Results 111 to 120 of about 20,360 (229)
Flood basalts and extinction events
The largest known effusive eruptions during the Cenozoic and Mesozoic Eras, the voluminous flood basalts, have long been suspected as being associated with major extinctions of biotic species. Despite the possible errors attached to the dates in both time series of events, the significance level of the suspected correlation is found here, by an ...
openaire +1 more source
The making of pure quartzose sand in continental interiors: Paraná River (Brazil and Argentina)
ABSTRACT As part of a comprehensive project on sedimentary processes in South America, this study focuses on sediment generation in the intracratonic Paraná Basin and monitors the evolution of sand composition along the Paraná River from central Brazil to the Río de la Plata estuary in Argentina.
Eduardo Garzanti +5 more
wiley +1 more source
Rapid eruption of the Columbia River flood basalt and correlation with the mid-Miocene climate optimum. [PDF]
Kasbohm J, Schoene B.
europepmc +1 more source
Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt. [PDF]
Wang L, Tian W, Shi Y.
europepmc +1 more source
Geologic structure of shallow maria [PDF]
Isopach maps and structural contour maps of the eastern mare basins (30 deg N to 30 deg S; 0 deg to 100 deg E), constructed from measurements of partially buried craters, are presented and discussed.
Dehon, R. A., Waskom, J. A.
core +1 more source
Volcanic forcing from two sides : Drainage and plant ecosystem development in the Columbia River Flood Basalt Province, Washington State [PDF]
Peer reviewedPublisher ...
Ebinghaus, Alena +2 more
core
Paleohydraulics and hydrodynamics of Scabland floods [PDF]
The last major episode of scabland flooding (approx. 18,000-13,000 years B.P.) left considerable high-water mark evidence in the form of: (1) eroded channel margins; (2) depositional features; (3) ice-rafter erratics; and (4) divide crossings. These were
Baker, V. R.
core +1 more source
Age discrimination among basalt flows using digitally enhanced LANDSAT imagery [PDF]
Digitally enhanced LANDSAT MSS data were used to discriminate among basalt flows of historical to Tertiary age, at a test site in Northwestern Saudi Arabia.
Blodget, H. W., Brown, G. F.
core +1 more source
We present a new and easy‐to‐use geochemical tectono‐magmatic setting discriminator to calculate the probability of membership (the Sparse Geochemical Tectono‐magmatic setting Probabilistic membershiP discriminatoR, SGTPPR) that runs in Excel. It outputs
Kenta Ueki +2 more
doaj +1 more source
The geomorphology and hydrodynamics of high velocity flood erosion in the channeled scabland of the Columbia Basin are ...
Baker, V. R., Nummedal, D.
core +1 more source

