ML18193A841
ML18193A841 | |
Person / Time | |
---|---|
Site: | Palo Verde |
Issue date: | 06/06/1973 |
From: | Arizona Public Service Co |
To: | US Atomic Energy Commission (AEC) |
References | |
Download: ML18193A841 (1) | |
Text
BACKHOE TRENCH P'k/ BH 5 Sou/h kYa//
/ EF7 5 /0 /5 20 25 50 55 40 45 50 55 60 65 /0 f5 80 85 90 95 I
N 63'E 8asoll, prey- brown, highly vesicular, olivine altering to i ddingsi le, microphenocrys ts of gray plagioclose, blocky Soil highly fractured and weathered Fresh basal/ N/5 W 45W N85W 82S N55 W N24E 73NW Con/tiers 8asolt gray brown hard fresh sligh/ly vesicular, red phenocrysls Weathered Tuff, lithic, /ighl pray, hard, noncolcoreous Jo/nt N29E 60SE basalt and rock fragments, 2-3mni in iddingsile, microphenocrysls of 8osolt, dark gray, olivine phenocrysts diameter faintly bedded subongulor to piogioclose altered to i ddinpsile ond aug//e phenocrysts angular quarts, ond feldspar, fine - grained.
set in dark gray groundmoss, vesicular, secondary colci le fillings, highly fractured, extremely weathered ot surface, blocky, crumbles easily Date of Excavation: 6-6-73 LOG OF TRENCH PV- BH -5