Detrital Charcoal (Other Keyword)
26-50 (59 Records)
A total of three bulk soil samples from the Honey Lake Fault near the town of Doyle in northeastern California were floated to recover organic fragments suitable for radiocarbon analysis. These samples were recovered from a distinct stratigraphic layer of a stream cut exposure during a paleoseismic study. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated.
EXAMINATION OF BULK SOIL FOR RADIOCARBON DATABLE MATERIAL FROM THE MAPLETON MEGATRENCH, UTAH (2005)
A total of 10 bulk soil samples from the Mapleton megatrench site on the Provo segment of the Wasatch fault zone, Utah, were floated to recover organic fragments suitable for radiocarbon analysis. One sample was collected from the trench, while the remaining nine samples were recovered from Boreholes B1 and B2. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated.
EXAMINATION OF BULK SOIL FOR RADIOCARBON DATABLE MATERIAL FROM THE SHOSHONE RANGE, NEVADA, NEAR BATTLE MOUNTAIN (2002)
Three bulk soil samples from a horizon on the west flank of the Shoshone Range, Nevada, near Battle Mountain 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 BULK SOIL FOR RADIOCARBON DATABLE MATERIAL FROM THE SURPRISE VALLEY, NORTHEASTERN CALIFORNIA (2005)
Seven bulk soil samples from the Surprise Valley of northeastern California were floated to recover organic fragments suitable for radiocarbon analysis. These samples were recovered from trench and stream exposures across a fault scarp in latest Quaternary lacustrine, colluvial, and debris-flow sediments. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated.
EXAMINATION OF BULK SOIL FOR RADIOCARBON DATABLE MATERIAL FROM THE WILLOW CREEK TRENCHES, WASATCH FAULT, UTAH (2005)
A total of six bulk soil samples from stratigraphic horizons in trenches excavated across the Nephi segment of the Wasatch fault, Utah, were floated to recover organic fragments suitable for radiocarbon analysis. These samples were recovered from two trenches: Willow Creek North (WCN) and Willow Creek South (WCS). Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. After initial examination of the samples was complete,...
EXAMINATION OF BULK SOIL FOR RADIOCARBON DATABLE MATERIAL FROM THE WILLOW CREEK TRENCHES, WASATCH FAULT, UTAH (2006)
Eight additional bulk soil samples from stratigraphic horizons in trenches excavated across the Nephi segment of the Wasatch fault, Utah, were floated to recover organic fragments suitable for radiocarbon analysis. Samples were recovered from both the Willow Creek North (WCN) and Willow Creek South (WCS) trenches. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. After initial examination of the samples was complete,...
EXAMINATION OF BULK SOIL FROM ALONG THE OGDEN RIVER, DOWNSTREAM OF PINEVIEW DAM, UTAH (2003)
A single bulk soil sample from along the Ogden River downstream of Pineview Dam in north-central Utah was 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 BULK SOIL SAMPLES PRIOR TO RADIOCARBON ANALYSIS FROM ALONG THE NORTH PLATTE RIVER, WYOMING (2004)
A total of three bulk soil samples from along the North Platte River in central Wyoming were floated to recover organic fragments suitable for radiocarbon analysis. These samples were recovered from a single soil pit on a late Holocene River terrace, downstream of Pathfinder Dam. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated.
EXAMINATION OF BULK SOIL/DETRITAL CHARCOAL AND AMS RADIOCARBON AGE DETERMINATION OF MATERIAL FROM HOLOCENE TERRACES NEAR ISLAND PARK, IDAHO, AND WEST YELLOWSTONE, MONTANA (2012)
Two bulk soil samples and twenty-seven detrital charcoal samples collected along the Henrys Fork River in northeast Idaho and southwest Montana were examined to recover organic fragments suitable for radiocarbon age determination. These samples were recovered from soil pits on Holocene terraces. Botanic components and detrital charcoal were identified, and potentially radiocarbon datable material was separated. A total of eight samples were processed for radiocarbon age determination.
EXAMINATION OF BULK SOIL/DETRITAL CHARCOAL AND AMS RADIOCARBON AGE DETERMINATION OF MATERIAL FROM SITES LPC2, LPC3, LPC4 and LPC5 ALONG THE LITTLE PANOCHE RIVER IN FRESNO COUNTY, CALIFORNIA (2014)
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 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 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 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 EMIGRANT CREEK, UPSTREAM OF THE GREENSPRING POWER PLANT, OREGON (2004)
Two detrital charcoal samples from a site along Emigrant Creek were examined to recover organic fragments suitable for radiocarbon analysis. This site is located upstream of the Greenspring Power Plant and Emigrant Dam and Reservoir near Ashland, Oregon. Charcoal fragments were identified and separated in preparation for radiocarbon analysis.
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 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 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.