230Th/U ages Supporting Hanford Site-Wide Probabilistic Seismic Hazard Analysis

doi:10.2172/1128696

GSTDTAP > 地球科学

DOI	10.2172/1128696
报告编号	DOE-USGS-58781
来源ID	OSTI ID: 1128696
	230Th/U ages Supporting Hanford Site-Wide Probabilistic Seismic Hazard Analysis
	Paces, James B.
	2014-08-31
出版年	2014
语种	英语
国家	美国
领域	地球科学
英文摘要	This product represents a USGS Administrative Report that discusses samples and methods used to conduct uranium-series isotope analyses and resulting ages and initial 234U/238U activity ratios of pedogenic cements developed in several different surfaces in the Hanford area middle to late Pleistocene. Samples were collected and dated to provide calibration of soil development in surface deposits that are being used in the Hanford Site-Wide probabilistic seismic hazard analysis conducted by AMEC. The report includes description of sample locations and physical characteristics, sample preparation, chemical processing and mass spectrometry, analytical results, and calculated ages for individual sites. Ages of innermost rinds on a number of samples from five sites in eastern Washington are consistent with a range of minimum depositional ages from 17 ka for cataclysmic flood deposits to greater than 500 ka for alluvium at several sites.
英文关键词	U-series dating pedogenic carbonate Pleistocene surface deposits paleoseismic alluvium
URL	查看原文
来源平台	US Department of Energy (DOE)
引用统计
文献类型	科技报告
条目标识符	http://119.78.100.173/C666/handle/2XK7JSWQ/6411
专题	地球科学
推荐引用方式 GB/T 7714	Paces, James B.. 230Th/U ages Supporting Hanford Site-Wide Probabilistic Seismic Hazard Analysis,2014.