ML18193A829

Log of Trench PV-BH-14, Backhoe Trench, North Wall

ML18193A829
Person / Time
Site:	Palo Verde
Issue date:	07/23/1973
From:	Arizona Public Service Co
To:	US Atomic Energy Commission (AEC)
References
Download: ML18193A829 (1)

Text

BA CKHOE TRENCH P Y-BH-l4 N orth 8'all Z 6 I

8 /0 /Z /6 /8 ZO ZZ FEE 7 Z4 Z6 I

ZB 30 I

3Z 3'6 38 40 4Z I

46 SOIL - Si lty, sandy gravel- Light brown, loose, moderately calcareous; poorly sorted, subongular to subroundi onde- /0 sitic grovels, minor scattered boulders N36 E o .' ..o Ground Surface a

I

'POCbei iw I

I Stream Alluvium - Volcanic Oars groy, fresh, vnfroctured volconics. (9 Soil- Surface debris of tuff from 6

/ I Gray - green v olcanics - A Ile re d, grovels .

I Red basalt y Contact vnderlying tuff unit.

Bosolt light gray on fresh surfoce, md very weathe red. highly fractured I ( .

C n .<<I <<I m a w, I i.n<<%

tO gray green When alteredl slight to i ntense I I weathering; moderately to severely fractured. I 3a. - .. n r C' p.

b<<o '..s1.

L1 I Fault 0A7UM LINE I Red N45ow<<75oNE D

.

Tuff I: d:nA<i T ~i- 't~-.g.~.4'~'6 Poult A T'vff '55 Fau!t

', rl.'- -cf -b ~ ~:a .m'.~,lI,.A p.:P.-'p '..

N 48v W<<87oS Indistinct color change due to W,eZ NG 4.

..'<<D

) ~ <<v a ~ .xI p' g

Caliche veins-differential olterobon Trench Floor Generally horizontal Sondy Tvff- red lo pine, moderately Tuff white, modarately hard, fresh, slightly calcareous; contains minor fine-orientation. hard, slightly calcareovs; moderately grained svbongvlor gvartz ond biotite phenocrystsl randomly jointed.

sortedl subongvlarl orbosic sand.

Date of Excavation: i 7-23-73 LOG OF TRENCH PV BH I4