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Hydrogeochemical investigations in the Osgood mountains, north-central Nevada. Chapter B.

Bulletin 2210-B

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Abstract

Field investigations performed in the Osgood Mountains during the summers of 1999 and 2000 were designed to test methods of combining geologic, hydrologic, and geochemical investigations. The goals were to develop a more thorough understanding of the movement of water through the study area and to understand the water-rock reactions that may occur along flow paths. The Osgood Mountains were chosen for study because they represent a well-defined geologic system, based on existing and new field data. New work in the area focused on gathering more data about fractures, faults, and joints and on collecting water samples to evaluate the role of geologic structures on hydrologic and geochemical properties of the ground-water/surface-water system. Chemical methods employed in the study included measuring traditional field parameters (e.g., pH, temperature, conductivity, dissolved oxygen) as well as Fe2+ and collecting a variety of samples that were preserved for later laboratory analysis. Hydrologic methods included closely spaced evaluations of substream hydraulic head to define ground-water discharge and recharge zones as well as some measurements of stream discharge. Geologic investigations focused on the locations and orientations of fractures and kinematic indicators of slip observable in outcrops.

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Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Hydrogeochemical investigations in the Osgood mountains, north-central Nevada. Chapter B.
Series title:
Bulletin
Series number:
2210
Chapter:
B
Edition:
Version 1.0
Year Published:
2006
Language:
ENGLISH
Description:
vi, 19 p.
Larger Work Type:
Report
Larger Work Subtype:
USGS Numbered Series
Larger Work Title:
Geoenvironmental Investigations of the Humboldt River Basin, Northern Nevada
Time Range Start:
1995-01-01
Time Range End:
2000-12-31
Scale:
0
Online Only (Y/N):
Y