• Using chromate to investigate the impact of mineral-organic contact time on the surface reactivity of goethite 

  Hales-Messenger, Stacey N.; Swindle, Andrew L. (Royal Society of Chemistry, 2018-10-01)

  Chromate was used as a chemical probe to investigate the impact of mineral-organic contact time on the surface reactivity of two different sizes of goethite particles. A series of goethite-chromate sorption batch reactions ...

• Prolonged metamorphism during long-lived terrane accretion: Sm-Nd garnet and U-Pb zircon geochronology and pressure-temperature paths from the Salmon River suture zone, west-central Idaho, USA 

  McKay, Matthew P.; Bollen, Elizabeth M.; Gray, Keith D.; Stowell, Harold H.; Schwartz, Joshua J. (Geological Society of America, 2017-10-01)

  The Salmon River suture zone of western Idaho (USA) records mid-crustal metamorphism and deformation associated with orogenesis during Mesozoic accretion of volcanic arc terranes to western Laurentia. We present petrographic ...

• A reconstruction of the Eurekan Orogeny incorporating deformation constraints 

  Gion, Austin M.; Williams, Simon E.; Mueller, R. Dietmar (American Geophysical Union, 2017-02)

  The Eurekan Orogeny records Paleogene convergence between Greenland and the Canadian Arctic. The complexity of the region, well represented by the disputed magnitude of Cenozoic sinistral displacement of Greenland relative ...

• Considering the formation of hematite spherules on a Mars by freezing queous hematite nanoparticle suspensions 

  Sexton, M. R.; Madden, M. E. Elwood; Swindle, Andrew L.; Hamilton, V. E.; Bickmore, B. R.; Madden, Andrew S. Elwood (Elsevier B.V., 2017-04)

  The enigmatic and unexpected occurrence of coarse crystalline (gray) hematite spherules at Terra Meddiani on Mars in association with deposits of jarosite-rich sediments fueled a variety of hypotheses to explain their ...

• Editorial: Westward growth of Laurentia by pre-late Jurassic terrane accretion, Eastern Oregon and Western Idaho, United States: a discussion 

  Gray, Keith D. (University of Chicago Press, 2016-01)

  Advances in the Blue Mountains province (BMP) and adjacent areas of the Pacific Northwest have required an occasional updating of terms used to express new concepts (“trans-Idaho discontinuity” [Yates 1968], “Sr-isotopic ...

• Controls on suspended sediment concentrations and turbidity within a reforested, Southern Appalachian headwater basin 

  Miller, Jerry R.; Sinclair, Jacob T.; Walsh, Danvey (MDPI AG, 2015-06-19)

  Water quality data collected between 2007 and 2014 within the Allen Creek Watershed were used to: (1) determine the factors controlling the temporal variations in turbidity and suspended sediment concentration (SSC) within ...

• Using chromate to investigate the impact of natural organics on the surface reactivity of nanoparticulate magnetite 

  Swindle, Andrew L.; Cozzarelli, Isabelle M.; Madden, Andrew S. Elwood (American Chemical Society, 2015-02-17)

  Chromate was used as a chemical probe to investigate the size-dependent influence of organics on nanoparticle surface reactivity. Magnetitechromate sorption experiments were conducted with similar to 90 and similar to 6 ...

• Introduction: Hells Canyon to the Bitterroot front: A transect from the accretionary margin eastward across the Idaho batholith 

  Lewis, Reed S.; Schmidt, Keegan L.; Gaschnig, Richard M.; LaMaskin, Todd A.; Lund, Karen; Gray, Keith D.; Tikoff, Basil; Stetson-Lee, Tor; Moore, Nicholas (Geological Society of America, 2014)

  This field guide covers geology across north-central Idaho from the Snake River in the west across the Bitterroot Mountains to the east to near Missoula, Montana. The regional geology includes a much-modified Mesozoic ...

• Size-dependent reactivity of magnetite nanoparticles: a field-laboratory comparison 

  Swindle, Andrew L.; Madden, Andrew S. Elwood; Cozzarelli, Isabelle M.; Benamara, Mourad (American Chemical Society, 2014-10-07)

  Logistic challenges make direct comparisons between laboratory- and field-based investigations into the size-dependent reactivity of nanomaterials difficult. This investigation sought to compare the size-dependent reactivity ...

• Introduction: AAPG Hedberg Research Conference on Microbial Carbonate Reservoir Characterization-Conference summary and selected papers 

  Mancini, Ernest A.; Morgan, William A; Harris, Paul M. (Mitch); Parcell, William C. (American Association of Petroleum Geologists, 2013-11)

  With the recent discovery of hydrocarbons in microbial carbonate reservoir facies along the South Atlantic margins, industry is keen to further the understanding of the origin and development of nonmarine (lacustrine) to ...

• Sedimentary features, occurrence, and cyclicity of microbialite facies in the Roubidoux and Jefferson City Formations of Missouri and Kansas 

  Warusavitharana, Chamandika J.; Parcell, William C. (American Association of Petroleum Geologists, 2013-11)

  Outcrop studies of sedimentary and stratigraphic features of microbial buildups are important in developing conceptual models for exploration of potential microbialite reservoirs. This study examines the occurrence and ...

• Length of the year during the Silurian and Devonian Periods: new values 

  Mazzullo, S. J. (Geological Society of America, 1971)

  Daily growth increments and monthly markings on Silurian and Devonian corals and brachiopods were counted using a maximum count method. Early and Middle Silurian fossils indicate that the number of days per year during ...

• Geo-scenes: superficial karst features (landforms) along uncomformities on carbonate rocks 

  Mazzullo, S. J. (Kansas Geological Society, 2007-05)

• Geo-scenes: the great unconformity and sinkhole in sandstones 

  Mazzullo, S. J. (Kansas Geological Society, 2007-03)

• Geo-scenes: burrow porosity in limestones 

  Mazzullo, S. J. (Kansas Geological Society, 2007-01)

• Oxygen-carbon isotope stratigraphy of upper carboniferous to lower Permian marine deposits in Midcontinent U.S.A. (Kansas and ne Oklahoma): Implications for sea water chemistry and depositional cyclicity 

  Mazzullo, S. J.; Boardman, Darwin R.; Grossman, Ethan L.; Dimmick-Wells, Kimberly (Springer, 2007-03)

  Late Pennsylvanian (upper Gzhelian = Virgilian) to early Permian (lower Artinskian = upper Wolfcampian) sea water chemistry and depositional cyclicity are evaluated based on oxygen and carbon isotopic compositions of ...

• Geo-scenes: modern river sands and ancient soils and transgressive marine surfaces 

  Mazzullo, S. J. (Kansas Geological Society, 2006-11)

• Late Pliocene to Holocene platform evolution in northern Belize, and comparison with coeval deposits in southern Belize and the Bahamas 

  Mazzullo, S. J. (International Association of Sedimentologists, 2006-10)

  Lithostratigraphy, depositional facies architecture, and diagenesis of upper Pliocene to Holocene carbonates in northern Belize are evaluated based on a ca 290 m, continuous section of samples from a well drilled on ...

• Geo-scenes: Heebner transgression and prominent unconformity 

  Mazzullo, S. J. (Kansas Geological Society, 2007-10)

• Sediments, facies tracts, and variations in sedimentation rates of holocene platform carbonate sediments and associated deposits, Northern Belize-Implications for "Representative" sedimentation rates 

  Yang, Wan; Mazzullo, S. J.; Teal, Chellie S. (Society for Sedimentary Geology, 2004-07)

  In stratigraphic analysis and simulation, sedimentation rates are typically assumed to be constant for meter-scale sedimentation units of similar lithology. The rates of Holocene, shallow-marine carbonate and associated ...

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