Florence Bascom Geoscience Center

Publications

Filter Total Items: 533
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Year Published: 2019

Detailed Lithologic Logs from Auger Holes in southern Charleston County, southwestern Dorchester County, and eastern Colleton County, South Carolina

The lithologic logs described in this open-file report are from holes augered in the South Carolina Low Country in parts of Charleston, Dorchester, and Colleton Counties from 1998 through 2010. Lithologic units described here include not only surficial Pleistocene units but also subsurface stratigraphic units ranging as far back in age as late...

Weems, Robert E.; Lewis, William C.
Weems, R.E., and Lewis, W.C., 2019, Detailed lithologic logs from auger holes in southern Charleston County, southwestern Dorchester County, and eastern Colleton County, South Carolina: U.S. Geological Survey Open-File Report 2019–1119, 129 p., https://doi.org/10.3133/ofr20191119.

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Year Published: 2019

La Niña-driven flooding in the Indo-Pacific warm pool during the past millennium

Extreme precipitation events are one of the most consequential components of climate change for society. The El Niño-Southern Oscillation (ENSO) is the dominant mode of precipitation variability in the tropics and causes severe flooding and drought in many socioeconomically vulnerable regions. It remains unclear how tropical rainfall extremes and...

Rodysill, Jessica; Russell, James M.; Vuille, Mathias; Dee, Sylvia; Lunghino, Brent D.; Bijaksana, Satria

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Year Published: 2019

Geologic map of the Ferncliff and Louisa quadrangles, Louisa, Fluvanna, and Goochland Counties, Virginia

The area encompassed by the geologic map of the Ferncliff and Louisa, Va., 7.5-minute quadrangles includes the hypothetical surface projection of the Quail fault, which is the subsurface fault that was responsible for the 2011 magnitude 5.8 (M5.8) Mineral, Va., earthquake. The mapping shows that the Quail fault appears to have reactivated the...

Burton, William C.; Harrison, Richard W.; Malenda, Helen F.; Pazzaglia, Frank J.; Crider, Ernest Allen
Burton, W.C., Harrison, R.W., Malenda, H.F., Pazzaglia, F.J., and Crider, E.A., Jr., 2019, Geologic map of the Ferncliff and Louisa quadrangles, Louisa, Fluvanna, and Goochland Counties, Virginia: U.S. Geological Survey Scientific Investigations Map 3429, 1 sheet, scale 1:24,000, https://doi.org/10.3133/sim3429.

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Year Published: 2019

Fossil tabulate corals reveal outcrops of Paleozoic sandstones in the Atlantic Coastal Plain Province, southeastern USA

The geologic history of the Southeastern United States of America is missing nearly 350-million-years of rocks, sediments, and fossils. This gap defines the Fall Line nonconformity where Upper Ordovician consolidated rocks are directly overlain by Upper Cretaceous unconsolidated sediments of the Atlantic Coastal Plain Province. Here we begin to...

Landmeyer, James E.; Tourneur, Francis; Denayer, Julien; Zapalski, Mikolaj K

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Year Published: 2019

Holocene Sea-Level Variability from Chesapeake Bay Tidal Marshes

We reconstructed the last 10,000 years of Holocene relative sea-level rise (RSLR) from sediment core records in near Chesapeake Bay, eastern U.S.A., including new marsh records from the Potomac and Rappahannock Rivers, Virginia. Results show mean RSLR rates of 2.6 mm yr-1 from 10 to 8 kilo-annum (ka) due to combined final ice-sheet melting during...

Cronin, Thomas M.; Clevenger, Megan K.; Tibert, Neil E.; Prescott, Tammy; Toomey, Michael; Hubeny, J. Bradford; Abbott, Mark B.; Seidenstein, Julia; Whitworth, Hannah; Fisher, Samuel R; Wondolowski, Nick; Ruefer, Anna

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Year Published: 2019

Paleoliquefaction field reconnaissance in eastern North Carolina—Is there evidence for large magnitude earthquakes between the central Virginia seismic zone and Charleston seismic zone?

In June 2016, approximately 64 kilometers (km) of riverbank were examined along the Tar and Neuse Rivers near Tarboro and Kinston, North Carolina, for evidence of liquefaction-forming earthquakes. The study area is in the vicinity of the Grainger’s fault zone in eastern North Carolina. The Grainger’s fault zone is a fault zone in the inner Coastal...

Carter, Mark W.; McLaurin, Brett T.
Carter, M.W., and McLaurin, B.T., 2019, Paleoliquefaction field reconnaissance in eastern North Carolina—Is there evidence for large magnitude earthquakes between the Central Virginia Seismic Zone and Charleston Seismic Zone?: U.S. Geological Survey Scientific Investigations Report 2019–5057, 54 p., https://doi.org/10.3133/sir20195057.

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Year Published: 2019

Mid-piacenzian of the north Atlantic Ocean

The Piacenzian Age (Pliocene) represents a past climate interval within which frequency and magnitude of environmental changes during a period of past global warmth can be analyzed, climate models can be tested, and results can be placed in a context to better prepare for future change. Here we focus on the North Atlantic region, incorporating new...

Dowsett, Harry J.; Robinson, Marci M.; Foley, Kevin M.; Herbert, Timothy D.; Otto-Bliesner, Bette L.; Spivey, Whittney

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Year Published: 2019

(U-Th)/He zircon dating of Chesapeake Bay distal impact ejecta from ODP site 1073

Single crystal (U‐Th)/He dating has been undertaken on 21 detrital zircon grains extracted from a core sample from Ocean Drilling Project (ODP) site 1073, which is located ~390 km northeast of the center of the Chesapeake Bay impact structure. Optical and electron imaging in combination with energy dispersive X‐ray microanalysis (EDS) of...

Biren, M.B.; Wartho, J.-A.; van Soest, M.C.; Hodges, K.V.; Cathey, H.; Glass, B.P.; Koeberl, C.; Horton, J. Wright; Hale, W.

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Year Published: 2019

Lithostratigraphic, geophysical, and hydrogeologic observations from a boring drilled to bedrock in glacial sediments near Nantucket Sound in East Falmouth, Massachusetts

In spring 2016, a 310-foot-deep boring (named MA–FSW 750) was drilled by the U.S. Geological Survey near Nantucket Sound in East Falmouth, Massachusetts, to investigate the hydrogeology of the southern coast of western Cape Cod. Few borings that are drilled to bedrock exist in the area, and the study area was selected to fill a gap between...

Hull, Robert B.; Johnson, Carole D.; Stone, Byron D.; LeBlanc, Denis R.; McCobb, Timothy D.; Phillips, Stephanie N.; Pappas , Katherine L. ; Lane, Jr., John W.
Hull, R.B, Johnson, C.D., Stone, B.D., LeBlanc, D.R., McCobb, T.D., Phillips, S.N., Pappas, K.L., and Lane, J.W., 2019, Lithostratigraphic, geophysical, and hydrogeologic observations from a boring drilled to bedrock in glacial sediments near Nantucket sound in East Falmouth, Massachusetts: U.S. Geological Survey Scientific Investigations Report 2019–5042, 27 p., https://doi.org/10.3133/sir20195042.

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Year Published: 2019

Endless forams: >34,000 modern planktonic foraminiferal images for taxonomic training and automated species recognition using convolutional neural networks

Accurate planktonic foraminiferal species identification is central to many paleoceanographic studies, from selecting specific species for geochemical research to elucidating the biotic dynamics of microfossil communities relevant to physical oceanographic processes and interconnected phenomena such as climate change. However, species...

Hsiang, Allison Y.; Brombacher, Anieke; Costa Rillo, Marina; Mleneck-Vautravers, Maryline J.; Connett, Stephen; Lordsmith, Sian; Jentzen, Anna; Henehan, Michael J.; Metcalfe, Brett; Fenton, Isabel; Wade, Bridget; Fox, Lyndsey; Meilland, Julie; Davis, Catherine V.; Baranowski, Ulrike; Groeneveld, Jeroen; Edgar, Kirsty M.; Movellan, Aurore; Aze, Tracy; Dowsett, Harry J.; Miller, Giles; Rios, Nelson; Hull, Pincelli M.
Hsiang, A. Y., Brombacher, A. , Rillo, M. C., Mleneck‐Vautravers, M. J., Conn, S. , Lordsmith, S. , Jentzen, A. , Henehan, M. J., Metcalfe, B. , Fenton, I. S., Wade, B. S., Fox, L. , Meilland, J. , Davis, C. V., Baranowski, U. , Groeneveld, J. , Edgar, K. M., Movellan, A. , Aze, T. , Dowsett, H. J., Miller, C. G., Rios, N. and Hull, P. M. (2019), Endless Forams: >34,000 Modern Planktonic Foraminiferal Images for Taxonomic Training and Automated Species Recognition Using Convolutional Neural Networks. Paleoceanography and Paleoclimatology, 34: 1157-1177. doi:10.1029/2019PA003612

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Year Published: 2019

Rapid inundation of the southern Florida coastline despite low relative sea-level rise rates during the late-Holocene

Sediment cores from Florida Bay, Everglades National Park were examined to determine ecosystem response to relative sea-level rise (RSLR) over the Holocene. High-resolution multiproxy analysis from four sites show freshwater wetlands transitioned to mangrove environments 4–3.6 ka, followed by estuarine environments 3.4–2.8 ka, during a period of...

Jones, Miriam; Wingard, G. Lynn; Stackhouse, Bethany; Keller, Katherine; Willard, Debra A.; Marot, Marci E.; Landacre, Bryan D.; Bernhardt, Christopher E.

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Year Published: 2019

Sampling the volatile-rich transition zone beneath Bermuda

Intraplate magmatic provinces found away from active plate boundaries, provide direct sampling of the Earth’s mantle composition and heterogeneity. Observed chemical heterogeneities in the mantle are commonly attributed to recycling during subduction1-3, which allows for the addition of volatiles and incompatible elements into the mantle. Although...

Mazza, Sarah E.; Gazel, Esteban; Bizmis, Michael; Moucha, Robert; Beguelin, Paul; Johnson, Elizabeth A.; McAleer, Ryan J.; Sobolev, Alexander