ML18193A844
| ML18193A844 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 08/18/1973 |
| From: | Arizona Public Service Co |
| To: | US Atomic Energy Commission (AEC) |
| References | |
| Download: ML18193A844 (1) | |
Text
BACKHOE TRENCH PY-BH-I North 8'all FjET
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Silly grOvel- Li ght brown to loni very loose; moderatelf'alcaieous; unstroflfi edi very poorly sorledi anpular to subraundi vole'anic provel with slit inetrlx. Abundonf roots und coliche
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~N44 Surface is composed of clean volcanic grovel desert pavemenl-ond o few scattered boulders.
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Contact is generally shorp with lo~er unit, which ls highly cali chified ond very bord.
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00 O'O-Approximoiely sixfy percent boulders with Increasing amount of silt matrix.
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0A TU/y/ L liVF Grodotional chonpe into increasing boulder count coatinps throughout.
Conglomerote Whi te ro lighr brown; hard to very hard; highly calcareous; unstratifiedl Poorly sorted; angular lo subrounded; predominantly Grodotionai cboage into VOICaniC graVel Ond bOulderS leSS than Or equal IO ane Ond xone of increosinp boulders one hall feetin diameter. Itnif contains numerous small pochefs toward niid- soddle. (approximately six inches in diameter) of sandy silt ond irregular cali chified zones /approximarely one foorby four inches/of brecciated v olcani cs in o cali che matrix composing forty ta eighty percenl Approximately twenty percent boulders. of Ihe zone.
Date of Excavation: 8-18-73 LOG OF TRENCH PV- BH - I