AMS Radiocarbon Dating (Other Keyword)
201-225 (313 Records)
Site 48CO3629 is a large single-component prehistoric campsite located in Converse County, Wyoming. Numerous artifacts, including diagnostic arrow points and projectile points, several features, and temporary surface habitation structures are believed to reflect a single occupation event dating somewhere around AD 500–1000 (John Greer, personal communication November 16, 2014). Fill from an open hearth feature associated with a cluster of hearths was submitted for macrofloral analysis and AMS...
MACROFLORAL ANALYSIS AND AMS RADIOCARBON DATING OF HEARTH FILL FROM SITE C2-M-1 IN THE MOJAVE DESERT, KERN COUNTY, CALIFORNIA (2014)
A prehistoric site, C2-M-1, located in the high desert area of the Antelope Valley in the western portion of the Mojave Desert, Kern County, California, consists of five hearth features and a lithic scatter. Excavation of one of the hearth features (C2-3) yielded charcoal, lithic debitage, faunal and botanical materials (Robert Ramirez, personal communication May 15, 2014). A soil sample was collected from beneath fire-affected rock in the fill of this hearth and was submitted for macrofloral...
MACROFLORAL ANALYSIS AND AMS RADIOCARBON DATING OF SAMPLES FROM SITE LA 175774 (2013)
Fill from two stain features at site LA 175774 were submitted for macrofloral analysis and AMS radiocarbon dating. These stain features contained thermally altered caliche, carbonstained soil, and charcoal fragments. Ceramics and features at the site suggest multiple occupation periods related to the Jornada Mogollon (circa 400-1350 AD) and possibly the Querecho/Maljamar phase. The expected age for the features is around AD 900-1300.
MACROFLORAL ANALYSIS AND AMS RADIOCARBON DATING OF SEDIMENT FROM SITE LA 169200, NEW MEXICO (2011)
Sediment from an area of ashy fill mixed with charcoal pulled from the road bed in an area of a pipeline trespass at site LA 169200 in southeastern New Mexico was examined for macrofloral remains. Charcoal fragments recovered from the sample were submitted for AMS radiocarbon dating. This site is a dispersed surface artifact scatter with five associated hearth features containing fire-cracked rock and lithic artifacts. Four of the five diagnostic projectile points recovered from this site...
MACROFLORAL ANALYSIS AND AMS RADIOCARBON DATING OF SOIL SAMPLES FROM SITE 5WL6465, WELD COUNTY, COLORADO (2011)
Soil samples from between and below two stacked metates sitting atop a hearth at site 5WL6465 in northeastern Colorado were examined for macrofloral remains. Charcoal fragments recovered from the samples were submitted for AMS radiocarbon dating. This site is a multicomponent site containing diagnostic projectile points from the Middle Archaic (3000-1000 B.C.) and Late Prehistoric (A.D. 150-1540), as well as ceramics from the Middle Ceramic (A.D. 1150-1540). Macrofloral analysis is used to...
MACROFLORAL ANALYSIS AND RADIOCARBON AGE DETERMINATION OF A SAMPLE FROM SITE LA 181607, HARDING COUNTY, NEW MEXICO (2018)
Site LA 181607 is located near Roy in Harding County, New Mexico. The site is enclosed by tipi rings associated with nomadic plains groups and is located on a gentle sloping southeast-facing terrace. Alamocita Creek is situated to the southeast below the terrace, while an arroyo to the east separates Sites LA 181607 and LA 181608. One sediment sample was submitted for macrofloral and radiocarbon age determination.
MACROFLORAL ANALYSIS OF ALLUVIUM FROM JACKS VALLEY TRENCH TO RECOVER RADIOCARBON DATABLE MATERIAL, AND MICROCHARCOAL EXTRACTION AND AMS RADIOCARBON DATING OF ALLUVIUM FROM THE PEAVINE TRENCH, NEVADA (2010)
Sediment samples were collected from the Jacks Valley Trench and the Peavine Trench across active normal faults in Nevada with the purpose of gaining insight into earthquake activity. These sediment samples were examined to recover organic material suitable for AMS radiocarbon dating. Several types of charred macrofloral remains were noted in the Jacks Valley Trench sample. No macroscopic charcoal or other organic fragments were noted in the Peavine Trench sample; therefore, it was processed to...
MACROFLORAL ANALYSIS OF FEATURE FILL, AND IDENTIFICATION AND AMS RADIOCARBON DATING OF CHARCOAL FROM THE SIDE ARM SITE (02-229), BREWSTER COUNTY, TEXAS (2009)
Fill from a burned rock feature at the Side Arm Site (02-229) was floated to recover macrofloral remains. This site is located in Brewster County, Texas. Charcoal samples from two burned rock features were submitted for identification and AMS radiocarbon dating. Macrofloral analysis, including charcoal identification, will be used to provide information concerning plant resources utilized by the site occupations. AMS radiocarbon dating will provide a temporal context for the site.
MACROFLORAL ANALYSIS, AMS RADIOCARBON DATING, AND ORGANIC RESIDUE (FTIR) ANALYSIS OF SAMPLES FROM SITE LA165923, EDDY COUNTY, NEW MEXICO (2010)
Fill recovered from an isolated roasting pit at site LA165923 in Eddy County, southeast New Mexico, was floated to recover macrofloral remains. Charcoal from the macrofloral sample was submitted for AMS radiocarbon dating. Three stones from the feature, as well as a control stone from the site surface, were examined for organic residues using Fourier Transform Infrared Spectroscopy (FTIR). Macrofloral and organic residue (FTIR) analyses will be used to provide information concerning food...
MACROFLORAL ANALYSIS, BONE COLLAGEN EXTRACTION, AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM THE CUC FUEL PIPELINE PROJECT, PUERTO RICO, SAIPAN (2017)
The CUC Fuel Pipeline Project, located in Puerto Rico, Saipan in the Northern Mariana Islands, revealed several prehistoric features and burials. Seven bulk soil samples collected from various features were submitted for macrofloral analysis to recover and identify charred botanic remains suitable for radiocarbon analysis. Additionally, bone collagen extraction and radiocarbon date was requested on human rib fragments collected from a single prehistoric burial. Seven charred botanic samples and...
MACROFLORAL ANALYSIS, CHARCOAL IDENTIFICATION AND AMS RADIOCARBON AGE DETERMINATION OF HEARTH FILL FROM SITE 48CO3669, PROJECT LOCALITY 7614-1, CONVERSE COUNTY, WYOMING (2015)
Site 48CO3669 (Project locality 7614-1) represents a hearth located about 44 miles north of Douglas in Converse County, Wyoming. Four non-diagnostic lithics also were recovered at this locality. Soil from two 1 inch diameter cores, collected from a hearth feature, was submitted to recover charcoal suitable for AMS radiocarbon dating. Charcoal from this locality is expected to date between 5000 and 500 years BP (John Greer, personal communication March 31, 2015). Additional feature fill was...
MACROFLORAL ANALYSIS, CHARCOAL IDENTIFICATION, AMS RADIOCARBON DATING, AND PROTEIN RESIDUE ANALYSIS OF SAMPLES FROM SITES LA 117092 (FB 16244), LA 124002 (FB 8803), LA 124013 (FB 8814), AND LA 124024 (FB 8825) ON THE FORT BLISS MILITARY RESERVATION, OTERO COUNTY, NEW MEXICO (DELIVERY ORDER 9) (2009)
Fill from hearths at sites LA 117092 (FB 16244), LA 124002 (FB 8803), and LA 124024 (FB 8825) was examined to recover charcoal or other charred macrofloral material suitable for AMS radiocarbon dating, then date the features. A unifacial tool from site LA 124013 (FB 8814) was analyzed for possible protein residues to determine plant or animal resources that might have been processed using this tool. These sites are located on the Fort Bliss Military Reservation in Surveyors and El Paso Canyons,...
MACROFLORAL ANALYSIS, CHARCOAL IDENTIFICATION, AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM PREHISTORIC SITES CM-1, CM-2, CM-3 AND CM-4 IN KERN COUNTY, CALIFORNIA (2016)
Prehistoric Sites CM-1, CM-2, CM-3, and CM-4 lie in the Western Mojave Desert subregion northwest of California City in Kern County, California. Features exposed during RE Cinco Project construction grading activities in the area yielded numerous fire-affected rocks, charcoal, and ash (Christopher Duran, personal communication June 24, 2015 and April 20, 2016). Hearth fills from each site were collected for macrofloral analysis to recover and identify plants used by site occupants. In addition,...
MACROFLORAL ANALYSIS, CHARCOAL IDENTIFICATION, AND AMS RADIOCARBON DATING AT SITES 5LA10370 AND 5LA11074 ON THE PINON CANYON MANEUVER SITE, FORT CARSON ARMY INSTALLATION, LAS ANIMAS COUNTY, COLORADO (2009)
Fill from a roasting pit at site 5LA10370 was floated to recover charred macrofloral remains. Charcoal from this sample was submitted for AMS radiocarbon dating. Charcoal from Stratum II at site 5LA11074 also was submitted for identification and AMS radiocarbon dating. These sites are located on the Piñon Canyon Maneuver Site in Las Animas County, southeast Colorado. Macrofloral analysis, including charcoal identification, will be used to provide information concerning plant resources utilized...
MACROFLORAL ANALYSIS, CHARCOAL IDENTIFICATION, AND AMS RADIOCARBON DATING FOR THE DAVID WILLIAMS SITE, 41PS1020, TEXAS (2008)
Charcoal from the fill of hearths at the David Williams Site, 41PS1020, were submitted for identification and AMS radiocarbon dating. Fill from one of the hearths also was floated to recover charcoal and other macrofloral remains. This site is a buried open campsite located in west Texas. An adjacent hearth was dated at 7,000 CAL BP.
MACROFLORAL ANALYSIS, CHARCOAL IDENTIFICATION, AND AMS RADIOCARBON DATING OF SAMPLES FROM THE BUCKHORN SITE (02-251) AND THE CURTAIN SITE (02-252), TEXAS (2009)
Charcoal and fill samples from possible hearths at the Buckhorn Site (02-251) and the Curtain Site (02-252) were submitted for identification and macrofloral analysis. Macrofloral analysis will be used to provide subsistence information concerning possible plant resources processed in the hearths, while examination of charcoal will identify types of wood burned as fuel in these features and the best possible material for AMS radiocarbon dating.
MACROFLORAL ANALYSIS, CHARCOAL IDENTIFICATION, BONE COLLAGEN EXTRACTION, AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM THE FORT LOOKOUT II SITE (39LM0057), LYMAN COUNTY, SOUTH DAKOTA (2015)
The Fort Lookout II site (39LM57) is a multicomponent site located on an MT-1 terrace along the eroding west bank of the Missouri River (Lake Francis Case) at the southern end of the Fort Hale bottoms, Lyman County, South Dakota. Archaeological investigations at the site include excavations in 1950, 1951, 1986, 1999, and 2001. The site demonstrates village occupation during the Initial Middle Missouri as well as subsequent historic components (Katherine Lamie, personal communication March 2,...
MACROFLORAL ANALYSIS, FOURIER TRANSFORM INFRARED SPECTROMETRY (FTIR), AND AMS RADIOCARBON DATING FOR SITES CA-SBR-5568/H, CA-SBR-10073, CA-SBR-10074, CA-SBR-10075, CA-SBR-10078, AND CA-SBR-12464, FOR THE BALDY MESA OHV SURVEY, SOUTHERN CALIFORNIA (2007)
Samples from features at sites CA-SBR-5568/H, CA-SBR-10073, CA-SBR-10074, CASBR-10075, CA-SBR-10078, and CA-SBR-12464 in southern California were processed for macrofloral remains and examined using Fourier Transform Infrared Spectrometry (FTIR). In addition, charcoal from CA-SBR-5568/H was submitted for AMS radiocarbon analysis. Sites CA-SBR-10073, CA-SBR-10074, and CA-SBR-10075 represent prehistoric vegetation processing and lithic reduction activity areas that appear to have been seasonally...
MACROFLORAL ANALYSIS, MICROSCOPIC CHARCOAL EXTRACTION, AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM THE OKAMI SITE, GEORGIA (2017)
The Okami Site lies in the foothills of the Caucasus Mountains in Georgia. Four bulk soil samples collected from different units at this paleoseismic site were submitted for macrofloral analysis to recover charred floral remains suitable for AMS radiocarbon age determination. Microscopic charcoal extraction was requested for two samples that did not yield sufficient visible charcoal to date. A total of three radiocarbon dates were obtained.
MACROFLORAL ANALYSIS, ORGANIC RESIDUE (FTIR) ANALYSIS, POLLEN ANALYSIS, AND AMS RADIOCARBON AGE DETERMINATION AT SITE 48HO375, RED CANYON RANCH, WYOMING (2010)
Red Canyon Ranch, located in the foothills of the Owl Creek Mountains southwest of Thermopolis, Wyoming, contains evidence for multiple human occupations from Paleoindian to Historic times. Archaeological investigations and subsequent archaeobotanical analyses and radiocarbon age determinations span a period of several years and are currently ongoing. To facilitate these analyses, a single site designation of 48HO375 has been assigned. The earliest investigation centered on two hearths: one...
MACROFLORAL ANALYSIS, POLLEN ANALYSIS, AND AMS RADIOCARBON DATING OF SAMPLES FROM SITE 26CK6658 FOR THE LAUGHLIN REGIONAL HERITAGE GREENWAY TRAILS MONITORING PROJECT, NEVADA (2011)
Samples from four prehistoric thermal features at site 26CK6658 were examined for pollen and macrofloral remains. Charred material from each of these features also was submitted for AMS radiocarbon dating. These features were examined as part of the Laughlin Regional Heritage Greenway Trail Monitoring Project in southern Nevada. This project is located along the Colorado River from Davis Dam south into the city of Laughlin. Pollen and macrofloral analyses were used to determine plant resources...
MACROFLORAL ANALYSIS, RADIOCARBON DATING, AND PROTEIN RESIDUE ANALYSIS AT SITE 32ML823, MCLEAN COUNTY, NORTH DAKOTA (2012)
Fill from a partial stone ring and from a possible hearth in the center of a complete stone ring at site 32ML823 in central North Dakota were floated to recover macrofloral remains. Charcoal recovered from the two macrofloral samples and charcoal from the partial stone ring were submitted for AMS radiocarbon dating. Macrofloral analysis is used to determine plant resources utilized by the occupants of this stone circle site, while radiocarbon dates provide temporal information. Besant...
MACROFLORAL ANALYSIS, STARCH ANALYSIS, CHARCOAL IDENTIFICATION, AND AMS RADIOCARBON DATING FOR SAMPLES FROM SITES 24GF372 AND 24GF419, MONTANA (2009)
Samples from sites 24GF372 and 24GF419 in northern Montana were examined for starches and macrofloral remains. Charcoal and a charred seed from these sites also were submitted for AMS radiocarbon dating. Site 24GF372 is a scatter of cultural material with a basin-shaped hearth. Site 24GF419 contains a bison kill bone bed and two areas of culture material scatter. Macrofloral and starch analyses will be used to provide information concerning plant resources utilized by the occupants of these...
MACROFLORAL AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM SITE ESS-2019-BEN-088, WHITE SANDS MISSILE BASE, OTERO COUNTY, NEW MEXICO (2020)
Site ESS-2019-BEN-088, a prehistoric lithic and ceramic scatter, is situated in the Tularosa basin within the White Sands Missile Range (WSMR) of southern New Mexico. This site contains three high density artifact concentrations and three thermal features. All three thermal features were sampled for macrofloral identification and two features contained sufficient charcoal that individual pieces were submitted for identification. All three features were AMS radiocarbon dated to identify the time...
MACROFLORAL AND AMS RADIOCARBON AGE DETERMINATION OF SAMPLES FROM SITES LA 183229 AND LA 183231, EDDY COUNTY, NEW MEXICO (2015)
Prehistoric sites LA 183229 and LA 183231 are located northeast of Carlsbad in Eddy County, New Mexico. Burned caliche concentrations with ash and charcoal staining lacked any diagnostic materials. Soil samples collected from the stained areas at both sites were submitted for macrofloral analysis to provide information regarding paleoenvironment, plant processing, and fuel strategies of sites’ occupants. In addition suitable charred plant remains identified in these two samples were submitted...