Open AccessMANTECA containment data report
Author(s) -
T. Stubbs,
R. Heinle
Publication year - 1996
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/278397
Subject(s) - alluvium , impact crater , detonation , containment (computer programming) , geology , test site , paleozoic , radium , seismology , hydrology (agriculture) , geomorphology , geotechnical engineering , geochemistry , archaeology , explosive material , physics , geography , nuclear physics , astronomy , computer science , programming language
The MANTECA event was detonated in hole U4al of the Nevada Test Site. The MANTECA device had a depth-of-burial (DOB) of 412 m in the alluvium of area 4, about 320 m above the Paleozoic formation and 120 m above the standing water level. Stemming of the 2.44 m diameter emplacement hole followed the plan described. A log of the stemming operations was maintained. Detonation time was 07:20 PST on December 10, 1982, and collapse progressed to the surface at about 1.1 hour after detonation. The resulting crater had a mean radium of 82.2 m and a maximum depth of 14.1 m. No radiation arrivals were detected above ground and the MANTECA containment was considered successful
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