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GEOREF RECORD

Dating techniques in fault investigations

Philip J. Murphy, John Briedis and John H. Peck
Dating techniques in fault investigations
Reviews in Engineering Geology (1979) 4: 153-168

Abstract

Determining the time of most recent fault movement is an important part of assessing a possible site for a nuclear power plant. The purpose of this paper is not to present research information but to provide a practical guide to some of the dating techniques available to the engineering geologist working on nuclear power plant siting. Emphasis is placed on the practical aspects, such as usable minerals, conditions necessary for them to yield correct dates, degree of accuracy, sample collection, sample size, and sample packaging. In this paper, we have taken for granted the usual geologic field techniques--such as those used in stratigraphy, paleontology, and structural analysis--for assessing fault history. We discuss laboratory techniques used in conjunction with or supplemental to field methods. The specific radiometric methods discussed are (super 14) C (carbon-14), fission track, K-Ar (potassium-argon), thermoluminescense, Rb-Sr (rubidium-strontium), and U-Th (uranium-thorium). Racemization of amino acids, paleomagnetism, and fluid-inclusion techniques are the nonradiometric methods that are discussed. Our experiences with some of these techniques are described as well.


ISSN: 0080-2018
EISSN: 2169-799X
Coden: GAEGA4
Serial Title: Reviews in Engineering Geology
Serial Volume: 4
Title: Dating techniques in fault investigations
Affiliation: Stone Webster Engin. Corp., Boston, MA, United States
Pages: 153-168
Published: 1979
Text Language: English
Publisher: Geological Society of America (GSA), Boulder, CO, United States
References: 46
Accession Number: 1981-013407
Categories: Engineering geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: tables, sect., plates
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data supplied by the Geological Society of America, Boulder, CO, United States
Update Code: 1981
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