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Chemical Characterization of San Andreas Fault Observatory at Depth (SAFOD) Phase 3 Core

Open-File Report 2023-1019
By:  and 
https://doi.org/10.3133/ofr20231019

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Abstract

We present new X-ray fluorescence compositions of 27 core samples from Phase 3, Hole G of the San Andreas Fault Observatory at Depth, nearly doubling the published dataset for the core. The new analyses consist of major and trace element compositions and the first published data for rare earth elements from Hole G. Whole-rock compositions were obtained to further the analysis of active geochemical processes within the creeping section of the San Andreas Fault in central California. In this report, we plot the new data along with previously published analyses to illustrate some of the compositional features of the Hole G core and to relate them to the core mineralogy.

Suggested Citation

Moore, D.E., and Bradbury, K.K., 2023, Chemical characterization of San Andreas Fault Observatory at Depth (SAFOD) Phase 3 core: U.S. Geological Survey Open-File Report 2023–1019, 15 p., https://doi.org/10.3133/ofr20231019.

ISSN: 2331-1258 (online)

Table of Contents

  • Abstract
  • Introduction and Dataset Description
  • Some Aspects of Hole G Core Chemistry
  • Concluding Remarks
  • References Cited
Publication type Report
Publication Subtype USGS Numbered Series
Title Chemical characterization of San Andreas Fault Observatory at Depth (SAFOD) Phase 3 core
Series title Open-File Report
Series number 2023-1019
DOI 10.3133/ofr20231019
Year Published 2023
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) Earthquake Science Center
Description iv, 15 p.
Online Only (Y/N) Y
Google Analytic Metrics Metrics page
Additional publication details