AMS Radiocarbon Dating (Other Keyword)

DOCUMENT Full-Text Peter Kováčik. Linda Scott Cummings.

The Ash Springs site (26LN2978) is a prehistoric village complex from the Formative Period located in the northeastern portion of Pahranagat Valley, Lincoln County, Nevada. A sediment sample from House Pit 2 (HP2) was floated and underwent preliminary sorting and identification by Dr. Jeanne Schaaf (2006). Light fractions and seventeen sets of carbonized seeds from the preliminary investigation were submitted to PaleoResearch Institute for identification. In addition, two AMS radiocarbon dates...

DOCUMENT Full-Text Kathryn Puseman.

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.

DOCUMENT Full-Text Ben Nelson.

Field work from the 1992 season at La Quemada

DOCUMENT Full-Text Ben Nelson. Loni Kantor. Ian Robertson. Vincent Schiavitti. Nicola M. Strazicich. Paula Turkon.

Fieldwork from the 1993 season at La Quemada

PROJECT Ben Nelson. Arizona State Universtity. Andrea Torvinen.

For over 15 years, Mexican and American archaeologists and students have dug ancient ruins, walked the high desert landscape, and worked in laboratories to understand the rise and fall of La Quemada, Zacatecas. We want to know why societies become complex, developing social hierarchies with specialized economic, political, and religious roles for their members. Why do civilizations expand? Northern Mexico's ancient past is an ideal context for studying these questions. During the period A.D....

DOCUMENT Full-Text Gina Buckley.

Accelerator mass spectrometry radiocarbon (AMS 14C) dates (n = 78) from human bone collagen were analyzed in the largest high-resolution chronology study to date at the ancient city of Teotihuacan in central Mexico (ca. AD 1–550). Samples originate from the residential neighborhood of La Ventilla, located in the heart of this major urban center. Here, a trapezoidal model using Bayesian statistics is built from 14C dates combined with data derived from the stylistic analysis of ceramics from...

PROJECT Uploaded by: Gina Buckley

AMS radiocarbon dates (n = 78) from human bone collagen were analyzed in the largest high-resolution chronology study to date at the ancient city of Teotihuacan in central Mexico (c. AD 1–550). Samples originate from the residential neighborhood of La Ventilla, located in the heart of this major urban center. Here, a trapezoidal model using Bayesian statistics is built from 14C dates combined with data derived from the stylistic analysis of ceramics from burial contexts. Based on this model, we...

DOCUMENT Full-Text Linda Scott Cummings.

Three archaeological sites, all located along the MDT Project, Sites 24SH1236 and 24SH1237 are situated next to one another in the southwest portion of the study area, which is situated in Sheridan County in northeastern Montana. Site 24SH1248 is located to the northeast of these two sites. Each of the sites contained one or more stone rings. Sediment samples were collected from stone rings at each site for the purpose of radiocarbon dating and macrofloral analysis to select charred remains for...

DOCUMENT Full-Text Peter Kováčik.

Site 48CO1409, Converse County, Wyoming, contains six stone circles/tipi rings with limited chipped-stone artifacts and a small dart point. The upland site is situated among eroded hills that provide the necessary materials for tipi ring construction along the South Fork Dry Fork Cheyenne River (dry) (John Greer, personal communication June 15, 2015). Core 4, Ring 1, demonstrated a buried charcoal/ash layer at 10–14 cmbs. A sample recovered from this cored layer was submitted for macrofloral...

DOCUMENT Full-Text Peter Kováčik.

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.

DOCUMENT Full-Text Linda Scott Cummings.

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...

DOCUMENT Full-Text Peter Kováčik.

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...

DOCUMENT Full-Text Peter Kováčik.

Site 48SW7095 is a short-term prehistoric camp located along raised sandy deposits overlooking Laundry Draw in Sweetwater County, Wyoming. Occupational evidence is visible on the surface, although silty deposits on the lower drainage terraces contain some buried cultural materials (John Greer, personal communication June 15, 2015). Ashy fill from cores into the center of two hearths were submitted for macrofloral analysis and AMS radiocarbon age determination. Samples are expected to range from...

DOCUMENT Full-Text Peter Kováčik.

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.

DOCUMENT Full-Text Linda Scott Cummings. Jenna Battillo.

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...

DOCUMENT Full-Text Linda Scott Cummings.

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.

DOCUMENT Full-Text Peter Kováčik.

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...

DOCUMENT Full-Text Peter Kováčik.

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.

DOCUMENT Full-Text Kathryn Puseman. Jaime Dexter.

While monitoring a trench for the installation of a fiber-optic line, Feature 1 was identified within the boundaries of site 42JB1207, located in Fish Springs National Wildlife Refuge, western Utah. This site contains both prehistoric and historic components. Feature 1 consists of a dark, charcoal stained lens and was visible on both walls of the trench. One macrofloral sample was examined from the fill of Feature 1. Charcoal from the macrofloral sample was identified and submitted for AMS...

DOCUMENT Full-Text Kathryn Puseman.

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.

DOCUMENT Full-Text Kathryn Puseman.

A total of 22 macrofloral samples were examined from sites 42WS447, 42WS3056, 42WS3061, 42WS3148, 42WS3149, and 42WS3150 in Washington County, Utah. Five of these sites represent shelters with occupations ranging from the Basketmaker II to Paiute. 42WS3056 has been identified as a large artifact scatter, and diagnostic artifacts recovered from the site have been associated with a mid to late Archaic cultural occupation. Macrofloral analysis was conducted in order to determine possible plant...

DOCUMENT Full-Text Kathryn Puseman.

Samples from canal features at sites AZ AA:12:91/103, AZ AA:12:111, and AZ AA:12:788 were submitted for macrofloral analysis. Charcoal and charred botanic remains selected from the macrofloral samples were then submitted for AMS radiocarbon dating. These sites were excavated during Phase 2 recovery for the Pima County Interconnect Project along the Santa Cruz River in southern Arizona. Macrofloral analysis will be used to provide information concerning plant resources utilized by the site...

DOCUMENT Full-Text Linda Scott Cummings. Peter Kováčik.

Archaeological investigation for the Long Canyon Project in the Goshute Valley, Nevada, faces challenges regarding quantities of overburden. To better understand the depth at which prehistoric sites may be found, cores were collected to a depth of 15 feet (Core B1) and 30 feet (Core B2) from the floor of the valley outside wetland areas associated with Big Springs to recover something for radiocarbon dating.

DOCUMENT Full-Text Peter Kováčik.

Site 7594-1 lies on the crest of a high and narrow ridge 12.2 miles north of Glenrock, in Converse County, east-central Wyoming. Diagnostic artifacts recovered at this lithic scatter indicate Late Archaic (~ 500 BC to AD 1000) occupation (John Greer, personal communication May 5, 2015). Ash fill from the soil probes across the middle of a hearth was submitted for macrofloral analysis and AMS radiocarbon age determination.

DOCUMENT Full-Text Peter Kováčik.

Site 48CO3625 represents an isolated hearth located in Converse County, Wyoming. The feature, exposed in the middle of a road, was sampled for macrofloral analysis and AMS radiocarbon dating. No artifacts were directly associated with the site; however, lithics were recovered within approximately 50 m of the hearth. The date is expected to fall within the Late Archaic or early Late Prehistoric Period, about 2000 years BP (John Greer, personal communication November 15, 2014).