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The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse more than 5,500 book chapters authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.
Filter Total Items: 6164
Microbial lime-mud production and its relation to climate change Microbial lime-mud production and its relation to climate change
Microbial calcification has been identified as a significant source of carbonate sediment production in modern marine and lacustrine environments around the globe. This process has been linked to the production of modern whitings and large, micritic carbonate deposits throughout the geologic record. Furthermore, carbonate deposits believed to be the result of cyanobacterial and...
Authors
K. K. Yates, L. L. Robbins
Coral reefs and shoreline dipsticks Coral reefs and shoreline dipsticks
No abstract available.
Authors
E.A. Shinn
Seafloor collapse and methane venting associated with gas hydrate on the Blake Ridge: causes and implications to seafloor stability and methane release Seafloor collapse and methane venting associated with gas hydrate on the Blake Ridge: causes and implications to seafloor stability and methane release
No abstract available.
Authors
William P. Dillon, Jeffrey W. Nealon, Michael H. Taylor, Myung W. Lee, Rebecca M. Drury, Christopher H. Anton
Flash-flood related hazards: landslides, with examples from the December 1999 disaster in Venezuela Chapter 24 Flash-flood related hazards: landslides, with examples from the December 1999 disaster in Venezuela Chapter 24
No abstract available.
Authors
Matthew C. Larsen, Maria Teresa Vasquez-Conde, R.A. Clark
Interactions between cyanide heap leach solutions and acid-rock drainage: implications for remediation and the potential environmental impacts of cyanide from Summitville, Colorado Interactions between cyanide heap leach solutions and acid-rock drainage: implications for remediation and the potential environmental impacts of cyanide from Summitville, Colorado
No abstract available.
Authors
Geoffrey S. Plumlee
Fluvial processes and passive rehabilitation of the Lisbon Bottom side-channel chute, Lower Missouri River Fluvial processes and passive rehabilitation of the Lisbon Bottom side-channel chute, Lower Missouri River
Multiple large floods in 1993-1997 on the Lower Missouri River carved a side-channel chute through the river bottom at Lisbon, Missouri. Although similar in some respects to engineered side-channel chutes designed for habitat rehabilitation projects, the Lisbon Bottom chute has been unique in that it was allowed to evolve for more than four years with minimal stabilization. During the...
Authors
Robert B. Jacobson, Mark S. Laustrup, Michael D. Chapman
Basinsoft, a computer program to quantify drainage basin characteristics Basinsoft, a computer program to quantify drainage basin characteristics
Surface water runoff is a function of many interrelated factors including climate, soils, landuse, and the physiography of the drainage basin. A practical and effective method to quantify drainage basin characteristics would allow analysis of the interrelations of these factors, leading to an improved understanding of the effects of drainage basin characteristics on surface-water runoff
Authors
Craig A. Harvey, David A. Eash
Paleoclimate concepts Paleoclimate concepts
Interpretation of paleoclimate records requires an understanding of Earth’s climate system, the causes (forcings) of climate changes, and the processes that amplify (positive feedback) or damp (negative feedback) these changes. Paleoclimatologists reconstruct the history of climate from proxies, which are those characteristics of sedimentary deposits that preserve paleoclimate...
Authors
Richard B. Ally, Joan J. Fitzpatrick, J. Brigham-Grette, Geoffery L. Miller, Daniel R. Muhs, Leonid Polyak
Field trip day four: Road log for the Sterling Hill and Franklin Zinc Mines, New Jersey Field trip day four: Road log for the Sterling Hill and Franklin Zinc Mines, New Jersey
This portion of the field trip features visits to the world famous Sterling Hill and Franklin mines, in northwestern New Jersey, and their respective mining museums. Although both mines are no longer in operation, important geologic features can still be observed. At the Sterling Hill mine, we will have the opportunity to see zinc ore in place, both in an underground drift and in the...
Authors
Robert W. Metsger, Richard A. Volkert, Craig A. Johnson
Geochemical constraints on the origin of the Sterling Hill and Franklin zinc deposits, and the furnace magnetite bed, northwestern New Jersey Geochemical constraints on the origin of the Sterling Hill and Franklin zinc deposits, and the furnace magnetite bed, northwestern New Jersey
The purpose of this chapter is to review two aspects of the geochemistry of the Sterling Hill and Franklin zinc-ironmanganese deposits and the Furnace magnetite bed that underlies the Franklin deposit. These are (1) oxidation and sulfidation states determined from heterogeneous phase equilibria, and (2) stable isotopic compositions determined from analyses of carbonate, silicate, oxide...
Authors
Craig A. Johnson