Search Results - "Mahaney, W.C"

Weathering rinds: Unlikely host clasts for evidence of an impact-induced event by Mahaney, W.C., Keiser, Leslie

“…Interhemispheric evidence of a cosmic impact 12.9ka is known now from North to South America, Europe and Eurasia, all data supporting a cosmic event derived…”
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Microtextural characteristics of quartz grains transported and deposited by tsunamis and storms by Costa, Pedro J.M., Andrade, C., Dawson, A.G., Mahaney, W.C., Freitas, M.C., Paris, R., Taborda, R.

“…The complex transport and depositional processes associated with tsunamis and storms and the peculiarities of local inundation present questions associated…”
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Paleoclimate of Antarctica reconstructed from clast weathering rind analysis by Mahaney, W.C., Schwartz, Stephane

“…Previous analysis of extractable Fe/Al in paleosols near New Mountain, Antarctica, suggests a pre-Middle Miocene, possibly Late Oligocene–Early Miocene age for…”
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Aeolian microtextures in silica spheres induced in a wind tunnel experiment: Comparison with aeolian quartz by Costa, P.J.M., Andrade, C., Mahaney, W.C., Marques da Silva, F., Freire, P., Freitas, M.C., Janardo, C., Oliveira, M.A., Silva, T., Lopes, V.

“…Microtextures in quartz attributed to aeolian transport, principally bulbous edges and abrasion fatigue have seldom been tested in the laboratory under…”
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Evidence for cosmic airburst in the Western Alps archived in Late Glacial paleosols by Mahaney, W.C., Somelar, Peeter, West, Allen, Krinsley, David, Allen, Christopher C.R., Pentlavalli, Prasanna, Young, Jonathan M., Dohm, James M., LeCompte, Malcolm, Kelleher, Brian, Jordan, Sean F., Pulleyblank, Coren, Dirszowsky, Randy, Costa, Pedro

“…Previous evidence for fragments of a cosmic airburst in the Western Alps has been shown to reside in weathering rinds in surface clasts of Late Glacial (LG)…”
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Weathering rinds on clasts: Examples from Earth and Mars as short and long term recorders of paleoenvironment by Mahaney, W.C., Fairén, Alberto G., Dohm, James M., Krinsley, D.H.

“…Weathering rinds on clasts of different lithologic species are an underappreciated inventory of paleoenvironmental information and, as recorders of long term…”
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Mineralogy and chemistry of Late Pliocene–Early Pleistocene paleosols on Mount Kenya: Weathering indices of relative age and paleoenvironmental reconstruction by Mahaney, W.C., Hamilton, T.S., Barendregt, R.W., Hancock, R.G.V., Costa, P.

“…Iron and Al extracts as weathering indices in paleosols have been used in many localities to determine relative age, transformation of total chemical element…”
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Lightning-induced mineral/chemical changes in red pine ( Pinus resinosa) by Mahaney, W.C., Milner, M.W.

“…Red pine ( Pinus resinosa) growing in sandy soil of Glacial Lake Whittlesey age (~ 13–12 ka) in the town of Waterford, Ontario, Canada, north of Lake Erie, was…”
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Comparative microbial analysis and clay mineralogy of soils eaten by chimpanzees ( Pan troglodytes schweinfurthii) in Tanzania by Ketch, L.A, Malloch, D, Mahaney, W.C, Huffman, M.A

“…The abundance of culturable microorganisms in Tanzanian termite mound soils similar to those eaten by chimpanzees ( Pan troglodytes schweinfurthii) was…”
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Clay mineralogical evidence of a bioclimatically-affected soil, Rouge River basin, South-Central Ontario, Canada by Mahaney, W.C.

“…Holocene soils in drainage basins of South-Central Ontario, Canada, are generally Fluvisols (Entisols) in floodplains transitioning to Brunisols (Inceptisols),…”
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Geological and hydrological histories of the Argyre province, Mars by Dohm, J.M., Hare, T.M., Robbins, S.J., Williams, J.-P., Soare, R.J., El-Maarry, M.R., Conway, S.J., Buczkowski, D.L., Kargel, J.S., Banks, M.E., Fairén, A.G., Schulze-Makuch, D., Komatsu, G., Miyamoto, H., Anderson, R.C., Davila, A.F., Mahaney, W.C., Fink, W., Cleaves, H.J., Yan, J., Hynek, B., Maruyama, S.

“…•Geologic investigation of the Argyre province was performed using Viking and post-Viking data.•Evidence points to an ~Mediterranean-size lake forming as a…”
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Reconstruction of Wisconsinan-age ice dynamics and compositions of southern Ontario glacial diamictons, glaciofluvial/lacustrine, and deltaic sediment by Mahaney, W.C., Hancock, R.G.V., Milan, Alison, Pulleyblank, Coren, Costa, Pedro J.M., Milner, M.W.

“…Macrofabric analysis of till sections in south-central Ontario confirms that clast orientation yields information related to changing ice dynamics during the…”
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Evidence from the northwestern Venezuelan Andes for extraterrestrial impact: The black mat enigma by Mahaney, W.C., Kalm, V., Krinsley, D.H., Tricart, P., Schwartz, S., Dohm, J., Kim, K.J., Kapran, B., Milner, M.W., Beukens, R., Boccia, S., Hancock, R.G.V., Hart, K.M., Kelleher, B.

“…A carbon-rich black layer encrusted on a sandy pebbly bed of outwash in the northern Venezuelan Andes, previously considered the result of an alpine grass…”
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Middle-late holocene paleoclimate and weathering history in the norra storfjället mountains, sweden: deglacial record and soil stratigraphy applied to neoglaciation in lower latitudes by Mahaney, William C., Kalm, Volli

“…The retreat record of the tabre lacier into the orra torfjället mountains, after separation from the massive ärnaån lacier at some undetermined time in the…”
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Coprolites from the Cretaceous Bearpaw Formation of Saskatchewan by Mahaney, W.C., Barendregt, R.W., Allen, C.C.R., Milner, M.W., Bray, D.

“…Coprolites from the Beechy Member of the Cretaceous Bearpaw Formation, southern Saskatchewan, presumably deposited by one or more species of mosasaur or large…”
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Geophagy of Holstein hybrid cattle in the northern Andes, Venezuela by Mahaney, W.C. (York University, North York, Canada.), Bezada, M, Hancock, R.G.V, Aufreiter, S, Perez, F.L

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Reassessment of the Microbial Role in Mn-Fe Nodule Genesis in Andean Paleosols by Mahaney, W.C., Krinsley, D.H., Allen, C.C.R., Ditto, J., Langworthy, K., Batchelor, A.D., Lecompte, M., Milner, M.W., Hart, K., O'Reilly, S. S., Kelleher, B.P., Hancock, R.G.V.

“…The presence of Mn-Fe nodules in the epipedons (surface horizons) of paleosols of presumed Upper Neogene age in the northwestern Venezuelan Andes have been…”
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Recent developments in the analysis of the black mat layer and cosmic impact at 12.8 ka by Mahaney, William C., Keiser, Leslie, Krinsley, David H., West, Allen, Dirszowsky, Randy, Allen, Chris C.r., Costa, Pedro

“…Recent analyses of sediment samples from "black mat" sites in outh merica and urope support previous interpretations of an impact event that reversed the Late…”
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Grain coatings: Diagenesis of Jurassic sandstones in south-central Utah and implications for targeting fossil microbes on Mars by Mahaney, W.C., Netoff, Dennis I., Dohm, James, Hancock, R.G.V., Krinsley, Dave

“…Clusters of large-scale (decameters to > 100 m dia) fluidization pipes have been identified at several locations in Jurassic Navajo and Entrada sandstones in…”
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A soil chronosequence in Late Glacial and Neoglacial moraines, Humboldt Glacier, northwestern Venezuelan Andes by Mahaney, W.C., Kalm, V., Kapran, B., Milner, M.W., Hancock, R.G.V.

“…Late Glacial and Neoglacial (Little Ice Age) deposits on the Humboldt Massif were analyzed for relative-age dating parameters, including geomorphic and…”
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