Final Report, Volume 77-5

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This report covers the following Tasks: Task 76.1.21--Color photos: Stereo color aerial photographs were made available to industry for copying at industry's expense on November 28, 1977 at 11:00 a.m. This final report on this task merely records that fact. Task 77.1.14--Proposal Review (MOD A002)--All activities under this task have been completed. No tangible deliverables were required. Task 76.1.14--Simultaneous modeling of multiple data sets: A technique for simultaneous inversion of MT and Schlumberger data was developed and tested on some available deep crustal data from South Africa. The publication resulting and included herewith is: 'Ridge Regression Inversion Applied to Crustal ... continued below

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Ward, S.H. & Whelan, J.A. (and others) December 1, 1977.

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Description

This report covers the following Tasks: Task 76.1.21--Color photos: Stereo color aerial photographs were made available to industry for copying at industry's expense on November 28, 1977 at 11:00 a.m. This final report on this task merely records that fact. Task 77.1.14--Proposal Review (MOD A002)--All activities under this task have been completed. No tangible deliverables were required. Task 76.1.14--Simultaneous modeling of multiple data sets: A technique for simultaneous inversion of MT and Schlumberger data was developed and tested on some available deep crustal data from South Africa. The publication resulting and included herewith is: 'Ridge Regression Inversion Applied to Crustal Resistivity Sounding Data from South Africa', Geophysics, Volume 42, No.5, pages 995-1005. Joint inversion of Schlumberger and electromagnetic sounding data was developed and applied to geothermal data from Roosevelt Hot Springs KGRA. The publication resulting and included herewith is: 'Electromagnetic and Schlumberger Resistivity Sounding in the Roosevelt Hot Springs KGRA', Geophysics, in press. To utilize multiple inversion schemes at a convective hydrothermal system in the Eastern Great Basin will require applications of three-dimensional forward algorithms now available for gravity, magnetics, and AMT/MT. Unfortunately the pertinent data sets available for Roosevelt Hot Springs KGRA (or Monroe Hot Springs KGRA, for that matter) are not compatible since the physical property distributions giving rise to the gravity field is not coincident with that giving rise to the magnetic field, and so on. Thus, they have turned to interpreting each data set independently and then drawing a schematic model of the subsurface which accepts all data sets. An example of this procedure is contained in 'Geophysics of the Roosevelt Hot Springs Thermal Area, Utah', submitted to Geology and included in Final Report Volume 77-2. Task 76.1.11--Drill and Log 10 Heat Flow Holes: All thermal gradients and heat flows appear in Technical Report 77-3. The summary of drilling progress, costs, and lithologs is enclosed.

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  • Report No.: UU-77-17-Z
  • Grant Number: EY-76-S-07-1601
  • DOI: 10.2172/893370 | External Link
  • Office of Scientific & Technical Information Report Number: 893370
  • Archival Resource Key: ark:/67531/metadc875801

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  • December 1, 1977

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 5, 2016, 4:04 p.m.

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Ward, S.H. & Whelan, J.A. (and others). Final Report, Volume 77-5, report, December 1, 1977; United States. (digital.library.unt.edu/ark:/67531/metadc875801/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.