Description and results of test-drilling program at Picatinny Arsenal, New Jersey, 1982-84

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Authors:Harte, Philip T.; Sargent, B. Pierre; Vowinkel, Eric F.
Author Affiliations:Primary:
U. S. Geol. Surv., West Trenton, NJ, United States
Source:Open-File Report - U. S. Geological Survey, No.OF86-0316, 54p. Publisher: U. S. Geological Survey, Reston, VA, United States. ISSN: 0196-1497
Publication Date:1986
Note:In English. Prepared in cooperation with U. S. Army Armament Res. and Dev. Cent.. 15 refs. Site location map
Summary:Picatinny Arsenal, located in north-central New Jersey, has a long history of explosives manufacturing. Past industrial activities and past waste-disposal practices have caused some groundwater contamination problems. In 1982, the U.S. Geological Survey, in cooperation with the U.S. Army, began a water resources investigation of the Arsenal. The test drilling program is designed to define the hydrogeology and install observation wells. Twenty-two boreholes were drilled and 21 observation wells installed in these holes. All drilling was done in a glaciated valley. The report includes lithologic and gamma-ray logs, results of grain-size analyses, well-construction data, and some groundwater levels. The generalized stratigraphic sequence of geologic units penetrated from the test-drilling program are from lower to upper: (1) pre-dominantly dolomitic Leithsville Formation, (2) in the upper part of bedrock, a weathered dolomite zone, (3) a thin discontinuous mantle of till, and (4) stratified drift deposit up to 208 ft thick. (USGS)
Subjects:Drilling; Engineering geology; Geochemistry; Ground water; Hydrochemistry; Maps; Monitoring; Pollution; Programs; Site location maps; Surveys; Testing; USGS; Waste disposal; Water quality; Water wells; Morris County New Jersey; New Jersey; Picatinny Arsenal; United States; North-central New Jersey; Wells; Site location map
Coordinates:N405500 N410000 W0742800 W0743500
Record ID:1987077959
Copyright Information:GeoRef, Copyright 2018 American Geosciences Institute. Reference includes data from USGS product, Selected Water Resources Abstracts, Reston, VA, United States
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