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Transient Electromagnetics, Passive Seismic, and Borehole Electromagnetics, Gamma, and Nuclear Magnetic Resonance Methods to Characterize Glacial Sediments in East Falmouth, Massachusetts, Near Nantucket Sound

Dates

Publication Date
Start Date
2015
End Date
2018

Citation

Johnson, C.D., White, E.A., Phillips, S.N., Pappas, K.L., Hull, R.B., LeBlanc, D.R., and Lane Jr, J.W., 2019, Transient Electromagnetics, Passive Seismic, and Borehole Electromagnetics, Gamma, and Nuclear Magnetic Resonance Methods to Characterize Glacial Sediments in East Falmouth, Massachusetts, Near Nantucket Sound: U.S. Geological Survey data release, http://doi.org/10.5066/F7P26X0Z.

Summary

In March 2016, the U.S. Geological Survey drilled a borehole, MA-FSW-750-0100, through the unconsolidated sediments and 1.5 m into the bedrock in East Falmouth, Massachusetts, to improve understanding of the glacial history and hydrologic properties of the Cape Cod aquifer. Prior to drilling, candidate sites were investigated using surface geophysical methods. Passive seismic horizontal-to-vertical spectral ratio (HVSR) methods were used to estimate the depth of the unconsolidated deposits over bedrock. Transient electromagnetic (TEM) surveys were conducted to characterize the lithology and salinity of formation water in the subsurface, which was used to plan the borehole completion. The specific conductance of the fluids extracted [...]

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Purpose

The purpose of this data release is to provide the geophysical data that were collected to improve understanding of the glacial history and hydrogeologic properties of the unconsolidated aquifer in East Falmouth, Massachusetts, near Nantucket Sound.

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DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/F7P26X0Z

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