Publications
Browse more than 160,000 publications authored by our scientists over the past 100+ year history of the USGS. Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.
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Mission Area Publications
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Unifying the Neoarchean Lac des Iles Complex and implications for the petrogenesis of Pd-enriched noritic breccia pipes in ancient arcs Unifying the Neoarchean Lac des Iles Complex and implications for the petrogenesis of Pd-enriched noritic breccia pipes in ancient arcs
No abstract available.
Authors
William D. Smith, L. Fay, M.L. Djon, Michael Jenkins, Y. Lin, Z. S. Yao, James E. Mungall
USGS Telemetry Project: Real-Time Telemetry and Multi-State Modeling USGS Telemetry Project: Real-Time Telemetry and Multi-State Modeling
No abstract available.
Authors
Marybeth K. Brey, P. Ryan Jackson, Jessica C. Stanton, Andrea K. Fritts
Melting at the base of the J-M Reef Package, Stillwater Complex Melting at the base of the J-M Reef Package, Stillwater Complex
No abstract available.
Authors
Michael Jenkins, Stephen J. Barnes
Pacific coastal and marine science of the U.S. Geological Survey in Santa Cruz, California Pacific coastal and marine science of the U.S. Geological Survey in Santa Cruz, California
Introduction The Pacific Coastal and Marine Science Center is one of three U.S. Geological Survey science centers that serve the mission of the Coastal and Marine Hazards and Resources Program, the primary Federal marine geology and physical science research program focused on the Nation’s coastal and marine landscape. Our portfolio of coastal and marine projects in the Pacific Ocean...
Authors
Peter Pearsall
Mapping the middle and upper Devonian marine-nonmarine transition in the Appalachian Basin from West Virginia to New York. Mapping the middle and upper Devonian marine-nonmarine transition in the Appalachian Basin from West Virginia to New York.
No abstract available.
Authors
Daniel H. Doctor, Alan D Pitts
Lunar mare basaltic volcanism: Volcanic features and emplacement processes Lunar mare basaltic volcanism: Volcanic features and emplacement processes
Volcanism is a fundamental process in the geological evolution of the Moon, providing clues to the composition and structure of the mantle, the location and duration of interior melting, the nature of convection and lunar thermal evolution. Progress in understanding volcanism has been remarkable in the short 60-year span of the Space Age. Before Sputnik 1 in 1957, the lunar farside was...
Authors
James W. Head III, Lionel Wilson, Harald Hiesinger, Carolyn H. Van der Bogert, Yuan Yuan Chen, James L. Dickson, Lisa Gaddis, Junichi Haruyama, Lauren Jozwiak, Erica Jawin, Chunlai Li, Jianzhong Liu, Tomokatsu Morota, Debra H. Needham, Lillian R. Ostrach, Carle M. Pieters, Tabb C. Prissel, Yuqi Qian, Lei Qiao, Malcolm R. Rutherford, David R. Scott, Jennifer L. Whitten, Long Xiao, Feng Zhang, Ouyang Ziyuan
Geophysical mapping of the Great Lakes Tectonic Zone and surrounding Precambrian geology in the central Upper Peninsula, Michigan Geophysical mapping of the Great Lakes Tectonic Zone and surrounding Precambrian geology in the central Upper Peninsula, Michigan
The Great Lakes Tectonic Zone (GLTZ) forms the boundary between the Wawa-Abitibi subprovince (north side) and Minnesota River Valley subprovince (south side) within the Archean Superior Province. The GLTZ is concealed for all of its 1100 km length, except south of Marquette in the central Upper Peninsula of Michigan (Sims, 1991; Sims and Day, 1993). Near KI Sawyer, it is exposed as a NW...
Authors
Benjamin J. Drenth, William F. Cannon
Status and trends in the Lake Superior fish community, 2023 Status and trends in the Lake Superior fish community, 2023
The U.S. Geological Survey annually conducts fishery surveys across Lake Superior that describe trends in fish species occurrence and relative abundance to inform fisheries management and large lake ecology. In 2023, the Lake Superior fish community was sampled with daytime bottom and surface trawls at 51 nearshore locations in June and 31 offshore locations in July. Nearshore bottom...
Authors
Mark Vinson, Lori M. Evrard, Owen Gorman, Sydney B Phillips, Daniel L. Yule
Geophysical architecture of the Neoarchean Mentor anorthosite intrusive complex, northwestern Minnesota Geophysical architecture of the Neoarchean Mentor anorthosite intrusive complex, northwestern Minnesota
The ca. 2737 Ma (Souders, 2023) Mentor anorthosite intrusive complex (MAIC) lies near the northern margin of the Wawa subprovince of the Archean Superior Province, in an area of northwestern Minnesota where the Wawa, Quetico, and Wabigoon subprovinces are juxtaposed in close proximity (Fig. 1). The rocks of interest are entirely concealed by 10s to >100 m of unconsolidated Quaternary...
Authors
Benjamin J. Drenth, Amy Radakovich Block, George J. Hudak, Amanda Souders, Stacy Saari
Chapter 24 - Resilience-based challenges and opportunities for fisheries management in Anthropocene rivers Chapter 24 - Resilience-based challenges and opportunities for fisheries management in Anthropocene rivers
Few pristine rivers remain worldwide, as they are among the most anthropogenically modified ecosystems. We suggest the geomorphology, hydrology and ecology of Anthropocene rivers are fundamentally different from historical natural rivers. These changes challenge conventional fisheries management practices, suggesting the tools supporting fisheries management may require expansion so that
Authors
Jason A. DeBoer, Kristen L. Bouska, Christian Wolter, Martin C. Thoms
Documentation of a pilot workflow for reanalyzing the U.S. Geological Survey principal aquifers datasets and prototype principal aquifer version 2 dataset for three aquifer systems Documentation of a pilot workflow for reanalyzing the U.S. Geological Survey principal aquifers datasets and prototype principal aquifer version 2 dataset for three aquifer systems
A pilot workflow to refine the principal aquifers of the United States as defined in the Ground Water Atlas of the United States and create a new version of the principal aquifers (referred to as “version 2”) is documented in this report. The workflow incorporates decision points for creating finer scale spatial data for the principal aquifers and refining the original principal aquifer
Authors
Martha G. Nielsen
Geographic distribution: Incilius alvarius (Sonoran desert toad) Geographic distribution: Incilius alvarius (Sonoran desert toad)
No abstract available.
Authors
Erika M. Nowak, Karina Cocks, Charles A. Drost, Janie Agyagos, Eve Berlinksy, Jennifer Steffen, Rafal Banas, Meredith Talbert, Sara Eno