Results 111 to 120 of about 8,887 (226)
Geochemistry, Geophysics, Geosystems, Volume 27, Issue 3, March 2026.Abstract The southwestern United States hosts well‐documented and dramatic variations in topography, seismicity, heat flow, magmatism, and seismic velocity structure. This region offers opportunities to investigate how processes such as temperature and partial melt are related to the Lithosphere‐Asthenosphere Boundary (LAB), and how they ultimately ...
E. M. Golos, K. M. Fischer, Z. Eilon
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Nature of the Crust in the Superdeep Bengal Basin Using Teleseismic P Waves
Journal of Geophysical Research: Solid Earth, Volume 131, Issue 3, March 2026.Abstract The Bengal Basin is a sedimentary basin in the northeast region of the Indian subcontinent. It lies between the Indian Shield and the Indo‐Burma Ranges, where the India plate is obliquely subducting under the Burma microplate. Multiple interpretations of the nature of the crust here have been proposed.
B. Sadler +6 more
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Landscape inheritance: Report of Working Group Number 2 [PDF]
The conventional wisdom is, or until recently has been, that the earth's scenery is essentially youthful, much of it being of pleistocene age. The validity of this assertion was questioned, surfaces and forms of much greater antiquity being cited from ...
Twidale, C. R.
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Tectonics, Volume 45, Issue 3, March 2026.Abstract In the Afghan Hindu Kush, the 223–209 Ma (≤800°C) Salang batholith is part of the Silk‐Road magmatic arc that was built on ∼40‐km‐thick Turan‐Karakum block continental crust. The batholith constitutes the hanging wall of the Herat‐Panjshir‐Badakhshan—the Paleo‐Tethys—suture zone, vestige of the subducted Paleozoic‐early Mesozoic Paleo‐Tethys ...
Lothar Ratschbacher +8 more
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Geochimica Brasiliensis, 2016 Geochronological and isotope geochemistry analysis on the marbles and pelitic gneisses outcropping in the Várzea do Capivarita Metamorphic Suite in the Dom Feliciano Belt (DFB), southern Brazil, confirms its origin during the agglutination of Congo ...
Leonardo Gruber +4 more
doaj +1 more source
Strontium and neodymium isotopic variations in early Archean gneisses affected by middle to late Archean high-grade metamorphic processes: West Greenland and Labrador [PDF]
Relicts of continental crust formed more than 3400 Ma ago are preserved fortuitously in most cratons. The cratons provide the most direct information about crust and mantle evolutionary processes during the first billion years of Earth history.
Bridgwater, D. +4 more
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Geophysical Prospecting, Volume 74, Issue 3, March 2026.ABSTRACT Lithological classification from borehole data remains challenging in geologically complex alkaline–carbonatite systems, where compositional overlap and gradual transitions between lithotypes limit conventional interpretation methods. This study presents an integrated and automated workflow for drill‐core lithological classification using self‐
Fabrizzio R. Costa +6 more
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Brazilian Journal of Geology: This report reviews and incorporates new elemental and isotope chemostratigraphic data for correlation of Neoproterozoic carbonate-dominated successions in South America (Argentina, Bolivia, Brazil, Paraguay and Uruguay).
Alcides Nobrega Sial +13 more
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Archean foreland basin tectonics in the Witwatersrand, South Africa [PDF]
The Witwatersrand Basin of South Africa is the best-known of Archean sedimentary basins and contains some of the largest gold reserves in the world. Sediments in the basin include a lower flysch-type sequence and an upper molassic facies, both of which ...
Burke, K., Kidd, W. S. F., Kusky, T. M.
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, 2012 [1] The Cameroon Volcanic Line (CVL) in West Africa is a chain of Cenozoic volcanism with no clear age progression. The reasons for its existence are unclear, and the nature of its magmatic plumbing system is poorly understood.
Bastow, I.D., Gallacher, R.J.
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