AMS Radiocarbon Dating (Other Keyword)
51-75 (313 Records)
The River Farm site (18AN881) exhibits Early Archaic through Late Woodland components, as well as historic use. It is situated on the eastern bank of the Patuxent River in Anne Arundel County, Maryland. Several features were observed, two of which were sampled for analysis. Two ceramic sherds exhibiting charred food crust and two closely associated charred botanic fragments were submitted for AMS radiocarbon analysis. Microscopic analysis of the contents of the charred food crust from both...
CHARCOAL AND BOTANIC IDENTIFICATION AND AMS RADIOCARBON AGE DETERMINATION OF A SAMPLE FROM THE FRONT ENTRANCE/BATEMAN BRIDGE ROAD AT THOMAS JEFFERSON’S POPLAR FOREST, BEDFORD COUNTY, VIRGINIA (2016)
The Front Entrance Survey, conducted in 2009 on Thomas Jefferson’s Poplar Forest property in Forest, Bedford County, Virginia, detected an area with high concentrations of prehistoric artifacts. Charred nutshell and charcoal fragments collected from Feature E, exposed in Unit ER5700/1, were submitted for identification and subsequent AMS radiocarbon age determination.
CHARCOAL AND BOTANIC IDENTIFICATION AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM SITE RI 1898, WASHINGTON COUNTY, RHODE ISLAND (2016)
Site 1898 consists of a series of small stone tool production areas located approximately 50 meters off the shore of Quonochontaug Pond in Westerly, Washington County, Rhode Island. Six charcoal samples collected at 5 cm intervals from 5 to 35 cmbs were submitted for identification and subsequent AMS radiocarbon age determination. Previous radiocarbon analysis of this site yielded calibrated age range of ~900–1400 BP for the top 25 cmbs and a range of ~4000–7500 BP for the depth of 25–35 cmbs...
CHARCOAL AND BOTANIC IDENTIFICATION AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM SITES 5MT226 AND 5MT6341, MONTEZUMA COUNTY, COLORADO (2015)
Sites 5MT226 and 5MT6341 are situated in the Kinder Morgan Yellow Jacket Dry Gas Loop Pipeline (YJDG Project) project area located approximately 4.3 miles southwest of the town of Yellow Jacket in Montezuma County, southwest Colorado. Various structures, pithouse, and features excavated at these sites reflect different periods ranging between Archaic/Pre-Pueblo II, Pueblo II and Basketmaker III (Hugh Robinson, personal communication October 23, 2015). One charcoal and two charred botanic samples...
CHARCOAL AND BOTANIC IDENTIFICATION AND AMS RADIOCARBON DATING OF SAMPLES FROM THE CHICOPEE BROOK WETLAND 2 SITE (19-HD-337), HAMPDEN COUNTY, MASSACHUSETTS (2014)
The Chicopee Brook Wetland 2 Site (19-HD-337) lies about 200 m west of Chicopee Brook in the town of Monson, south-central Massachusetts. Various artifacts including chipping debris, bifaces, projectile points, one scraper and one utilized flake were recovered at this campsite. Two Neville projectile points indicate a Middle Archaic Period (ca. 8000–5000 BP) occupation (Heather Olson, personal communication October 9, 2014). Three charcoal samples from three different features were submitted for...
CHARCOAL AND BOTANIC IDENTIFICATION AND AMS RADIOCARBON DATING OF SAMPLES FROM THE HALLS SWAMP SITE (19-PL-1067), PLYMOUTH COUNTY, MASSACHUSETTS (2014)
The Halls Swamp Site (19-PL-1067) is situated within the coastal town of Kingston, Plymouth County, Massachusetts. Various activity and occupation areas with cultural features including hearths, charcoal pits, trash and/or storage pits that contained chipped stone tools, chipping debris, burnt rock fragments, and/or charcoal were identified at this site. Diagnostic projectile points, including Neville-, Stark-, Brewerton-, and Small Stemmed-type, suggest occupation during the Middle and Late...
CHARCOAL AND BOTANIC IDENTIFICATION, AMS RADIOCARBON AGE DETERMINATION, AND CERAMIC RESIDUE ANALYSIS OF SAMPLES FROM SITE RI 935, PROVIDENCE COUNTY, RHODE ISLAND (2017)
Site RI 935 lies at the confluence of the Woonasquatucket and Moshassuck Rivers in Providence, Rhode Island. Two excavation areas, Carpenter’s Point and North Shore, revealed pre-contact deposits indicating occupation within the Middle Archaic Period and especially during the Late and Transitional Archaic Periods. Intensive use of this area also is noted around and after ~ AD 1000 (Late Woodland). Charcoal and charred botanic samples from 11 features were submitted for identification and AMS...
CHARCOAL AND WOOD IDENTIFICATION, MACROFLORAL ANALYSIS, AND AMS RADIOCARBON DATING OF SAMPLES FROM THE FRIANT DAM, CALIFORNIA (2011)
A total of nineteen bulk soil samples, fourteen detrital charcoal samples, and one wood sample from along the San Joaquin River near Fresno, California, were examined to recover organic fragments suitable for radiocarbon dating. These samples were recovered from Holocene alluvium in soil pits downstream of Friant Dam and from auger holes in slackwater deposits upstream of the dam. Botanic components and detrital charcoal were identified, and potentially radiocarbon-datable material was...
CHARCOAL AND WOOD IDENTIFICATION; MACROFLORAL, POLLEN, PHYTOLITH, AND DIATOM ANALYSES; AND AMS RADIOCARBON DATING FOR SAMPLES FROM B. F. SISK DAM, CALIFORNIA (2009)
Thirteen samples from the B. F. Sisk Dam in Merced County, California, were examined to recover charcoal, wood, or other organic remains suitable for AMS radiocarbon analysis. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. In addition, pollen, phytolith, and diatom analyses were conducted on one sample of charcoal in clay matrix (Station 129). Samples were collected from a trench at the downstream toe of the dam near the...
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON AGE DETERMINATION FOR A SAMPLE FROM CHIQUIHUITE CAVE, ZACATECAS, MEXICO (2016)
Chiquihuite Cave, located in the high altitude desert (2740 m asl) in the State of Zacatecas, north-central Mexico, is an active cave with deep deposits. A small sediment sample mixed with visible charcoal flakes was submitted for charcoal identification and AMS radiocarbon age determination of the deepest cave deposits at a depth of 3.4 meters.
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON AGE DETERMINATION OF A SAMPLE FROM FORT LIGONIER, 36WM71, WESTMORELAND COUNTY, PENNSYLVANIA (2018)
Fort Ligonier (36WM71), an 18th Century fortified supply outpost, is tied to the British military’s Forbes Expedition. The fort is located in the Laurel Highlands section of the Allegheny Plateau on a hilltop in Westmoreland County, Pennsylvania. A wood sample suspected to be from part of the main gate’s artillery battery defense was submitted for identification and AMS radiocarbon dating.
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON AGE DETERMINATION OF A SAMPLE FROM LA 54325, EDDY COUNTY, NEW MEXICO (2016)
Site LA 54325, a light diffuse scatter, lies approximately 3.28 miles northeast of the Pecos River in Eddy County, New Mexico. Charcoal from a stain (Feature 1) was submitted for identification and AMS radiocarbon analysis to identify fuel wood and ascertain the period of occupation.
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON AGE DETERMINATION OF A SAMPLE FROM SITE 27-GR-236, GRAFTON COUNTY, NEW HAMPSHIRE (2019)
A hearth feature excavated at Site 27-GR-236 is located along the Pemigewassat River near the town of Plymouth in Grafton County, New Hampshire. Artifacts observed in association with the hearth suggest affiliation with Early Woodland cultures (Mark Doperalski, personal communication, August 26, 2019). Charcoal collected from the feature was submitted for AMS radiocarbon age determination to assess whether the hearth is indeed prehistoric and what species were used in the hearth.
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON AGE DETERMINATION OF A SAMPLE FROM SITE LA 183591, EDDY COUNTY, NEW MEXICO (2016)
Site LA 183591, an artifact scatter with a burned caliche concentration, lies along the east facing slope of Nimenim Ridge in Eddy County, New Mexico. Fill from the burned caliche feature with charcoal staining was submitted for macrofloral analysis to recover and identify charred floral remains suitable for AMS radiocarbon analysis.
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM SITES 59-73 AND 59-111, NEW LONDON COUNTY, CONNECTICUT (2018)
Sites 59-111 and 59-73 are situated in Groton, New London County, Connecticut and are 17th century Native American archaeological sites. Site 59-73 is situated atop a flat hilltop east of Site 59-111, and both sites are located in wooded areas that overlook the wetlands to the east. Two charcoal samples from each site were submitted for AMS radiocarbon age determination that are believed to date to the Pequot War (1636–1637), suggesting a possibility the two sites were related to the conflict.
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM SPOON LAKE 3 (YAK-076) AND KNIGHT ISLAND NORTH POINT (YAK-205), YAKUTAT COUNTY, ALASKA (2016)
Sites YAK-076 (Spoon Lake 3) and YAK-205 (Knight Island North Point) lie in Yakutat Bay, southeastern Alaska. Both sites consist of house pits with hearths and associated storage caches. Recovered artifacts indicate fishing, hunting, meat and hide processing. The Spoon Lake 3 site probably was occupied as soon as AD 1275, while the settlement at the Knight Island North Point site followed shortly after glacier retreat (AD 1500) from the island (Aron Crowell, personal communication November 21,...
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON DATING OF A SAMPLE FROM FIRST LIGHT 2 SITE, BRISTOL COUNTY, MASSACHUSETTS (2014)
The First Light 2 Site is one of four sites examined as part of the First Light Casino project, situated within the Cotley River drainage in Taunton, Bristol County, southeastern Massachusetts. None of these sites contained any diagnostic material to define the period of occupation. Fragments of fire-cracked rock, calcined bone, and charcoal were recovered from Feature 1. A charcoal sample collected from this feature was submitted for identification and subsequent AMS radiocarbon age...
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON DATING OF A SAMPLE FROM OUTSIDE OF THE NORTHWEST CURTILAGE AT THOMAS JEFFERSON’S POPLAR FOREST, BEDFORD COUNTY, VIRGINIA (2015)
Thomas Jefferson’s Poplar Forest is located in Forest, near the city of Lynchburg in Bedford County, Virginia. The current archaeological investigation of an area adjacent to the northwester quadrant of the curtilage (a 61-acre fenced space Jefferson built around his retreat house) was conducted prior to the construction of a new entrance road into the grounds. A single charcoal sample, collected from Layer C in the shovel test pit (ER7323) outside the curtilage, was submitted for identification...
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON DATING OF A SAMPLE FROM SITE LSP-1, WARNER VALLEY, LAKE COUNTY, OREGON (2014)
Site LSP-1 is a rockshelter situated in the northern Warner Valley of Oregon. A charcoal sample collected at the interface of Strata 9 and 10 was submitted for identification and subsequent AMS radiocarbon age determination. The charcoal is expected to date to the early Holocene, reflecting a late Paleoindian occupation.
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON DATING OF SAMPLES FROM ALONG THE YAKIMA RIVER, YAKIMA, WASHINGTON (2009)
A total of eighteen charcoal samples and four bulk soil samples from soil pits or trenches on stream terraces adjacent to the Yakima River in eastern Washington were floated to recover organic fragments suitable for radiocarbon analysis. These samples were collected for a study of Holocene terrace chronology along the Yakima River. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. Six radiocarbon dates were obtained.
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON DATING OF SAMPLES FROM ALONG VANCE CREEK, WASHINGTON (2009)
Nineteen samples were examined to recover organic fragments suitable for AMS radiocarbon dating. These samples were recovered from stream deposits along Vance Creek in the Skokomish River Basin, Washington. Charcoal was identified, and potentially datable material was separated. Radiocarbon dates were obtained from five charcoal samples.
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON DATING OF SAMPLES FROM SITE 5GN4093, GUNNISON COUNTY, COLORADO (2013)
Two charcoal samples from a hearth fill in a road cut at site 5GN4093, northwest of Wilson Ranch, Gunnison County, Colorado were submitted for identification and AMS radiocarbon dating. Tool diversity and quantity, variety of raw material sources, as well as quantity of fire cracked rock observed on the surface suggests this site represents a multicomponent camp. Diagnostic projectile point types reflect Paleoindian period (Folsom, Plainview, and Eden points dated to 11,000 - 9,000 BP), Middle...
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON DATING OF SAMPLES FROM SITE SAR 1, BEXAR COUNTY, TEXAS (2011)
Three samples of sediment containing charcoal flecks were submitted for extraction of charcoal, charcoal identification, and AMS radiocarbon dating. These samples were recovered from Late Holocene alluvial deposits of the San Antonio River, Texas. Two of the samples yielded charcoal in sufficient quantities for AMS radiocarbon dating.
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON DATING OF SAMPLES FROM SITES 42CB2316 AND 42EM15, UTAH, AND AMS RADIOCARBON DATING OF JUNIPER BARK FROM THE MIKKELSON SITE (ML 4764), UTAH (2010)
Four charcoal samples from sites 42Cb2316 and 42Em15 were submitted for identification and AMS radiocarbon dating. These sites are located in Range Creek Canyon, eastern Utah, and represent Fremont habitation sites. In addition, a portion of juniper bark from a mat with a whole black-on-white jar sitting on it from the Mikkelson Site (ML 4764) was submitted for AMS radiocarbon dating. The mat with the jar was partially buried beneath the surface in a small rockshelter with a...
CHARCOAL IDENTIFICATION AND AMS RADIOCARBON DATING OF SAMPLES FROM TEXAS CREEK, UPPER TAYLOR RIVER BASIN, COLORADO (2009)
A total of five charcoal samples from along Texas Creek were submitted for identification and AMS radiocarbon dating. These samples were recovered as part of a paleoflood study for Taylor Park Dam in central Colorado. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. Charcoal fragments in four samples were AMS radiocarbon dated.