Macrofloral Analysis (Other Keyword)
76-100 (528 Records)
One bulk soil and twelve detrital charcoal samples from sites LPC2, LPC3, LPC4, and LPC5 along the Little Panoche River in Fresno County, California, were floated to recover organic fragments suitable for radiocarbon age determination. These samples were recovered from terraced bank exposures near the towns of Los Banos and Mendota, in northern San Joaquin Valley. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. Six radiocarbon...
EXAMINATION OF BULK SOIL/DETRITAL CHARCOAL AND AMS RADIOCARBON AGE DETERMINATION OF MATERIAL FROM SITES TRCR1, TRCR2, TRCR4, TRCR5, AND TRCR6 ALONG TAYLOR RIVER, COLORADO (2014)
Six bulk soil samples and seventeen detrital charcoal samples from sites TRCR1, TRCR2, TRCR4, TRCR5, and TRCR6 along Taylor River in Gunnison County, central Colorado, were analyzed to recover organic remains suitable for radiocarbon age determination. Samples were collected from Holocene terraces at a reach downstream of Taylor Park Reservoir. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. Five radiocarbon dates were...
EXAMINATION OF BULK SOIL/DETRITAL CHARCOAL AND AMS RADIOCARBON ANALYSIS OF MATERIAL FROM ALONG THE BLUE RIVER FOR THE GREEN MOUNTAIN DAM PALEOFLOOD STUDY, COLORADO (2010)
Two bulk soil samples and 61 detrital charcoal samples were examined to recover organic fragments suitable for radiocarbon analysis. These samples were collected from stream deposits along the Blue River in the Lower Blue River Basin near Green Mountain Dam and Reservoir in western Colorado. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. Six radiocarbon dates were obtained.
EXAMINATION OF BULK SOIL/DETRITAL CHARCOAL AND AMS RADIOCARBON ANALYSIS OF MATERIAL FROM ALONG THE PROVO AND WEBER RIVERS, UTAH (2005)
Three samples from along rivers in northern Utah were examined to recover organic fragments suitable for radiocarbon analysis. These samples were recovered from the Deer Creek Campground on the Provo River, as well as from the Diston and Richins Properties on the Weber River. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. Charcoal from one sample was selected for AMS radiocarbon analysis.
EXAMINATION OF BULK SOIL/DETRITAL CHARCOAL AND AMS RADIOCARBON ANALYSIS OF MATERIAL FROM ALONG THE UNCOMPAHGRE RIVER NEAR RIDGWAY, COLORADO (2005)
A total of nine bulk soil/detrital charcoal samples from along the Uncompahgre River near Ridgway, Colorado, were floated to recover organic fragments suitable for radiocarbon analysis. These samples were recovered from a sequence of four to five terraces above the river. Botanic components and detrital charcoal were identified and potentially radiocarbon datable material was separated. Charred material from three of the samples were AMS radiocarbon dated, yielding conventional radiocarbon...
EXAMINATION OF BULK SOIL/DETRITAL CHARCOAL AND AMS RADIOCARBON ANALYSIS OF MATERIAL FROM SITES IN THE GUNNISON RIVER BASIN FOR THE WESTERN COLORADO HOLOCENE TERRACE CHRONOLOGY (2006)
A total of 82 samples for the western Colorado Holocene terrace chronology were floated or water-screened to recover organic fragments suitable for radiocarbon analysis. These samples were recovered from soil pits excavated in late Holocene terraces adjacent to creeks and rivers in the upper Gunnison River basin. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. Accelerator Mass Spectrometry (AMS) radiocarbon dates were...
EXAMINATION OF BULK SOIL/DETRITAL CHARCOAL AND AMS RADIOCARBON ANALYSIS OF MATERIAL FROM SITES IN THE STRAWBERRY RIVER BASIN, UTAH (2005)
A total of 43 samples from sites in the Strawberry River Basin of eastern Utah were examined to recover organic fragments suitable for radiocarbon analysis. These samples were collected as part of the Regional Paleoflood Approach (REGPA) during the summer of 2005. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. A total of seven samples were AMS radiocarbon dated.
EXAMINATION OF BULK SOIL/DETRITAL CHARCOAL AND AMS RADIOCARBON ANALYSIS OF MATERIAL FROM THE PRICE RIVER BASIN, NORTHEAST UTAH (2006)
A total of 22 samples were examined to recover charcoal or other charred organic fragments suitable for radiocarbon analysis. These samples were recover:d from stream deposits along drainages in the Price River Basin of northeast Utah. Botanic components and detrital charcoal were identified and potentially datable radiocarbon matenal was separated. Charcoal from seven samples were AMS radiocarbon dated.
EXAMINATION OF BULK SOIL/DETRITAL CHARCOAL AND AMS RADIOCARBON ANALYSIS OF MATERIAL FROM THE RIDGWAY TRENCHES, SOUTHERN COLORADO (2005)
A total of 20 bulk sediment samples from four trenches along a west-facing fault scarp near Ridgway, Colorado, were floated to recover organic fragments suitable for radiocarbon analysis. Three detrital charcoal samples also were examined. These samples were recovered from colluvium in the vertical trench walls. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. Because many of the samples will date the same event or...
EXAMINATION OF BULK SOIL/DETRITAL CHARCOAL FOR RADIOCARBON DATABLE MATERIAL FROM ALONG SEVENMILE GULCH FOR THE SOUTH PARK ARCHAEOLOGICAL PROJECT, COLORADO (2007)
A total of three samples from along Sevenmile Gulch in South Park, Colorado, were floated to recover organic fragments suitable for radiocarbon analysis. These samples were recovered from gravelly and fine-grained alluvium. Botanic components, detrital charcoal, and shell fragments were identified, and potentially radiocarbon datable material was separated.
EXAMINATION OF BULK SOIL/DETRITAL CHARCOAL FROM LAHONTAN DAM, NEVADA (2015)
Six bulk soil samples and nine detrital charcoal samples from site locations CR4, CR5, CR6, and CR7 along the Carson River, in the lower Carson River Basin, Nevada were analyzed to recover organic fragments suitable for radiocarbon age determination. These samples were recovered from stream deposits near the Lahontan Dam and Reservoir (Jeanne Godaire, personal communication September 1, 2015). Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material...
EXAMINATION OF BULK SOIL/DETRITAL CHARCOAL SAMPLES FOR RADIOCARBON DATABLE MATERIAL AND AMS RADIOCARBON ANALYSIS OF MATERIAL FROM ALONG THE BOISE RIVER AND THE SNAKE RIVER, IDAHO (2006)
A total of 13 samples from three different sites along the Boise River and the Snake River in southern Idaho were examined to recover organic fragments suitable for radiocarbon analysis. These samples were recovered from late Holocene terraces adjacent to the Boise River northeast of Boise, and along the Snake River near Twin Falls and American Falls. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. Two AMS radiocarbon...
EXAMINATION OF CHARCOAL SAMPLES FOR RADIOCARBON DATABLE MATERIAL FROM ALONG RAPID CREEK, SOUTH DAKOTA (2004)
Four charcoal samples from along Rapid Creek, South Dakota, were floated to recover organic fragments suitable for radiocarbon analysis. These samples were recovered from a soil pit excavated on a river terrace adjacent to Rapid Creek, about one mile downstream of Pactola Dam. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated.
EXAMINATION OF CHARCOAL SAMPLES FOR RADIOCARBON DATABLE MATERIAL FROM ALONG TROUT CREEK, NORTHERN ARIZONA (2004)
Three charcoal samples from along Trout Creek in northern Arizona were examined to recover organic fragments suitable for radiocarbon analysis. These samples were recovered from a late Holocene terrace downstream of Hawley Lake. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated.
EXAMINATION OF DETRITAL CHARCOAL AND AMS RADIOCARBON ANALYSIS OF MATERIAL FROM ALONG EAST CLEAR CREEK, ARIZONA (2006)
A total of four samples from along East Clear Creek in east-central Arizona were floated to recover organic fragments suitable for radiocarbon analysis. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. Charcoal from one of the samples was processed for AMS radiocarbon analysis.
EXAMINATION OF DETRITAL CHARCOAL FOR RADIOCARBON DATABLE MATERIAL FROM ALONG THE HENRYS FORK RIVER, IDAHO (2004)
Six charcoal samples from a late Holocene river terrace along the Henyrs Fork River, Idaho, were water-screened and examined to recover fragments suitable for radiocarbon analysis. Two samples were recovered from the relatively thick (26 cm) A horizon, while two samples were collected from the underlying B horizon. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated.
EXAMINATION OF DETRITAL CHARCOAL FROM ALONG THE UPPER GILA RIVER, ARIZONA (2003)
Detrital charcoal samples from along the Upper Gila River in Duncan Valley, southeast Arizona, were floated to recover organic fragments suitable for AMS radiocarbon analysis. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated.
EXAMINATION OF NINE BULK SOIL SAMPLES FROM RED MOUNTAIN FAULT, SOUTHERN CALIFORNIA (1997)
Nine bulk soil samples were floated to recover potential charcoal for radiocarbon dating. These samples were exposed during paleoseismic investigation of the Red Mountain Fault in southern California.
EXAMINATION OF ORGANIC MATERIAL FROM MULTIPLE BLACK MAT DEPOSITS IN THE UPPER LAS VEGAS WASH, NEVADA (2010)
A total of seven bulk samples of organic material from black mat deposits in the Upper Las Vegas Wash, Nevada, were floated to recover organic fragments suitable for radiocarbon analysis. The black mat deposits are associated with late Pleistocene paleo-spring sediments. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. A single charcoal sample also was submitted for identification.
EXAMINATION OF PEAT FOR RADIOCARBON DATABLE MATERIAL FROM STATELINE DAM, UTAH (2003)
A single peat sample from near the right abutment of Stateline Dam in northern Utah was floated to recover organic fragments suitable for radiocarbon analysis. Botanic components were identified, and potentially radiocarbon datable material was separated.
EXAMINATION OF SAMPLES FOR RADIOCARBON DATABLE MATERIAL FROM THE MR. PEAT PIT, SOUTH-CENTRAL COLORADO (2005)
The Mr. Peat Pit site consists of widespread peat and localized tufa in the latest Pleistocene paleovalley on piedmont east of Rio Grande in south central Colorado. A sample of black-mat type peat and a sample of the overlying spring-mound tufa from the pit initially were floated to recover organic fragments suitable for radiocarbon analysis. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. An additional tufa sample and...
EXAMINATION OF SAMPLES FROM ALONG SAND CREEK, EAST-CENTRAL ARIZONA (2011)
Three samples from along Sand Creek in east-central Arizona were examined to recover organic fragments suitable for radiocarbon dating. These samples were recovered from Holocene alluvium about two miles downstream of Cyclone Dam. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated; however, no radiocarbon dates were obtained from this material.
EXAMINATION OF SEDIMENT FOR RADIOCARBON DATABLE MATERIAL FROM ALONG THE QUINAULT RIVER, WASHINGTON (2004)
A single sediment sample from along the Quinault River in the western Olympic Peninsula, Washington, was floated to recover organic fragments suitable for radiocarbon analysis. This sample was recovered from a natural exposure along the river and is believed to represent silt that was likely deposited in Lake Quinault when it was higher than at present. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated.
EXAMINATION OF SEDIMENT SAMPLES FOR RADIOCARBON DATABLE MATERIAL FROM ALONG THE PUYALLUP RIVER, WASHINGTON (2003)
Two samples from the Puyallup River drainage basin in northwestern Washington were floated to recover organic fragments suitable for radiocarbon analysis. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated.
EXAMINATION OF SOIL AND CHARCOAL SAMPLES FOR RADIOCARBON DATABLE MATERIAL FROM ALONG BOWL CANYON CREEK, NORTHWESTERN NEW MEXICO (2004)
Soil and charcoal samples from a sequence of late Holocene terraces along Bowl Canyon Creek in northwestern New Mexico were examined to recover organic fragments suitable for radiocarbon analysis. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated.