Results 51 to 60 of about 84,535 (249)

Spatio-temporal evolution of intraplate strike-slip faulting: the Neogene-Quaternary Kuh-e-Faghan Fault, Central Iran [PDF]

open access: yes, 2016
Central Iran provides an ideal region to study the long-term morphotectonic response to the nucleation and propagation of intraplate faulting. In this study, a multidisciplinary approach that integrates structural and stratigraphic field investigations ...
Berberian   +24 more
core   +2 more sources

Seismological structure of the 1.8 Ga Trans-Hudson Orogen of North America [PDF]

open access: yes, 2016
Precambrian tectonic processes are debated: what was the nature and scale of orogenic events on the younger, hotter, and more ductile Earth? Northern Hudson Bay records the Paleoproterozoic collision between the Western Churchill and Superior plates—the ∼
Abbott   +62 more
core   +1 more source

A vector sum analysis method for stability evolution of expansive soil slope considering shear zone damage softening

open access: yesJournal of Rock Mechanics and Geotechnical Engineering
Slope stability analysis is a classical mechanical problem in geotechnical engineering and engineering geology. It is of great significance to study the stability evolution of expansive soil slopes for engineering construction in expansive soil areas ...
Junbiao Yan   +3 more
doaj   +1 more source

Geology of the Northern Llano Uplift, Junction to Llano, Texas [PDF]

open access: yes, 2016
This year\u27s Texas Academy of Science Geology Field Trip will visit nine interesting locations in two different areas in the Texas Hill Country (Figure 1). In the first area we will look at the Cretaceous stratigraphy around Junction, Texas (Figures 1,
Barker, Chris, Nielson, R. LaRell
core   +1 more source

Subparallel thrust and normal faulting in Albania and the roles of gravitational potential energy and rheology contrasts in mountain belts [PDF]

open access: yes, 2009
The active tectonics of Albania and surrounding regions, on the eastern margin of the Adriatic Sea, is characterized by subparallel thrust and normal faulting which, we suggest, is likely to be related to gravitational potential energy contrasts between ...
Boait, Fran   +4 more
core   +1 more source

The Contribution of Near-Surface Geophysics for the Site Characterization of Seismological Stations

open access: yesApplied Sciences, 2023
The Athenet network is the network of the Seismological Laboratory of the National and Kapodistrian University of Athens. We present the geophysical investigation that has been carried out at six seismological stations of the Athenet network for their ...
John D. Alexopoulos   +6 more
doaj   +1 more source

New Theory of the Earth [PDF]

open access: yes, 2007
New Theory of the Earth is an interdisciplinary advanced textbook on all aspects of the interior of the Earth and its origin, composition, and evolution: geophysics, geochemistry, dynamics, convection, mineralogy, volcanism, energetics and thermal ...
Anderson, Don L.
core   +2 more sources

Characterization of a complex near-surface structure using well logging and passive seismic measurements [PDF]

open access: yesSolid Earth, 2016
We combine geophysical well logging and passive seismic measurements to characterize the near-surface geology of an area located in Hontomin, Burgos (Spain). This area has some near-surface challenges for a geophysical study.
B. Benjumea   +3 more
doaj   +1 more source

Shear-Wave Splitting and Mantle Flow Beneath the Colorado Plateau and its Boundary with the Great Basin [PDF]

open access: yes, 2008
Shear-wave splitting measurements from SKS and SKKS phases show fast polarization azimuths that are subparallel to North American absolute plate motion within the central Rio Grande Rift (RGR) and Colorado Plateau (CP) through to the western rim of the ...
Aster, Richard   +7 more
core   +1 more source

Microseismic monitoring and analysis of induced seismicity source mechanisms in a retreating room and pillar coal mine in the Eastern United States

open access: yesUnderground Space, 2017
A microseismic monitoring system was installed in an underground room and pillar coal mine in the Eastern United States to analyze the occurrence and characteristics of induced seismicity during the retreat of two panels in the mine.
Morgen R. Leake   +4 more
doaj   +1 more source

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