The LANL/LLNL/AFTAC Black Thunder Coal Mine regional mine monitoring experiment

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Description

Cast blasting operations associated with near surface coal recovery provide relatively large explosive sources that generate regional seismograms of interest in monitoring a Comprehensive Test Ban Treaty (CTBT). This paper describes preliminary results of a series of experiments currently being conducted at the Black Thunder Coal Mine in northeast Wyoming as part of the DOE CTBT Research and Development Program. These experiments are intended to provide an integrated set of near-source and regional seismic data for the purposes of quantifying the coupling and source characterization of the explosions. The focus of this paper is on the types of data being ... continued below

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15 p.

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Pearson, D.C.; Stump, B.W.; Baker, D.F. & Edwards, C.L. September 1, 1995.

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Description

Cast blasting operations associated with near surface coal recovery provide relatively large explosive sources that generate regional seismograms of interest in monitoring a Comprehensive Test Ban Treaty (CTBT). This paper describes preliminary results of a series of experiments currently being conducted at the Black Thunder Coal Mine in northeast Wyoming as part of the DOE CTBT Research and Development Program. These experiments are intended to provide an integrated set of near-source and regional seismic data for the purposes of quantifying the coupling and source characterization of the explosions. The focus of this paper is on the types of data being recovered with some preliminary implications. The Black Thunder experiments are designed to assess three major questions: (1) how many mining explosions produce seismograms at regional distances that will have to be detected, located and ultimately identified by the National Data Center and what are the waveform characteristics of these particular mining explosions; (2) can discrimination techniques based on empirical studies be placed on a firm physical basis so that they can be applied to other regions where there is little monitoring experience; (3) can large scale chemical explosions (possibly mining explosions) be used to calibrate source and propagation path effects to regional stations, can source depth of burial and decoupling effects be studied in such a controlled environment? With these key questions in mind and given the cooperation of the Black Thunder Mine, a suite of experiments have been and are currently being conducted. This paper will describe the experiments and their relevance to CTBT issues.

Physical Description

15 p.

Notes

OSTI as DE95016946

Source

  • 17. annual seismic research symposium on monitoring a comprehensive test ban treaty, Scottsdale, AZ (United States), 11-15 Sep 1995

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  • Other: DE95016946
  • Report No.: LA-UR--95-2702
  • Report No.: CONF-9509211--1
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/106511 | External Link
  • Office of Scientific & Technical Information Report Number: 106511
  • Archival Resource Key: ark:/67531/metadc627900

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • September 1, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Feb. 25, 2016, 8:09 p.m.

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Pearson, D.C.; Stump, B.W.; Baker, D.F. & Edwards, C.L. The LANL/LLNL/AFTAC Black Thunder Coal Mine regional mine monitoring experiment, report, September 1, 1995; New Mexico. (digital.library.unt.edu/ark:/67531/metadc627900/: accessed July 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.