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(~ANFORD UNIV ERSITY-STANTO:iO. CM.f ROP.NI A ';110) r.:. w.~.-
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July 22, 1977
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!!r. John ::: inicy ACP.5, l'.S. ::ac} car
.c~.ula tory Cor.ission tla r.h i n;*.o a, D. C.
20555 L / - l ' c$. 5 b /1
Dear John:
The enclocerl dic;rc:: ca. interest Con it:ce.c ccr-and staff vi:b resp;ct to ths Diablo C:r.ycn plant.
The fi - r : vas recen:ly bu. ic :aken fren publirhed by the San Jcaquin Geolcgical 5::.12: -
a Stanford th2 sis (Crahca, S.A., 1976, Tertir.-; soci.entary tec tonics of the central Salinian block of Califerrtia:
Stanford Univ. Ph.D.
thesis, 510 p.).
k'ha : the figurc shows is th:: prier to about 5 nillior. years a;o the relativ: notion batvaen tSc ?1,cific and 'crth !..crice.a plates (Curte C er D) vcs greater than the San le.d.:: s f aul
- Tion (Curve A).
Eut in the last 5.;,. ::.ere is little dif f erence ':e veen -he. zurves.
These cc:p.risens cean that almost all of :he relatite plate to:ien in the last 5 c.y. tss on the San Andrcas fault, whereas before that tiac large disple:enants cust hcve taken pls:e or. other f aults.
This interpretati:n s conristent beth with !!:ll's avidence of large te: 1 dirpla:cc:.c and with th: cypli:s.t's inferen:e,;,f a small WM ucdern rc:c ef dispit.:crent cicn;; the !!osgri f ault.
c:cly yours, Sinc /,/
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Cc,pltge,% Thompson Chairman.i Dcophys'ics Depart;:ent f
s CAT:c Enclocurc 8608250421 060001 PDR FOIA PDR HOUGH 86.-391 h
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LGR MESOZO!O ANf CENOZO!C
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SEDiMENTATiOM AND TECTONinS
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