Magnetotelluric survey to locate the Archean/Proterozoic suture zone in north eastern Nevada

Williams, Jackie M.; Rodriguez, Brian D.

doi:10.3133/ofr20041215

Cited by 3 publications

(5 citation statements)

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“…65). Data collection and MT modeling methods were similar to those described by Williams and Rodriguez (2004). In the two transects from southern Spring Valley to Hamlin Valley, the carbonate bedrock of the Limestone Hills is electrically resistive, with resistivity greater than 250 ohm-meter (ohm-m), and the valley fill is electrically more conductive, with resistivity between 10-50 ohm-m.…”

Section: Wilson Creek Rangementioning

confidence: 89%

Evaluating connection of aquifers to springs and streams, Great Basin National Park and vicinity, Nevada

Prudic¹,

Sweetkind²,

Jackson³

et al. 2015

Professional Paper

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For more information on the USGS-the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment-visit http://www.usgs.gov or call 1-888-ASK-USGS.For an overview of USGS information products, including maps, imagery, and publications, visit http://www.usgs.gov/pubprod/.Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.Although this information product, for the most part, is in the public domain, it also may contain copyrighted materials as noted in the text. Permission to reproduce copyrighted items must be secured from the copyright owner.Suggested citation: Prudic, D.E, Sweetkind, D.S., Jackson, T.R., Dotson, K.E., Plume, R.W., Hatch, C.E., and Halford, K.J. 2015, Evaluating connection of aquifers to springs and streams, Great Basin National Park and vicinity, Nevada: U.S. Geological Survey Professional Paper 1819, 188 p., http://dx.doi.org/10.3133/pp1819. ISSN 2330-7102 (online) iii AcknowledgmentsThe study was developed cooperatively among the National Park Service, Bureau of Land Management, U.S. Fish and Wildlife Services, the U.S. Forest Service, the U.S. Geological Survey, and the University of Nevada, Reno. The National Park Service, as the lead agency, prepared and submitted a proposal for funding through the Southern Nevada Public Lands Management Act Round 8-Conservation Initiatives category for White Pine County.Many people assisted with the design, oversight, management, data collection, and data verification for this project. First and foremost, we wish to acknowledge the numerous contributions of William P. (Bill) Van Liew, Hydrologist from the National Park Service, Water Resources Division, for his ongoing efforts to understand the hydraulic connection of groundwater in the Great Basin National Park with the groundwater in Snake and Spring Valleys and how pumping in the valleys might affect surface and groundwater resources in the park. Bill also was assigned the task of oversight and project management. Robert Boyd, of the U.S. Bureau of Land Management, and James Prieur, of Southern Nevada Water Authority, spent many hours in the design of the project and in coordination with ongoing data collection by other agencies. Gary Karst, Hydrologist at Lake Mead National Recreation Area, spent many hours in the removal of fiber-optic cable from Lehman Creek and assisting in the oversight of the drilling of test wells at two places: one next to Snake Creek and the other next to Baker Creek.Andrew Ferguson, former Great Basin National Park Superintendent, oversaw support of the project. This included providing personnel for helping with the permits, providing logistical support for the semi-annual public meetings, obtaining previously collected data, and assisting with data collection. Acknowledgements are extended to park personnel Gretchen Baker (Ecologist) and Benjamin Roberts (Chief of Natural Resources) for their guidance and help in obtaining permits, providing d...

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Section: Wilson Creek Rangementioning

confidence: 89%

Evaluating connection of aquifers to springs and streams, Great Basin National Park and vicinity, Nevada

Prudic¹,

Sweetkind²,

Jackson³

et al. 2015

Professional Paper

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“…MT (n = 25) soundings were collected in September 2003 along a 249-km-long north-south profi le (B-B'; Fig. 1) in eastern Nevada (Williams and Rodriguez, 2004). Sounding locations for these two profi les were chosen to cross the suture zone hypothesized from regional interpretations of geologic mapping (Reed, 1993) and variations in Pb isotope data (Tosdal et al, 2000).…”

Section: Magnetotelluric Surveymentioning

confidence: 99%

“…MT soundings (n = 11) were collected in July 2005 along a 90-km-long east-west profi le (D-D'; Fig. 1) in northeastern Nevada (Williams and Rodriguez, 2006). Sounding locations for these two profi les were chosen to cross the suture zone on the basis of hypothesized projections from MT data to the southeast (Williams and Rodriguez, 2004).…”

Section: Magnetotelluric Surveymentioning

confidence: 99%

“…The western limit of Archean crust has been proposed as far west as the initial 87 Sr/ 86 Sr = 0.706 isopleth (Sr i ) line (Tosdal et al, 2000;Sims et al, 2005); however, Link et al (1993) and Reed (1993) placed the western limit of Archean crust farther east. To better constrain the location and strike of the suture zone below cover, three regional north-south and one east-west magnetotelluric (MT) sounding profi les were acquired in western Utah (Williams and Rodriguez, 2003) and eastern Nevada (Williams and Rodriguez, 2004.…”

Section: Introductionmentioning

confidence: 99%

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Tracking the Archean-Proterozoic suture zone in the northeastern Great Basin, Nevada and Utah

Rodriguez

Williams

2008

Geosphere

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It is important to know whether major mining districts in north-central Nevada are underlain by crust of the Archean Wyoming craton, known to contain major orogenic gold deposits or, alternatively, by accreted crust of the Paleoproterozoic Mojave province. Determining the location and orientation of the Archean-Proterozoic suture zone between these provinces is also important because it may infl uence subsequent patterns of sedimentation, deformation, magmatism, and hydrothermal activity. The suture zone is exposed in northeastern Utah and southwestern Wyoming and exhibits a southwest strike. In the Great Basin, the suture zone strike is poorly constrained because it is largely concealed below a Neoproterozoic-Paleozoic miogeocline and Cenozoic basin fi ll. Two-dimensional resistivity modeling of three regional north-south magnetotelluric sounding profi les in western Utah, north-central Nevada, and northeastern Nevada, and one east-west profi le in northeastern Nevada, reveals a deeply penetrating (>10 km depth), broad (tens of kilometers) conductor (1-20 ohm-meters) that may be the Archean-Proterozoic suture zone, which formed during Early Proterozoic rifting of the continent and subsequent Proterozoic accretion. This major crustal conductor changes strike direction from southwest in Utah to northwest in eastern Nevada, where it broadens to ~100 km width that correlates with early Paleozoic rifting of the continent. Our results suggest that the major gold belts may be over-isolated blocks of Archean crust, so Phanerozoic mineral deposits in this region may be produced, at least in part, from recycled Archean gold. Future mineral exploration to the east may yield large gold tonnages.

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“…2, northeast of Wells, Nevada, near the Pequop Siding railroad stop, then continuing westerly and ending just northeast of Contact Ranch. The profile location was selected to cross the Archean/Proterozoic suture zone on the basis of hypothesized projections from MT data to the southeast (Williams and Rodriguez, 2004) and regional interpretations of geologic mapping (Reed, 1993).…”

Section: Magnetotelluric Surveymentioning

confidence: 99%

Magnetotelluric survey to locate the Archean/Proterozoic suture zone in north eastern Nevada

Cited by 3 publications

References 14 publications

Evaluating connection of aquifers to springs and streams, Great Basin National Park and vicinity, Nevada

Evaluating connection of aquifers to springs and streams, Great Basin National Park and vicinity, Nevada

Tracking the Archean-Proterozoic suture zone in the northeastern Great Basin, Nevada and Utah

Magnetotelluric survey to locate the Archean/Proterozoic suture zone north of Wells, Nevada

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