPLES FROM THE FISH WEIR SITE (49-GUL-380) AND THE LITTLE SWEDE LITHIC SCATTER (SITE 49-XMH-1005), ALASKA (2010)
One partially charred wood sample from the Fish Weir site, 49-GUL-380, and two charcoal samples from the Little Swede Lithic Scatter, site 49-XMH-1005, were submitted for identification and AMS radiocarbon dating. Site 49-GUL-380 is situated near the Gulkana River in south central Alaska and is known ethnographically as the location of the northernmost fishing weir of the Gulkana-Gakona band of the Ahtna (John Jangala, personal communication, September 21, 2010). The sample was recovered from a...
IDENTIFICATION OF CHARCOAL AND AMS RADIOCARBON DATING OF SAMPLES FROM THE FISH WEIR SITE, 49-GUL-380 (2010)
Three charcoal samples from the Fish Weir site, 49-GUL-380, were submitted for identification. This site is situated near the Gulkana River in southcentral Alaska and is known ethnographically as the location of the northernmost fishing wier of the Gulkana-Gakona band of the Ahtna (John Jangala, personal communication, September 21, 2010). Samples were recovered from a shallow depression believed to be the floor of a summer dwelling and from levels in Unit 1, including a fire-cracked rock (FCR)...
IDENTIFICATION OF DETRITAL CHARCOAL AND CHARRED BOTANIC REMAINS, AND AMS RADIOCARBON AGE DETERMINATION OF MATERIAL COLLECTED ALONG LITTLE BEAR RIVER AND THE EAST FORK OF LITTLE BEAR RIVER, UTAH (2011)
Twenty-six detrital charcoal samples and one botanic sample were examined to recover organic fragments suitable for radiocarbon age determination. These samples were collected from Holocene terraces along Little Bear River and the East Fork of Little Bear River, a tributary to the Little Bear River, near the towns of Hyrum and Paradise in northeastern Utah. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. A total of eight...
IDENTIFICATION OF HAFTING MATERIAL AND RADIOCARBON DATING FOR TWO AVONLEA PROJECTILE POINTS, WORTHAM SHELTER, WYOMING (2011)
Two Avonlea projectile points from Wortham Shelter that still had existing hafting material were submitted for protein residue analysis and AMS radiocarbon dating. Both of these projectile points and their hafting had been coated with shellac or a similar substance, which necessitated cleaning the artifacts prior to analysis. Protein residue analysis was undertaken to identify the proteins in the hafting material, and, thus, the animal that the sinew was taken from.
IDENTIFICATION OF WOOD AND CHARCOAL AND AMS RADIOCARBON DATING FOR SAMPLES FROM THE SAN LUIS RESERVOIR, GUSTINE, CALIFORNIA (2009)
Two wood samples and one charcoal sample were submitted for identification and AMS radiocarbon dating. These samples were taken from a sandy alluvial deposit at the San Luis Reservoir, Gustine, California. The wood and charcoal fragments have an estimated age of 3,000 to 20,000 BP.
MACROFLORAL ANALYSIS AND AMS RADIOCARBON AGE DETERMINATION OF A SAMPLE FROM SITE 48CO3826, CONVERSE COUNTY, WYOMING (2017)
Site 48CO3826 is a small, basin-shaped hearth or very shallow fire pit likely dating later than 1200 AD (John Greer, personal communication November 21, 2017). It is situated in an upland setting in Converse County, east-central Wyoming. One sample was submitted for macrofloral analysis and AMS radiocarbon age determination.
MACROFLORAL ANALYSIS AND AMS RADIOCARBON AGE DETERMINATION OF A SAMPLE FROM SITE IO-544, WHITE SANDS MISSILE RANGE, SIERRA COUNTY, NEW MEXICO (2019)
Site IO-544 comprises a scatter of burnt caliche and stain that likely represent a hearth feature situated on a low dunal ridge in the Tularosa Basin region of Sierra County, New Mexico. Epsilon Systems Solutions recorded and collected a sediment sample from Site IO-544 during archaeological investigation of the White Sands Missile Range Rhodes Canyon project. Epsilon submitted the collected sediment sample to PaleoResearch Institute for macrofloral analysis and AMS radiocarbon age...
MACROFLORAL ANALYSIS AND AMS RADIOCARBON AGE DETERMINATION OF A SAMPLE FROM THE TRADE WIND SITE (LA117405), LEA COUNTY, NEW MEXICO (2017)
The Trade Winds Site (LA117405), an artifact scatter, lies in a dune blowout basin in Lea County, southeastern New Mexico. Fill from a thermal feature was submitted for macrofloral analysis to recover and identify charred floral remains, including charcoal, suitable for AMS radiocarbon age determination, then date the appropriate material. The sample is expected to date between AD 200 and AD 1400 reflecting Jornada Mogollon/Early Pithouse - Late Pueblo occupation (Stacy Galassini, personal...
MACROFLORAL ANALYSIS AND AMS RADIOCARBON AGE DETERMINATION OF A SEDIMENT SAMPLE FROM LOCALITY 7842-2, CONVERSE COUNTY, WYOMING (2019)
Locality 7842-2 is an eroded stain in the middle of a two-track near the town of Douglas in Converse County, Wyoming (John Greer, personal communication, 12 June 2019). One sediment sample was submitted for macrofloral analysis and AMS radiocarbon age determination.
MACROFLORAL ANALYSIS AND AMS RADIOCARBON AGE DETERMINATION OF HEARTH FILL FROM SITE 48CO3688, LOCALITY 7608-5, CONVERSE COUNTY, WYOMING (2015)
Site 48CO3688 lies on the crest of a broad ridge in Converse County, Wyoming. A surface hearth contained fire-affected rock and one flake. No tools or diagnostic artifacts were associated with this site (John Greer, personal communication July 23, 2015). Feature fill from soil probes was submitted for macrofloral and AMS radiocarbon analysis to ascertain the period of occupation. Charcoal from this locality is expected to date between 2500 and 800 BP (John Greer, personal communication July 23,...
MACROFLORAL ANALYSIS AND AMS RADIOCARBON AGE DETERMINATION OF HEARTH FILL FROM SITE 48CO3689, LOCALITY 7608-6, CONVERSE COUNTY, WYOMING (2015)
Site 48CO3689 is situated on an escarpment rim of a broad ridge approximately three miles northeast of North Platte River, Converse County, Wyoming. A cluster of burned rocks on the surface identified an unlined hearth that lacked any diagnostic artifacts. Subsurface core testing indicated intact ash-stained sediment submitted for macrofloral analysis and subsequent AMS radiocarbon age determination. Nearby sites, also situated on this ridge crest, indicate occupation as early as the Middle...
MACROFLORAL ANALYSIS AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM LOWMAN PIPELINE E19208, SITE 1CW365 (C3-004), CHOCTAW COUNTY, ALABAMA (2020)
Site 1CS365 was excavated as part of work on the Lowman Pipeline. This multicomponent site includes both a Native American artifact scatter, representing a Late Gulf Formational to Late Woodland occupation, and a twentieth-century railroad bed of the AT&N railroad. Three features were sampled for macrofloral and AMS radiocarbon analyses, the latter to establish the time periods of use.
MACROFLORAL ANALYSIS AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM SITE CA-SDI-5669, SAN DIEGO COUNTY, CALIFORNIA (2016)
Site CA-SDI-5669 lies within the city of Santee in eastern San Diego County. Four sediment samples collected from Locus C were submitted for macrofloral analysis to identify plant processing activities and fuel use at the site. In addition, suitable charred botanics were selected for AMS radiocarbon age determination to ascertain the period of use.
MACROFLORAL ANALYSIS AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM SITES 24ME163 AND 24ME1105, MEAGHER COUNTY, MONTANA (2019)
Sites 24ME163 and 24ME1105 are lithic scatters located along Sheep Creek in the Little Belt Mountains of the Northern Rocky Mountains, Meagher County, Montana. Recent excavations at the sites discovered hearth features at both sites and numerous fire-cracked rock (FCR) at Site 24ME163 (Lynn Peterson, personal communication, July 23, 2019). Hearth feature fill recovered at Site 24ME163 was submitted for macrofloral analysis and AMS radiocarbon age determination. Charcoal samples recovered from a...
MACROFLORAL ANALYSIS AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM SITES 42To5283, UTG-08-JT, UTG-05-JD, BEAVER BOTTOMS, LAKE GUNNISON, 42To389, AND 42To4716, TOOELE COUNTY, UTAH (2018)
Sites 42To5283, UTG-08-JT, UTG-05-JD, Beaver Bottoms, Lake Gunnison, 42To389, and 42To4716 are located in Tooele County, Utah. Six shell samples from Sites 42To5283, UTG-08-JT, UTG-05-JD, Beaver Bottoms, Lake Gunnison and one burned bone sample from 42To389 were submitted for AMS radiocarbon age determination. Sediment from a hearth feature fill from Site 42To4716 was submitted for macrofloral analysis and subsequent AMS radiocarbon age determination.
MACROFLORAL ANALYSIS AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM SITES IN THE PIÑON CANYON MANEUVER SITE, LAS ANIMAS COUNTY, COLORADO (2017)
Sites 5LA03200, 5LA05698, 5LA10858, 5LA03384, and 5LA04399 are located within the Piñon Canyon Maneuver Site (PCMS) in Las Animas County, southeastern Colorado. Seven features encountered at these sites were sampled for macrofloral analysis (nine samples) and charcoal identification (three samples), to recover and identify charred floral remains and charcoal, indicating food and fuel related activities of prehistoric occupants of this region. Radiocarbon analysis was requested for suitable...
MACROFLORAL ANALYSIS AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM THE TINIAN OCEAN VIEW HOTEL PROJECT, TACHONGNYA BEACH, TINIAN (2017)
The Tinian Ocean View Hotel Site is located on Tachongnya Beach in Tinian, one of the three principal islands of the Commonwealth of the Northern Mariana Islands. Two post holes were encountered with an estimated age AD 500–1500 (Randy Harper, personal communication October 2, 2017). Samples of sediment from within the post holes were submitted for macrofloral analysis and AMS radiocarbon dating to determine the age of the cultural features.
MACROFLORAL ANALYSIS AND AMS RADIOCARBON ANALYSIS OF SAG POND ORGANIC SEDIMENTS FROM KUSHTAKA, ALASKA (2006)
Two soil samples from a sag pond in a sackung trough in Kushtaka, Alaska, were analyzed for macrofloral remains to recover organic material suitable for radiocarbon dating. A portion of the fine organic fraction from each sample was separated out and submitted for AMS radiocarbon analysis.
MACROFLORAL ANALYSIS AND AMS RADIOCARBON DATING AT SITE 45LE116 FOR THE CENTRALIA-CHEHALIS FLOOD DAMAGE REDUCTION PROJECT ARCHAEOLOGICAL SURVEY, WASHINGTON (2010)
Samples from the fill of two fire-cracked rock features at site 45LE116 in southwest Washington were examined for macrofloral remains. Four samples from midden matrix at this site were submitted for identification and/or AMS radiocarbon dating. This site was examined as part of the Centralia-Chehalis Flood Damage Reduction Project Archaeological Survey. Three radiocarbon dates were obtained from two charred bark samples and one charcoal sample.