ML18193A154

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Log of Trench PV-BH-31
ML18193A154
Person / Time
Site: Palo Verde  
Issue date: 07/21/1975
From:
Arizona Public Service Co
To:
Office of Nuclear Reactor Regulation
References
Download: ML18193A154 (1)


Text

~N 50E SOUTHEAST WALL BACKHOE TRENCh'V BH 3I FEET 0

I 5

I IO I

15 I

20 25 30 35 40 45 50 55 I

60 I

65 70 I

75 80 85 90 95 100 105 I I 0 115 120 125 130 135 I

140 145 150 155 160 165 170 175 180 185 190 Sandy gravel, red-brown, medium to coarse grained sand with minor amounts of silt, gravel to 1.5 in dio meter, poorly sorted, subangular to subrounded, faintly bedded, weakly calcareous, lower contact sharp and irregular, gravels volcanic with minor metamorphics.

Gravelly sand; sandy gravel, llpht red-brown, sand fine to coarse,gravels up to 2 in diameter, poorly sorted,subangular to subrounded, non-statified, massive, calcareous, lower contact sharp;irregular and locally gradational, grovels volcanic and grade-out towards southwest.

15 Datum line 0

Bottom of Trench Sand with minor gravel, light gray-brown, fine to medium sand, well Io poorly sorted, subangular to subrounded, nonstratified, highly calcareous, lower contact poorly defined and Irregular, unit contains numerous caliche cemented sand lenses and nodules, numerous root lets.

Call che 0

a Cilia'\\la

":::::.':.:", ":.... <<,.Galactic:,,

55 NNNNN

"" ":: ~

~

C 5 NNN'NC.'N ";::::"':::: """:::::::"" >>'::";:::

~ NEE:"":::

0 0

0 Callchifled burrow Sandy silt, white to light pray-brown feery fine to fine grained sand and slit, well sorted with occassional gravel, subrounded, non-stratified, unit contains numeous caliche nodules and lenses, numerous pockets of white callche unit varies from hard to soft.

IO 0

Data of Excavation 7-1-75 LOG OF TRENCH PV-BH-3t uly 21, 1975 Amendmen