ML18003A287
| ML18003A287 | |
| Person / Time | |
|---|---|
| Site: | Harris  |
| Issue date: | 11/21/1978 |
| From: | Stepp J Office of Nuclear Reactor Regulation |
| To: | Parr O Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7811290201 | |
| Download: ML18003A287 (4) | |
Text
NOV 2 1878 I
HEtkORANDUH FOR:
Olan D.- Parr, Chief Light Hater Reactors Branch 83, DPN FRON:
J. Carl Stepp, Chief Geosciences Branch OSE
SUBJECT:
POST CP quESTION - SCHISTOSE ZONE EVALUATION PLANT NAME:
. Shearon Harris LICENSING STAGE:
Post CP PROJECT NO '4953-RESPONSIBLE BRANCH:
LMR gj LICENSING PROJECT IMAGER: S. Nine APPLICANTS RESBONSE DATE NECESSARY, FOR NEXT ACTION PLANNED ON PROJECT:
REVIEW STATUS:
Continuing Below is a request. for additional information in the field of Geol-ogy and Seismology..
These questions vIere prepared by A. T. Cardone W
361.l - l"e agree that the evidence supports-your conclusion that.
the schistose zone at station 2+50 of the diversion conduit excava-tion resu'lted from deformation which occurred over 225 million yenrs ago.
However sufficient data.have not been provided to support your further conclusion that these zones cannot be described as capable
'faults.
In particular the schistone zone ~ granil:6 contact at station 2+55 is mapped as a planar contact which strongly suggests a fault contact due to possible reactivated movement along this zone In order to better identify and date the planar feature pro>>
vide information which demonstrates that no movement has occurred along this contact or if offset has. occurred, demonstrate its age of last movement.
At a min@num.. provide data such as a thin-section study across the planar contact which identifies key minerals, their time of deposition, and their Bast period of deformation.
In addition, a fold analysis across the planar contact would be extremely useful in making such a demonstr ation 1
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J Carl Stepp Chief J
Geosciences Branch Oivision of Site Safety and Environmental Analysis lA~Q)'L
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